Service Reference Guide HP Compaq Business Desktop dc5100 Series 1ST Edition Document Part Number: 376220-001 1st Edition, January 2005 This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, SATA and PATA drives, safety, routine care, connector pin assignments, POST error messages, and diagnostic indicator lights.
© 2004 Hewlett-Packard Development Company, L.P. HP, Hewlett Packard, and the Hewlett-Packard logo are trademarks of Hewlett-Packard Company in the U.S. and other countries. Compaq and the Compaq logo are trademarks of Hewlett-Packard Development Company, L.P. in the U.S. and other countries. Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S. and other countries. Intel, Pentium, Intel Inside, and Celeron are trademarks of Intel Corporation in the U.S.
Contents + Contents 1 Installing the Operating System 1.1 Installing or Upgrading Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Transferring Files and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Backing Up and Restoring Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3.1 Creating a Backup File—Windows XP Professional. . .
Contents 3.4 Asset Tracking and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4.1 Password Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4.2 Establishing a Setup Password Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4.3 Establishing a Power-On Password Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . 3.4.4 DriveLock. . . .
Contents 5.4.2 Cleaning the Computer Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4.3 Cleaning the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4.4 Cleaning the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4.5 Cleaning the Mouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents 7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1 Preparation for Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1 7.2 Unlocking the Smart Cover Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–2 7.3 External Security Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–4 7.3.
1 Installing the Operating System Ä CAUTION: Do not add optional hardware or third-party devices to your computer until the operating system is successfully installed. Doing so may cause errors and may prevent the operating system from installing properly. Ä CAUTION: Once the automatic installation has begun, DO NOT TURN OFF THE COMPUTER UNTIL THE PROCESS IS COMPLETE.
Installing the Operating System 1.2 Transferring Files and Settings Use the Microsoft Windows XP Files and Settings Transfer Wizard to move files and settings from an old computer to a new one. Click Start > All Programs > Accessories > System Tools > Files and Settings Transfer Wizard. 1.3 Backing Up and Restoring Files 1.3.1 Creating a Backup File—Windows XP Professional 1. Click Start > All Programs > Accessories > System Tools > Backup. 2.
Installing the Operating System ■ Software Support Management tools Certain drivers and utilities are available only in selected languages. You can obtain the latest version of these files, in English and selected other languages, in one of three ways: ■ Support Software CD ■ HP Web site at www.hp.com ■ Restore Plus! CD, which is supplied with many HP models ✎ Additional HP software may be required in certain situations.
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2 Setup Utilities and Diagnostics Features Setup Utilities (F10) and diagnostic features provide information needed about the computer system when contacting Customer Support. These tools can also be used to: ■ Change factory default settings and to set or change the system configuration, which may be necessary when you add or remove hardware. ■ Determine if all of the devices installed on the computer are recognized by the system and functioning properly.
Setup Utilities and Diagnostics Features 2.2 Computer Setup Utilities Use Computer Setup Utilities (F10) to: 2–2 ■ Change factory default settings. ■ Set the system date and time. ■ Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices. ■ Modify the boot order of bootable devices such as hard drives, diskette drives, optical drives, or USB flash media devices.
Setup Utilities and Diagnostics Features 2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning on the computer or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start >Shut Down >Restart. 2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. Press Enter to bypass the title screen, if necessary.
Setup Utilities and Diagnostics Features 2.2.2 Computer Setup Menu . Heading File Option System Information Description Lists: • Product name • Processor type/speed/stepping • Cache size (L1/L2) • Installed memory size/speed, number of channels (single or dual) (if applicable) • Integrated MAC address for embedded, enabled NIC (if applicable) • System ROM (includes family name and version) • Chassis serial number • Asset tracking number About Displays copyright information.
Setup Utilities and Diagnostics Features Heading Storage Option Device Configuration Description Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented. Diskette Type Identifies the highest capacity media type accepted by the diskette drive. Legacy Diskette Drives Options are 3.5" 1.44 MB, and 5.25" 1.2 MB.
Setup Utilities and Diagnostics Features Heading Storage (continued) Option Device Configuration (continued) Description Translation Parameters (ATA disks only) This feature appears only when User translation mode is selected. ✎ Allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by the BIOS to translate disk I/O requests (from the operating system or an application) into terms the hard drive can accept. Logical cylinders may not exceed 1024.
Setup Utilities and Diagnostics Features Heading Storage (continued) Option Description Storage Options (continued) Secondary SATA Controller DPS Self-Test Allows you to execute self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests. Allows you to enable or disable the Secondary SATA controller. This feature is supported on some models.
Setup Utilities and Diagnostics Features Heading Security Option Smart Cover (continued) Description Allows you to: • Lock/unlock the Cover Lock. • Set the Cover Removal Sensor to Disable/Notify User/Setup Password. ✎ Notify User alerts the user that the sensor has detected that the cover has been removed. Setup Password requires that the setup password be entered to boot the computer if the sensor detects that the cover has been removed. This feature is supported on select models only.
Setup Utilities and Diagnostics Features Heading Security Option Description DriveLock Security Allows you to assign or modify a master or user password for MultiBay hard drives. When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence.
Setup Utilities and Diagnostics Features Heading Power Option OS Power Management Description • Runtime Power Management - Enable/Disable. Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor. • Idle Power Savings - Extended/Normal. Allows certain operating systems to decrease the processors power consumption when the processor is idle. • ACPI S3 Support - Enables or disables ACPI S3 support.
Setup Utilities and Diagnostics Features Heading Advanced* Option Power-On Options *For advanced users only Description Allows you to set: • POST mode (QuickBoot, FullBoot, or FullBoot every 1-30 days). • POST messages (enable/disable). • F9 prompt (enable/disable). Enabling this feature will display the text F9=Boot Menu during POST. Disabling this feature prevents the text from being displayed but pressing F9 will still access the Shortcut Boot (Order) Menu screen.
Setup Utilities and Diagnostics Features Heading Advanced* (continued) Option Power-On Options (continued) *For advanced users only Description Allows you to set: (continued) • ACPI/USB Buffers @ Top of Memory (enable/disable). Enabling this feature places USB memory buffers at the top of memory. The advantage is that some amount of memory below 1 MB is freed up for use by option ROMs. The disadvantage is that a popular memory manager, HIMEM.
Setup Utilities and Diagnostics Features Heading Advanced* (continued) Option Device options Description Allows you to set: • Printer mode (bi-directional, EPP & ECP, output only). *For advanced users only • Num Lock state at power-on (off/on). • S5 Wake on LAN (enable/disable). • To disable Wake on LAN during the off state (S5), use the arrow (left and right) keys to select the Advanced > Device Options menu and set the S5 Wake on Lan feature to “Disable.
Setup Utilities and Diagnostics Features 2.3 Diagnostics for Windows The Diagnostics for Windows (DFW) utility is a component of HP Client Management Solutions that allows you to view information about the hardware and software configuration of the computer while running Microsoft Windows (Microsoft Windows 2000 and Microsoft Windows XP). It also allows you to perform hardware and software tests on the subsystems of the computer.
Setup Utilities and Diagnostics Features 2.3.1 Detecting Diagnostics for Windows Some computers ship with the Diagnostics for Windows preloaded, but not preinstalled. To determine whether Diagnostics for Windows is installed: 1. Access the location of the Diagnostics icons: ❏ In Windows 2000 Professional, select Start > Settings > Control Panel. ❏ In Windows XP Home or Windows XP Professional, select Start > Control Panel > Performance and Maintenance. 2.
Setup Utilities and Diagnostics Features 2.3.3 Using Categories in Diagnostics for Windows To use categories: 1. Click Start > HP Information Center > Diagnostics for Windows. You can also select the Diagnostics for Windows icon, located in the Control Panel. The screen displays the overview of the computer hardware and software. ❏ In Windows 2000 Professional, select Start > Settings > Control Panel, then select Diagnostics for Windows.
Setup Utilities and Diagnostics Features ❏ Resources—IRQ, I/O, and Memory Map ❏ Health—Status of system temperature and hard drives ❏ Miscellaneous—CMOS, DMI, BIOS, System, Product Name, and Serial Number ■ Navigation—Previous Category (F5), Next Category (F6) ■ Level—Less (F7), More (F8) ■ Tab ■ ❏ Overview—Displays general information about the computer. This window is displayed when first starting the utility.
Setup Utilities and Diagnostics Features 4. Select Interactive Mode or Unattended Mode. In Interactive Mode, the diagnostic software will prompt you for input during tests that require it. Some tests require interaction and will display errors or halt testing if selected in conjunction with Unattended Mode. ❏ Interactive Mode provides maximum control over the testing process. You determine whether the test passed or failed and may be prompted to insert or remove devices.
Setup Utilities and Diagnostics Features 2.4.1 Installing Configuration Record The Configuration Record is part of Diagnostics for Windows and is automatically installed at the same time as Diagnostics for Windows. 2.4.2 Running Configuration Record To run this program: 1. Click Start > HP Information Center > Configuration Record. Alternately, you can access Diagnostics for Windows via the control panel. Configuration Record utility has two view options: Show Changed Items Only and Show ✎ The All.
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3 Desktop Management HP Client Management Solutions provides standards-based solutions for managing and controlling desktops, workstations, and notebook PCs in a networked environment.
Desktop Management 3.2 Remote System Installation Remote System Installation allows you to start and set up your system using the software and configuration information located on a network server by initiating the Preboot Execution Environment (PXE). The Remote System Installation feature is usually used as a system setup and configuration tool, and can be used for the following tasks: ■ Formatting a hard drive. ■ Deploying a software image on one or more new PCs.
Desktop Management 3.3.2 Altiris Client Management Solutions HP and Altiris have partnered to provide comprehensive, tightly integrated systems management solutions to reduce the cost of owning HP client PCs.
Desktop Management 3.3.4 Proactive Change Notification (PCN) The Proactive Change Notification program uses the Subscriber's Choice Web site in order to proactively and automatically: ■ Send you Proactive Change Notification (PCN) e-mails informing you of hardware and software changes to most commercial computers and servers, up to 60 days in advance.
Desktop Management 3.3.8 HPQFlash The HPQFlash utility is used to locally update or restore the system ROM on individual PCs through a Windows operating system. For more information on HPQFlash, visit http://www.hp.com/support/files and enter the name of the computer when prompted. 3.3.9 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the unlikely event of a ROM flash failure, for example, if a power failure were to occur during a ROM upgrade.
Desktop Management The following table lists the various keyboard light combinations used by the Boot Block ROM (when a PS/2 keyboard is attached to the computer), and explains the meaning and action associated with each combination. Keyboard Light Combinations Used by Boot Block ROM Failsafe Boot Block Mode Keyboard LED Color Keyboard LED Activity State/Message Num Lock Green On ROMPaq diskette or ROMPaq CD not present, is bad, or drive not ready. Caps Lock Green On Enter password.
Desktop Management 6. Select File > Replicated Setup > Save to Removable Media. Follow the instructions on the screen to create the configuration diskette or USB flash media device. 7. Turn off the computer to be configured and insert the configuration diskette or USB flash media device. 8. Turn on the computer to be configured. 9. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. Press Enter to bypass the title screen, if necessary. 10.
Desktop Management 8. Download a BIOS utility for replicating setup (repset.exe) and copy it onto the configuration diskette or USB flash media device. To obtain this utility, go to http://welcome.hp.com/support/files and enter the model number of the computer. 9. On the configuration diskette or USB flash media device, create an autoexec.bat file containing the following command: repset.exe 10. Turn off the computer to be configured.
Desktop Management ■ ❏ 256MB HP Drive Key ❏ 256MB DiskOnKey A bootable DOS diskette with the FDISK and SYS programs. If SYS is not available, FORMAT may be used, but all existing files on the USB flash media device will be lost. 1. Turn off the computer. 2. Insert the USB flash media device into one of the computer's USB ports and remove all other USB storage devices except USB diskette drives. 3. Insert a bootable DOS diskette with FDISK.COM and either SYS.COM or FORMAT.
Desktop Management default boot order varies from computer to computer, and it can be changed in the Computer ✎ The Setup (F10) Utility. If you have used a DOS version from Windows 9x, you may see a brief Windows logo screen. If you do not want this screen, add a zero-length file named LOGO.SYS to the root directory of the USB flash media device. Return to “Copying to Multiple Computers” on page 7.
Desktop Management 5. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. Press Enter to bypass the title screen, if necessary. press the F10 key at the appropriate time, you must restart the computer and press ✎ IfandyouholddothenotF10 key again to access the utility. If you are using a PS/2 keyboard, you may see a Keyboard Error message—disregard it. 6. Go to Advanced > PCI Devices to disable both the PATA and SATA controllers.
Desktop Management 3.3.11 Dual-State Power Button With Advanced Configuration and Power Interface (ACPI) enabled, the power button can function either as an on/off switch or as a suspend button. The suspend feature does not completely turn off power, but instead causes the computer to enter a low-power standby. This allows you to power down quickly without closing applications and to return quickly to the same operational state without any data loss.
Desktop Management 3.4 Asset Tracking and Security Asset tracking features incorporated into the computer provide key asset tracking data that can be managed using HP Insight Manager, HP Client Manager or other system management applications. Seamless, automatic integration between asset tracking features and these products enables you to choose the management tool that is best suited to your environment and to leverage your investment in existing tools.
Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature Description Pre-Boot Authorization Allows you to enable/disable the Smart Card to be used in place of the Power-On Password. Smart Cover Allows you to: • Enable/disable the Cover Lock. • Enable/disable the Cover Removal Sensor. ✎ Notify User alerts the user that the sensor has detected that the cover has been removed.
Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature DriveLock Description Allows you to assign or modify a master or user password for MultiBay hard drives (not supported on SCSI hard drives). When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence.
Desktop Management Computer Setup Utilities (F10) Security Features (Continued) Feature Save Master Boot Record Description Saves a backup copy of the Master Boot Record of the current bootable disk. Only appears if MBR Security is enabled. Restore Master Boot Record Restores the backup Master Boot Record to the current bootable disk. ✎ Only appears if all of the following conditions are true: • MBR Security is enabled. • A backup copy of the MBR has been previously saved.
Desktop Management 3.4.1 Password Security The power-on password prevents unauthorized use of the computer by requiring entry of a password to access applications or data each time the computer is turned on or restarted. The setup password specifically prevents unauthorized access to Computer Setup, and can also be used as an override to the power-on password. That is, when prompted for the power-on password, entering the setup password instead will allow access to the computer.
Desktop Management Entering a Power-On Password To enter a power-on password, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2. When the key icon appears on the monitor, type your current password, then press Enter. ✎ Type carefully; for security reasons, the characters you type do not appear on the screen. If you enter the password incorrectly, a broken key icon appears. Try again.
Desktop Management 3. When the key icon appears, type the current password, a slash (/) or alternate delimiter character, the new password, another slash (/) or alternate delimiter character, and the new password again as shown: current password/new password/new password ✎ Type carefully; for security reasons, the characters you type do not appear on the screen. 4. Press Enter. 5. The new password takes effect the next time you turn on the computer.
Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. National Keyboard Delimiter Characters Arabic / Greek - Russian / Belgian = Hebrew .
Desktop Management Using DriveLock The DriveLock option appears under the Security menu in Computer Setup. The user is presented with options to set the master password or to enable DriveLock. A user password must be provided in order to enable DriveLock. Since the initial configuration of DriveLock is typically performed by a system administrator, a master password should be set first. HP encourages system administrators to set a master password whether they plan to enable DriveLock or keep it disabled.
Desktop Management 3.4.5 Smart Cover Sensor Cover Removal Sensor, available on select models, is a combination of hardware and software technology that can alert you when the computer cover or side panel has been removed. There are three levels of protection, as described in the following table. Smart Cover Sensor Protection Levels Level Setting Description Level 0 Disabled Smart Cover Sensor is disabled (default).
Desktop Management Locking the Smart Cover Lock To activate and lock the Smart Cover Lock, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2. As soon as the computer is turned on, press and hold the F10 key until you enter Computer Setup. Press Enter to bypass the title screen, if necessary. press the F10 key at the appropriate time, you must restart the computer and press ✎ IfandyouholddothenotF10 key again to access the utility.
Desktop Management 3.4.6 Master Boot Record Security The Master Boot Record (MBR) contains information needed to successfully boot from a disk and to access the data stored on the disk. Master Boot Record Security may prevent unintentional or malicious changes to the MBR, such as those caused by some computer viruses or by the incorrect use of certain disk utilities. It also allows you to recover the “last known good” MBR, should changes to the MBR be detected when the system is restarted.
Desktop Management You must know the setup password, if one exists. In the unlikely event that the previously saved MBR has been corrupted, the following message is displayed: 1998—Master Boot Record has been lost. Press any key to enter Setup to configure MBR Security. Upon entering Computer Setup, you must ■ Save the MBR of the current bootable disk; or ■ Disable the MBR Security feature. You must know the setup password, if one exists. 3.4.
Desktop Management 3.5 Fault Notification and Recovery Fault Notification and Recovery features combine innovative hardware and software technology to prevent the loss of critical data and minimize unplanned downtime. If the computer is connected to a network managed by HP Client Manager, the computer sends a fault notice to the network management application.
Serial and Parallel ATA Drive Guidelines and Features 4 Serial and Parallel ATA Drive Guidelines and Features ATA = SATA ✎ Serial Parallel ATA = PATA HP does not support the use of PATA (IDE) hard drives when SATA hard drives are installed on the computer. 4.1 SATA and PATA Device Information Characteristic SATA PATA Number of pins/conductors in data cable 7/7 40/80 Number of pins in power cable 15 4 39.37 in (100 cm) 18 in (45.7 cm) 600 mV 5V 3.
Serial and Parallel ATA Drive Guidelines and Features 4.2 ATA Cables 4.2.1 SATA Data Cable The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive. As shown in the table, each cable has 3 grounds, and 4 transmit/receive pins. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.
Serial and Parallel ATA Drive Guidelines and Features 4.2.3 PATA Data Cable Pin Signal Pin Signal Pin Signal 1 2 3 4 5 Reset Ground DD7 DD8 DD6 15 16 17 18 19 DD1 DD14 DD0 DD15 Ground 29 30 31 32 33 DMAK Ground INTRQ IOCS16 DA1 6 7 8 9 10 DD9 DD5 DD10 DD4 DD11 20 21 22 23 24 (Key) DMARQ Ground DIOW Ground 34 35 36 37 38 PDIAG (cable detect) DA0 DA2 CS1FX CS3FX 11 12 13 14 DD3 DD12 DD2 DD13 25 26 27 28 DIOR Ground IORDY CSEL 39 40 DASP Ground 4.2.
Serial and Parallel ATA Drive Guidelines and Features 4.2.5 PATA Cable Layout The faces of industry-standard cable connectors are color-coded for easy recognition: ■ System board connector = blue face ■ Device 0 connector = black face ■ Device 1 connector = gray face color code of an industry-standard cable is applicable only if the drive’s jumper is in the ✎ The cable-select position.
Serial and Parallel ATA Drive Guidelines and Features 4.3 PATA Drive Installation Guidelines Most computer system boards have two or fewer Parallel ATA (PATA) channels with a dedicated connector for each channel. When two channels are present, one is designated as the Primary and the other as the Secondary Channel. Each of the two channels can have up to two devices attached to it. All drives are connected to a channel using an industry-standard 80-conductor cable. industry standard 1.
Serial and Parallel ATA Drive Guidelines and Features 4.3.2 PATA Attach Sequence Rules by Class Priority Drives should be attached in the sequence shown for optimum performance starting at position 1. 4 1 3 2 Primary Channel* 4 1 Secondary Channel 3 2 Device 1 Device 0 *If there are three or more devices, two or more of which are hard drives, two hard drives should be attached to the primary channel first before following the General Attach Sequence Rule.
Serial and Parallel ATA Drive Guidelines and Features 4.3.3 PATA Attach Sequence Worksheet Use the worksheet below for obtaining optimum system performance when setting up a computer with multiple drives. Use the General Attach Sequence Rule to determine the best drive installation sequence.
Serial and Parallel ATA Drive Guidelines and Features Example 1: Three-Device Installation Sample A system has three devices: Ultra ATA-100 hard drive, CD-ROM drive, and a DVD drive. Using the Device Class Table in Section 4.3.
Serial and Parallel ATA Drive Guidelines and Features Example 2: Four-Device Installation Sample A system has four devices: two Ultra ATA-100 hard drives, one DVD-CDR/W drive, and a ZIP-250 drive. Using the Device Class Table in Section 4.3.
Serial and Parallel ATA Drive Guidelines and Features 4.4 ATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count.
Serial and Parallel ATA Drive Guidelines and Features 4.
Serial and Parallel ATA Drive Guidelines and Features 4.7 Mixed Devices Boot and Drive Letter Ordering SATA Emulation* Separate IDE Controller (default). Used with Windows 2000 and XP. Hard Drive Order HDD Boot and Drive Letter Ordering A. Integrated SATA A1. SATA 0 B. Integrated IDE A2. SATA 2 A3. SATA 1 A4. SATA 3 B1. IDE Device 0 B2. IDE Device 1 Separate IDE Controller. Used with Windows 2000 and XP. A. Integrated IDE A1. IDE Device 0 B. Integrated SATA A2. IDE Device 1 B1. SATA 0 B2.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5 Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. Ä 5.1 CAUTION: When the computer is plugged into an AC power source voltage is always applied to the system board.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.2 Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.2.3 Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ■ Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.3 ■ Static awareness labels ■ Wrist straps and footwear straps providing one-megohm +/- 10% resistance ■ Material handling packages ■ Conductive plastic bags ■ Conductive plastic tubes ■ Conductive tote boxes ■ Opaque shielding bags ■ Transparent metallized shielding bags ■ Transparent shielding tubes Operating Guidelines To prevent overheating and to help prolong the life of the computer: 5.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5. Disconnect the keyboard before cleaning it. 6. Wear safety glasses equipped with side shields when cleaning the keyboard. 5.4.2 Cleaning the Computer Case Follow all safety precautions in Section 5.4.1 before cleaning the computer. To clean the computer case, follow the procedures described below: ■ To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.4.4 Cleaning the Monitor ■ Wipe the monitor screen with a clean cloth moistened with water or with a towelette designed for cleaning monitors. Do not use sprays or aerosols directly on the screen; the liquid may seep into the housing and damage a component. Never use solvents or flammable liquids on the monitor. ■ To clean the monitor body follow the procedures in Section 5.4.2. 5.4.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.5.3 Screws The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations. screws have a black finish. ✎ Metric U.S.
Identifying the Chassis, Routine Care, and Disassembly Preparation 5.5.6 Lithium Coin Cell Battery The battery that comes with the computer provides power to the real-time clock and has a lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. Å WARNING: This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly.
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6 Removal and Replacement Procedures— Microtower (MT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. ✎ Not all features listed in this guide are available on all computers. 6.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.2 External Security Devices 6.2.1 Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object. 6.2.2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.3 Access Panel 1. Prepare the computer for disassembly (Chapter 6, “Removal and Replacement Procedures— Microtower (MT) Chassis”). Ä CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 2. Loosen the captive thumbscrew 1 that secures the access panel to the computer chassis. 3. Slide the access panel 2 back about 1 inch (2.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.4 Front Bezel 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.3, “Access Panel”). 3. To remove the front bezel, press in on the two bottom tabs on the left side of the bezel 1 so that they release from the chassis. Then press in on the upper tab on the left side of the bezel 2 so that it releases from the chassis. The bezel will rotate out slightly from left to right.
Removal and Replacement Procedures— Microtower (MT) Chassis To reinstall the front bezel, 1. Position the chassis in the upright position. 2. Insert the two hooks on the right side of the bezel 1 into the rectangular holes on the chassis then rotate the bezel into place 2 so that the three tabs on the left side of the bezel and the single tab on the upper right corner of the bezel snap into the slots on the chassis.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.5 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel (Section 6.3, “Access Panel”). 3. Remove the front bezel (Section 6.4, “Front Bezel”). 6.5.1 5.25" Drive Bezel Blank Press the two retaining tabs on the inside of the large bezel 1 towards the outside of the bezel to release the bezel blank.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.5.2 Diskette Drive Bezel Press the two upper 1 or the two lower 2 tabs for the diskette drive bezel towards the center of the drive bezel and push the bezel out to remove it from the front bezel. To install a bezel or a bezel blank, reverse the removal procedure. 6.5.3 3.5" Drive Bezel Blank Press the two upper 1 or the two lower 2 tabs for the 3.5" drive bezel towards the center of the 3.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.6 Memory Modules Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other. Static electricity can damage the electronic components of the computer or optional cards.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.7 Expansion Cards 6.7.1 Expansion Slot Cover 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. On the rear of the computer, remove the retaining screw 1 then, slide the slot cover lock up 2 to access the expansion slot covers.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.7.2 PCI Expansion Card For preliminary steps, see Section 6.7.1, “Expansion Slot Cover.” If replacing a standard PCI expansion card, go to step 1. If installing any PCI expansion card for the first time in a computer, skip to step 4. 1. IWhen removing an expansion card from a standard expansion socket, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. 2.
Removal and Replacement Procedures— Microtower (MT) Chassis 5. When installing an expansion card, hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis so that the bracket on the card is aligned with the open slot on the rear of the chassis 1. 6. Press the card straight down into the expansion slot on the system board 2. ✎ Press firmly on the card so that the whole connector seats properly in the expansion card slot. 7.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.8 Cable Management Always follow good cable management practices when working inside the computer. ■ Keep cables away from major heat sources like the heatsink. ■ Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them. ■ When folding a flat ribbon cable, never fold to a sharp crease. Sharp creases may damage the wires.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.8.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.9 Drives The computer supports up to six drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive. Ä CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.2 Removing a Drive 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Remove the front bezel (Section 6.4, “Front Bezel”). 4. Disconnect the power and data cables from the back of the drive, as shown in the following illustrations.
Removal and Replacement Procedures— Microtower (MT) Chassis Disconnecting Hard Drive Cables ✎ Some products use straight cable connectors while others use right angle connectors. Releasing the Drives 5. A latch drive bracket with release tabs secures the drives in the drive bay. Lift the release tab on the latch drive bracket 1 for the drive you want to remove, then slide the drive from its drive bay 2. 6. Remove the four guide screws (two on each side) from the old drive.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.9.3 Installing a Drive Ä■ CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a hard drive, shut down the operating system properly, then turn off the computer. Do not remove a hard drive while the computer is on or in standby mode. ■ Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector.
Removal and Replacement Procedures— Microtower (MT) Chassis 3. Reconnect the power and data cables to the drive as shown in the following illustrations. to Section 4.1, “SATA and PATA Device Information”for information on attaching the ✎ Refer cabling to get optimum performance.
Removal and Replacement Procedures— Microtower (MT) Chassis Connecting Hard Drive Cables ✎ Some products use straight cable connectors while others use right angle connectors. 4. Install the front bezel (Section 6.4, “Front Bezel”). 5. Install the access panel (Section 6.3, “Access Panel”). 6. Turn on the computer. you replaced the primary hard drive, the restore CD may be used to restore the operating ✎ Ifsystem, software drivers, and/or any software applications that were preinstalled on the computer.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.10 Chassis Fan 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Disconnect the power cable that connects the chassis fan to the system board 1. 4. Remove the four screws from the rear of the chassis 2 that secure the fan. 5.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.11 Front I/O Panel Housing Assembly 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Disconnect three attaching cables from the system board: the power switch/LED cable, the front USB cable, and the front audio cable. 4.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.12 Front I/O Devices 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Remove the front I/O panel assembly (Section 6.11, “Front I/O Panel Housing Assembly”). 4. Remove the two screws 1 that hold the USB and audio port assembly in place. 5.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.13 Power Switch Assembly 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Remove the front I/O panel assembly (Section 6.11, “Front I/O Panel Housing Assembly”). 4.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.14 Heatsink 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Disconnect the heatsink fan cable from the system board. 4. Disconnect the four-pin power cable from the system board to make it easier to access the heatsink. 5.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.15 Processor 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 6.3, “Access Panel”). 3. Disconnect the heatsink control cable from the system board and remove the heatsink. Section 6.14, “Heatsink” 4. Rotate the locking lever to its full open position 1. 5. Raise and rotate the microprocessor retainer to its fully open position 2. 6.
Removal and Replacement Procedures— Microtower (MT) Chassis 5. Go to step 7. 6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 7. Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board. Ä CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heatsink on the processor.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.16 System Board 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Remove all PCI expansion boards (Section 6.7.2, “PCI Expansion Card”). 4. Disconnect all cables connected to the system board, noting their location for reinstallation. 5.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.17 Battery The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery. lifetime of the lithium battery can be extended by plugging the computer into a live AC wall ✎ The socket.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.17.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4. Replace the computer cover or access panel (Section 6.3, “Access Panel”). 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.17.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery 1. When the battery pops up, lift it out. 2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip 2 with the positive side up. Push the other edge down until the clamp snaps over the other edge of the battery.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.17.3 Type 3 Battery Holder 1. To release the battery from its holder, press back lever 1 that extends above one edge of the battery. 2. When the battery pops up, lift it out 2. 3. To insert the new battery, push it down into the holder with the positive side to the left as shown in the drawing above. 4. Replace the computer access panel (Section 6.3, “Access Panel”). 5. Plug in the computer and turn on power. 6.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.18 Speaker 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3, “Access Panel”). 3. Move/remove any components necessary to gain access to the speaker. 4. Disconnect the speaker wire from the system board connector. 5.
Removal and Replacement Procedures— Microtower (MT) Chassis 6.19 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. 1. Prepare the computer for disassembly (Section 6.1, “Preparation for Disassembly”). 2.
Removal and Replacement Procedures— Microtower (MT) Chassis 5. Pull the power supply towards the front of the chassis while depressing the two sets of retaining clips 1 to allow the power supply to move far enough to lift it from the chassis 2. To install the power supply, reverse the removal procedure.
7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. ✎ Not all features listed in this guide are available on all computers. 7.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.2 Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the Desktop Management Guide on the Documentation Library CD for more information about the Smart Cover Lock. If you cannot access Computer Setup to unlock the cover you will need to remove the locking solenoid by using the Smart Cover FailSafe Key (Spare part number 166527-001 or 166527-002).
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis To reattach the Smart Cover Lock, position the lock with the tamper-proof screw.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.3 External Security Devices 7.3.1 Security Clip A special clip is required to secure the computer from intrusion. This clip must be installed before installing the computer cover. 7.3.2 Cable Lock The cable lock may be used to secure the computer cover to the chassis and, at the same time, secure the computer to a fixed object. Insert the cable lock in the location shown below.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.3.3 Padlock A padlock may be used by itself to secure the computer cover to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object. I 7.3.4 Universal Chassis Clamp Lock Without Security Cable 1. Thread the keyboard and mouse cables through the lock.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 2. Screw the lock to the chassis using the screw provided. 3. Insert the plug into the lock 1 and push the button in 2 to engage the lock. Use the key provided to disengage the lock.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis With Security Cable 1. Fasten the cable by looping it around a stationary object.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 2. Thread the keyboard and mouse cables through the lock. 3. Screw the lock to the chassis using the screw provided.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 4. Insert the plug end of the security cable into the lock 1 and push the button in 2 to engage the lock. Use the key provided to disengage the lock.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.4 Computer Cover 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). Ä CAUTION: Before removing the computer cover, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 1. Press the buttons on the left and right sides of the computer 1. 2.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.5 Front Drive Bezels 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the drive bezel by pushing the top tab on the right side of the larger front bezel as shown 1 and rotating the drive bezel away from the larger front bezel 2. ✎ The drive bezel will vary depending on the computer configuration. 4.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis There are three drive bezel inserts that are available. Item 7–12 Description 1 Diskette drive bezel 2 Hard drive bezel 3 3.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.6 Cable Management The Slim Tower chassis is a very compact computer and proper routing of the internal cables is critical to the operation of the computer. Follow good cable management practices when working inside the computer. ■ Keep cables away from major heat sources like the heatsink. ■ Do not jam cables on top of expansion cards or memory modules.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis When removing the power supply power cables from the P1 or P3 connectors on the system board, always follow these steps: 1. Squeeze on the top of the retaining latch attached to the cable end of the connector 1. 2. Grasp the cable end of the connector and pull it straight up 2. Ä 7–14 CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the cable and result in a failed power supply.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.6.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.7 Memory Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is important to use memory modules with gold metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other. Ä CAUTION: Static electricity can damage the electronic components of the computer or optional cards.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 6. Repeat steps 4 and 5 for any additional modules that you want to install. ✎ The computer automatically recognizes the additional memory when the computer is turned on. To reassemble the computer, reverse the removal procedure. normally lock the Smart Cover Lock, use Computer Setup to relock the lock and enable ✎ IftheyouSmart Cover Sensor.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.8 Expansion Card 7.8.1 Expansion Card Retainer 1. If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock. 2. Turn off the computer properly through the operating system, then turn off any external devices. 3. Disconnect the power cord from the power outlet and disconnect any external devices. 4. Remove the computer from the stand and lay the computer on its side. 5.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.8.2 PCI Expansion Card 1. If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock. 2. Turn off the computer properly through the operating system, then turn off any external devices. 3. Disconnect the power cord from the power outlet and disconnect any external devices. 4. Remove the computer from the stand and lay the computer on its side. 5. Remove the computer cover.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 9. Install the expansion card by sliding the card under the slot cover retention latch then pressing the card down into the slot on the system board. ✎ Be sure not to scrape other components in the chassis when installing an expansion card. 10. Rotate the slot cover retention latch back in place to secure the expansion card.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9 Drives A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive. Ä CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the Compaq factory-installed files. 7.9.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.2 Optical Drive Ä CAUTION: All removable media should be taken out of the drives before removing the drive from the computer. optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo ✎ An drive. 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock (Section 7.2, “Unlocking the Smart Cover Lock”). 2. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 3.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 6. Disconnect the power and data cables from the rear of the optical drive. 7. Slide the optical drive forward and lift it up and out of the drive cage. the drive will not slide out of the cage, the cage is not fully extended. Pull on the cage until the ✎ Ifinternal drive lock mechanism has been released. Ä CAUTION: Use only 3/16-inch or 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.3 External 3.5-inch Drive 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock. Refer to Section 7.2, “Unlocking the Smart Cover Lock”. 2. Prepare the computer for disassembly. Refer to Section 7.1, “Preparation for Disassembly”. 3. Remove the computer cover. Refer to Section 7.4, “Computer Cover”. 4. Remove the optical drive. Refer to Section 7.9.2, “Optical Drive”. 5.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.9.4 Primary Hard Drive 1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock (Section 7.2, “Unlocking the Smart Cover Lock”). 2. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 3. Remove the computer cover (Section 7.4, “Computer Cover”). 4.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 5. Remove the security clip that secures the backwall to the power supply. 6. Rotate the power supply to its full upright position.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Disconnect the power cable 1 and data cable 2 from the back of the hard drive. 8. Pull the tab that locks the drive in place away from the drive 1, slide the hard drive toward the front of the computer, then lift it up and out of the bay 2. To install a hard drive, reverse the above procedure. replacement hard drive kit includes several data cables.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis replacing the hard drive, transfer the four screws from the old drive to the new one. The ✎ When screws take the place of drive rails. You will need a Torx T-15 screwdriver to remove and re-install the guide screws. HP has provided four extra 6-32 standard guide screws on the front of the chassis, under the computer cover. The 6-32 standard guide screws are silver and are only used on the hard drive.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.10 Fan Shroud 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Lift up on the fan shroud to remove it from the computer. When replacing the shroud, make sure that it does not get caught on the wires from either the fan or the speaker.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.11 Front I/O Devices 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Disconnect the two I/O device cables from the system board: the front USB cable pair and the front audio cable. 4. Remove the drives from the drive tray. Refer to Section 7.9, “Drives”. 5.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Remove the SATA cable from the front and side retaining clips. 8. Push the empty drive cage back into its locked position. Ä CAUTION: Make sure the flat ribbon cables are folded down and the SATA and power cables are pushed out of the way to prevent their being damaged when the drive cage is pushed into the locked position.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 9. Remove the two screws that secure the front I/O device 1 then, push the I/O device towards the back of the chassis 2. 10. Pull the drive cage forward, grasp the I/O device and carefully pull it from under the drive cage 3. Guide the cable ends through the slots in the drive cage support device to keep them from snagging.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis Follow these procedures for reinstalling the front I/O device. 1. Begin with the drive cage in its fully extended position. Guide the I/O device cables under the drive cage and through the legs of the drive cage support 1. It may be necessary to use a wooden pencil to help in this task. 2. Push the I/O device beneath the drive cage as far as possible 2 then, push the drive cage into the closed position to access the front of the chassis.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.12 Power Switch Assembly 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Disconnect the power switch/LED cable from the system board. 4. Squeeze the switch holder retaining clips together at the front of the chassis 1 and push the switch assembly out of the chassis 2. Push the two LEDs out of the chassis 3. 5.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.13 Heatsink 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud. Refer to Section 7.10, “Fan Shroud”. 4. Disconnect the fan control cable from the system board. 5. Loosen the four captive screws 1 that secure the heatsink to the system board tray.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.14 Processor 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud. Section 7.10, “Fan Shroud”. 4. Disconnect the heatsink control cable from the system board and remove the heatsink (Section 7.13, “Heatsink”). 5. Rotate the locking lever to its full open position 1. 6.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit. Ä CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the speaker spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the speaker spares kit. 4.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.15 Speaker 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud. Section 7.10, “Fan Shroud” 4. Remove the heatsink control cable and the heatsink from the system board (Section 7.13, “Heatsink”). 5. Remove any memory modules that might interfere with the screwdriver used for removing the speaker. 6.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.16 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8. Lift the power supply up and out of the chassis. To install the power supply, reverse the removal procedure. Ä 7–40 CAUTION: When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.17 System Board 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove all PCI and PCI Express expansion boards (Section 7.8, “Expansion Card”). 4. Remove the fan shroud from the chassis (Section 7.9, “Drives”). 5. Slide the drive tray forward and disconnect the drive and power cables from the system board. 6. Remove the security clip.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7. Rotate the power supply to its upright position. 8. Disconnect the serial port from the system board 9. Disconnect the balance of the cables from the system board. .
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 10. Remove the long mounting screw that secures the system board tray to the chassis. heatsink has been removed from the drawing below for clarity. The heatsink should not be ✎ The removed until the system board has been removed from the chassis.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 11. Slide the system board tray assembly towards the front of the chassis, about 1/4 inch and lift the system board up and out of the chassis. 12. Remove the heatsink from the system board and the system board tray (Section 7.13, “Heatsink”). ✎ The standoff tray may be separated from the bottom of the system board at this time. To reinstall the system board: 1.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 2. Install the processor. Ä CAUTION: Before reinstalling a previously used heatsink you must clean the top of the processor and the bottom of the heatsink with the alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor using the syringe supplied in the spares kit. 3. Attach the heatsink to the system board-standoff assembly with the four captive screws.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.18 Chassis Fan 1. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”). 2. Remove the computer cover (Section 7.4, “Computer Cover”). 3. Remove the fan shroud (Section 7.10, “Fan Shroud”). 4. Disconnect the chassis fan cable from the system board. 5. Remove the four screws that secure the fan and fan guard to the chassis then, remove the fan from the chassis. .
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19 Battery The battery that comes with this computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery. lifetime of the lithium battery can be extended by plugging the computer into a live AC wall ✎ The socket.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19.1 Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4. Replace the computer cover or access panel. 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19.2 Type 2 Battery Holder 1. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out 1. 2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up 2. Push the other edge down until the clamp snaps over the other edge of the battery.
Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.19.3 Type 3 Battery Holder 1. Pull back on the clip 1 that holds the battery in place, then remove the battery 2. 2. Insert the new battery and position the clip back in place. ✎ After the battery has been replaced, use the following steps to complete this procedure. 3. Replace the computer cover or access panel. 4. Plug in the computer and turn on power to the computer.
Connector Pin Assignments A Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced.
Connector Pin Assignments Ethernet RJ-45 Connector and Icon Pin Signal 1 2 3 4 (+) Transmit Data (-) Transmit Data (+) Receive Data Unused 5 6 7 8 Unused (-) Receive Data Unused Unused Ethernet AUI Connector and Icon Pin Signal Pin Signal 1 2 3 4 Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit 9 10 11 12 Positive AUI Differential Receive +12V Ground Ground 5 6 7 8 Positive AUI Differential Transmit Ground Ground Negative AUI
Connector Pin Assignments Parallel Interface Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Strobe Data Bit 0 Data Bit 1 7 8 9 Data Bit 5 Data Bit 6 Data Bit 7 13 14 15 Select Auto Linefeed Error 4 5 6 Data Bit 2 Data Bit 3 Data Bit 4 10 11 12 Acknowledge Busy Paper End 16 17 18-25 Initialize Printer Select IN Signal Ground Serial Interface, Powered and Non-Powered Connector and Icon Pin Signal 1 2 3 Carrier Detect (12V if powered) Receive Data Transmit Data 4 5 6 Data T
Connector Pin Assignments Headphone Connector and Icon (1/8” miniphone) 1 2 3 Pin Signal 1 (Tip) Audio_Left 2 (Ring) Audio_Right 3 (Shield) Ground Pin Signal 1 (Tip) Audio_In_Left 2 (Ring) Audio_In_Right 3 (Shield) Ground Pin Signal 1 (Tip) Audio_Out_Left 2 (Ring) Audio_Out_Right 3 (Shield) Ground Line-In Audio Connector and Icon (1/8” miniphone) 1 2 3 Line-Out Audio Connector and Icon (1/8” miniphone) 1 2 3 SCSI Low Voltage Differential/Single Ended (LVD/SE) Connector and Icon
Connector Pin Assignments Ultra SCSI Connector and Icon Pin Signal Pin Signal Pin Signal Pin Signal 1-11 12 13 14 Ground Reserved Open Reserved 29 30 31 32 DB3 DB4 DB5 DB6 37 38 39 40 Reserved TERMPWR Reserved Ground 45 46 47 48 RST # MSG # SEL # C/D 15-25 26 27 28 Ground DB0 DB1 DB2 33 34 35 36 DB7 DBP Ground Ground 41 42 43 44 ATN # Ground BSY # ACK # 49 50 REQ # Input/Output External Infrared Transceiver Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Transmit
Connector Pin Assignments ATA/ATAPI (IDE) Standard Drive Cable Connector Pin Signal Pin Signal Pin Signal 1 2 3 4 5 Reset Ground DD7 DD8 DD6 15 16 17 18 19 DD1 DD14 DD0 DD15 Ground 29 30 31 32 33 DMAK Ground INTRQ IOCS16 DA1 6 7 8 9 10 DD9 DD5 DD10 DD4 DD11 20 21 22 23 24 (Key) DMARQ Ground DIOW Ground 34 35 36 37 38 PDIAG (cable detect) DA0 DA2 CS1FX CS3FX 11 12 13 14 DD3 DD12 DD2 DD13 25 26 27 28 DIOR Ground IORDY CSEL 39 40 DASP Ground MultiBay CD-ROM Adapter Connector Pin Sig
Connector Pin Assignments 24-Pin Power Connector 24 13 12 1 Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 6 +3.3 V +3.3 V GND +5 V GND +5 V 7 8 9 10 11 12 GND POK +5 Vaux +12 V +12 V +3.3 V 13 14 15 16 17 18 +3.
Connector Pin Assignments 6-Pin Power Connector and Icon 6 4 Pin Signal 1 GND 2 GND 3 GND 4 12 V CPU 5 12 V CPU 6 +12 V SATA Data and Power Drive Connector Pin Signal Pin Signal Pin Signal Pin Signal S1 Ground S2 A+ S3 A- S4 Ground S5 B- S6 B+ S7 Ground P1 V 3.3 P2 V 3.3 P3 V 3.
Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 PRSNT1# +12V +12V GND JTAG2 6 7 8 9 10 JTAG3 JTAG4 JTAG5 +3.3v +3.
Connector Pin Assignments PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 +12V +12V RSVD GND SMCLK 6 7 8 9 10 SMDAT GND +3.3v JTAG1 3.
B Power Cord Set Requirements The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. The power cord set received with the computer meets the requirements for use in the country where you purchased the equipment. Power cord sets for use in other countries must meet the requirements of the country where you use the computer.
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) Austria (1) Belgium (1) Canada (2) EANSW OVE CEBC CSA Italy (1) Japan (3) Norway (1) Sweden (1) IMQ METI NEMKO SEMKO Denmark (1) Finland (1) France (1) Germany (1) DEMKO SETI UTE VDE Switzerland (1) United Kingdom (1) United States (2) SEV BSI UL 1.
C POST Error Messages POST Error Messages An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found. Not all computers use all of the codes listed. POST Error Messages Screen Message 101-Option ROM Checksum Error Probable Cause System ROM or expansion board option ROM checksum. Recommended Action Verify the correct ROM. Flash the ROM if needed.
POST Error Messages Screen Message Probable Cause 163-Time & Date Not Set Invalid time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. 164-Memory Size Error Recommended Action Set the date and time under Control Panel or in F10 Setup depending on the operating system. If the problem persists, replace the RTC battery. CMOS jumper may not be properly installed. Check for proper placement of the CMOS jumper, if applicable.
POST Error Messages Screen Message 301-Keyboard Error Probable Cause Keyboard failure. Recommended Action Reconnect keyboard with computer turned off. Check connector for bent or missing pins. Ensure that none of the keys are depressed. Replace keyboard. 303-Keyboard Controller Error I/O board keyboard controller. Reconnect keyboard with computer turned off. Replace the system board. 304-Keyboard or System Unit Error Keyboard failure. Reconnect the keyboard with computer turned off.
POST Error Messages Screen Message 605-Diskette Drive Type Error Probable Cause Mismatch in drive type. Recommended Action Run Computer Setup (F10 Setup). Disconnect any other diskette controller devices (tape drives). Clear CMOS. No action required. 912-Computer Cover Has Been Removed Since Last System Start Up 917-Front Audio not Detected Front audio harness has been detached or unseated from the system board. Reconnect or replace front audio harness.
POST Error Messages Screen Message 1785-MultiBay incorrectly installed (continued) Probable Cause Recommended Action (for integrated MultiBay/ USDT systems) Ensure the MultiBay device is fully inserted. MultiBay device not properly seated. Ensure the MultiBay riser is properly seated. or MultiBay riser not properly seated. 1794-Inaccessible devices attached to SATA 1 and/or SATA 3 A device is attached to SATA 1 and/or SATA 3.
POST Error Messages Screen Message Probable Cause Recommended Action 2000-Master Boot Record Hard Drive has Changed. The current bootable hard drive is not the same as the one that was present when MBR security was enabled. Run Computer Setup and either disable MBR security or save the MBR of the current bootable disk. Invalid Electronic Serial Number. Electronic serial number has become corrupted. Run Computer Setup.
POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the ✎ Ifcomputer and refer to the following table to determine the front panel LED codes.
Activity Beeps Red Power LED flashes three times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. 3 Red Power LED flashes four times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. 4 Possible Cause Recommended Action Processor not installed (not an indicator of bad processor).
Activity Beeps Possible Cause Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. 6 Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. 7 System board failure (ROM detected failure prior to video). Replace the system board.
Activity Red Power LED flashes nine times, once every second, followed by a two second pause. Beeps 9 Possible Cause System powers on but is unable to boot. Recommended Action Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region. Replace the system board. Replace the processor. Red Power LED flashes ten times, once every second, followed by a two second pause. 10 Bad option card.
D Troubleshooting Without Diagnostics Preliminary Checklist This section describes some simple, preliminary tests and guidelines for troubleshooting the computer without using the diagnostics.
Solving Minor Problems Solving Minor Problems Problem Cause Possible Solution Computer appears locked up and will not turn off when the power button is pressed. Software control of the power switch is not functional. Computer will not respond to USB keyboard or mouse. Computer is in standby mode. Press the power button to resume from standby mode. System has locked up. Restart computer. 1. Press and hold the power button for at least four seconds until the computer turns off. 2.
Solving Minor Problems (Continued) Problem Cause Possible Solution Poor performance is experienced. (continued) Program previously accessed did not release reserved memory back to the system Restart the computer. Virus resident of the hard drive. Run virus protection program. Too many applications running. Close unnecessary applications. Cause unknown. Restart the computer.
Solving Minor Problems (Continued) Problem Cause Possible Solution System does not power on and the LEDs on the front of the computer are not flashing. System unable to power on. Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, then: 1. Check that the voltage selector is set to the appropriate voltage. 2. Remove the expansion cards one at a time until the 5 V_aux light on the system board turns on. 3. Replace the system board.
Solving Power Supply Problems Solving Power Supply Problems Problem Cause Solution Power supply shuts down intermittently. Voltage selector switch on rear of computer chassis not switched to correct line voltage. Select the proper AC voltage. Power supply fault. Replace the power supply. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times.
Solving Diskette Problems Solving Diskette Problems Problem Cause Solution Diskette drive light stays on. Diskette is damaged. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. Diskette is incorrectly inserted. Remove diskette and reinsert. Drive button is not pushed in. Push in drive button. Files on diskette are damaged. Check the program diskettes. Drive cable is not properly connected.
Solving Diskette Problems (Continued) Problem Cause Solution Cannot format diskette. (continued) Diskette is write-protected. Use another diskette or remove the write protection. Diskette write control is enabled. Use Computer Setup to check the storage security feature disabled settings. A problem has occurred with a disk transaction. The directory structure is bad, or there is a problem with a file. In Windows XP, right-click Start, click Explore, and select a drive.
Solving Hard Drive Problems Solving Hard Drive Problems Problem Cause Solution Hard drive error occurs. Hard disk has bad sectors or has failed. Use a utility to locate and block usage of bad sectors. If necessary, reformat the hard disk. In Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. Disk transaction problem. Either the directory structure is bad or there is a problem with a file.
Solving Hard Drive Problems (Continued) Problem Cause Nonsystem disk/NTLDR missing message. (continued) System is trying to start from a damaged hard drive. Solution 1. Insert a bootable diskette into the diskette drive and restart the computer. 2. Check hard drive format using fdisk: If NTFS formatting, use a third party reader to evaluate the drive. If FAT32 formatting, the hard drive cannot be accessed. Replace the MBR image. 3.
Solving Hard Drive Problems (Continued) Problem Cause Solution Parallel ATA (PATA) hard drive does not perform optimally. Using the wrong cable for the drive type. Reinstall the second Ultra ATA hard drive using an 80-conductor cable (standard on select models.) Both slow and fast UATA devices are on the same data cable. Connect slower UATA devices to a separate data cable connected to the secondary IDE (ATA) controller. Computer will not start. Hard drive is damaged.
Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not correct. Check the cable connections from the monitor to the computer and to the electrical outlet. Screen blanking utility installed or energy saver features enabled. Press any key or click the mouse button and, if set, type your password. System ROM is bad; system is running in FailSafe Boot Block mode (indicated by eight red blinks from the power LED and eight simultaneous beeps). 1.
Problem Cause Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved. Pre-video memory error. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.
Problem The picture is broken up, rolls, jitters, or flashes. Cause Solution Monitor is not capable of displaying requested resolution. Change requested resolution. Graphics card is bad. Replace the graphics card. The monitor connections may be incomplete or the monitor may be incorrectly adjusted. 1. Be sure the monitor cable is securely connected to the computer. 2.
D–14 Problem Cause Solution Certain typed symbols do not appear correct. The font you are using does not support that particular symbol. Use the Character Map to locate the and select the appropriate symbol. Click Start > All Programs > Accessories > System Tools > Character Map. You can copy the symbol from the Character Map into a document.
Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come out of the speaker or headphones. Software volume control is turned down. Double-click the Speaker icon on the taskbar and use the volume slider to adjust the volume. The external speakers are not turned on. Turn on the external speakers. Audio is hidden in Computer Setup. Enable the audio in Computer Setup: Security > Device Security >Audio. External speakers plugged into the wrong audio jack.
Solving Audio Problems (Continued) Problem Cause Solution When attempting to resume from standby mode, do not hold down the Ä CAUTION: power button for more than four seconds. Otherwise, the computer will shut down and any unsaved data will be lost. Noise or no sound comes out of the speakers or headphones. 1. The audio output jack supports both digital and analog output functions. When using digital speakers, switch the PC’s output jack to digital mode.
Solving Printer Problems Solving Printer Problems Problem Cause Solution Printer will not print. Printer is not turned on and online. Turn the printer on and make sure it is online. The correct printer driver for the application are not installed. 1. Install the correct printer driver for the application. 2. Try printing using the MS-DOS command: DIR C:\ > [printer port] where [printer port] is the address of the printer being used. If the printer works, reload the printer driver.
Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems Problem Cause Keyboard commands and typing are not recognized by the computer. Keyboard connector is not properly connected. Solution 1. Turn off the computer. 2. Reconnect the keyboard to the back of the computer and restart the computer. Program in use has stopped responding to commands. Shut down the computer using the mouse and then restart the computer. Keyboard needs repairs. Replace the keyboard.
Solving Keyboard and Mouse Problems Problem Cause Solution Mouse does not respond to movement or is too slow. (continued) Computer is in standby mode. Press the power button to resume from standby mode. Input is coming from a nearby wireless mouse. 1. Ensure that the mouse batteries are fresh. 2. Place the receiver over 30 cm (12 in) from a telephone, power supply, transformer, computer, other electrical device, or power cords or cables. 3.
Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive. If you install a plug and play device, Windows 2000 and Windows XP automatically recognize the device and configure the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware.
Solving Hardware Installation Problems (Continued) Problem Cause Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved. Memory is installed incorrectly or is bad. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.
Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Solution Wake-on-LAN feature is not functioning. Wake-on-LAN is not enabled. Use the Network control application to enable Wake-on-LAN. Network driver does not detect network controller. Network controller is disabled. Run Computer Setup and enable network controller. Network status link light does not turn on or it never flashes.
Solving Network Problems (Continued) Problem Cause Solution Diagnostics passes, but the computer does not communicate with the network. Network drivers are not loaded, or driver parameters do not match current configuration. 1. Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller. 2. Make sure the correct network client and protocol is installed. Diagnostics passes, but the computer does not communicate with the network.
Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem Cause Solution System will not boot or does not function properly after installing additional memory modules. Memory module is not the correct type or speed or the new memory module is not seated properly. Replace module with the correct industry-standard device for the computer.
Solving Processor Problems . Solving Processor Problems Problem Cause Poor performance is experienced. Processor is hot. Solution 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Power LED flashes Red three times, once every second, followed by a two second pause, and the computer beeps three times.
Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause Solution System will not boot from CD-ROM or DVD drive. Removable Media Boot is not enabled through the Computer Setup utility. Run the Computer Setup utility and enable booting to removable media and verify boot order settings. Non-bootable CD in drive. Try a bootable CD in the drive. Network Server Mode is enabled in Computer Setup. Run Computer Setup and disable Network Server Mode in Security > Password Options.
Solving CD-ROM and DVD Problems (Continued) Problem Cause Solution CD or DVD disc is dirty. Clean CD or DVD with a CD cleaning kit. Windows does not detect the CD-ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device in question. 2. Restart the computer and let Windows detect the device. Recording audio CDs is difficult or impossible. Wrong or poor quality media type. 1. Try using a slower recording speed. 2. Verify that you are using the correct media for the drive. 3.
Solving Front Panel Component Problems Problem Cause A USB device, headphone, or microphone is not recognized by the workstation. (continued) The correct device driver is not installed. Solution 1. Install the correct driver for the device. 2. You might need to reboot the computer. The cable from the device to the computer does not work. 1. If possible, replace the cable. The device is not working. 1. Replace the device. 2. Restart the workstation. 2. Restart the computer.
Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Internet. (continued) Cookies are corrupted. Windows XP 1. Select Start > Control Panel. 2. Double-click Internet Options. 3. On the General tab, click the Delete Cookies button. Cannot automatically launch Internet programs. You must log on to the ISP before some programs will start. Log on to the ISP and launch the desired program. Internet takes too long to download Web sites.
POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. you see flashing LEDs on a PS/2 keyboard look for flashing LEDs on the front panel of the ✎ Ifcomputer and refer to the following table to determine the front panel LED codes.
Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Red Power LED flashes three times, once every second, followed by a two second pause and the computer beeps three times. Beeps stop after fifth iteration but LEDs continue until problem is resolved. 3 Processor not installed (not an indicator of bad processor). 1. Check to see that the processor is present. Power failure (power supply is overloaded). 1.
Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity D–32 Beeps Possible Cause Recommended Action Red Power LED flashes six times, once every second, followed by a two second pause and the computer beeps six times. Beeps stop after fifth iteration but LEDs continue until problem is resolved. 6 Pre-video graphics error. For systems with a graphics card: Red Power LED flashes seven times, once every second, followed by a two second pause and the computer beeps seven times.
Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Red Power LED flashes ten times, once every second, followed by a two second pause and the computer beeps ten times. Beeps stop after fifth iteration but LEDs continue until problem is resolved. 10 Bad option card. System does not power on and LEDs are not flashing. None Recommended Action 1.
D–34 376220-001 Service Reference Guide, dc5100
E System Board and Riser Card Reference Designators These reference designators are used on most, but not all, HP system and riser boards.
E–2 Designator Component (Continued) J69 J70 J71 J72 J73 Video connector, VGA Primary single USB connector Secondary single USB port Microphone jack Line-in jack J74 J75 J76 J77 J78 Line-out jack Headphone jack Volume control Double-stacked headphone, Top = microphone, Bottom = headphone Double-stacked line-in, Top = line-in, Bottom = line-out J80 J81 J82 J83 J101 Stacked serial/audio connector Primary double-stack USB, Top = Port 2, Bottom = Port 1 Secondary double-stack USB, Top = Port 4, Bottom =
Designator Component (Continued) P27 P29 P30 P40 P41 MultiBay header SCSI LED connector PCI extender slot (female) Blade PC graphics connector (outboard) Blade PC graphics connector (inboard) P52 P53 P54 P55 P58 Serial port header First serial port Flying serial port Double stack serial port, Top = Serial B, Bottom = Serial A Riser edge connector (male-mates with J30) P60 P61 P62 P63 P64 Primary Serial ATA (SATA) connector Second Serial ATA (SATA) connector Third Serial ATA (SATA) connector Fourth Se
E–4 Designator Component (Continued) U46 U50 U51 U52 U53 VRM controller USB front port power switch First USB rear port power switch Second USB rear port power switch Third USB rear port power switch XBT XMM1 XMM2 - XMM5 XU1 XU2 Battery retainer Memory slot.
F Memory Intel-Based Systems Computers equipped with Intel-based processors come with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory module slots are populated with at least one preinstalled memory module.
DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A. Sockets XMM3 and XMM4 operate in memory channel B. The system board shown may differ from the one in your product.
Index Index 4-pin power pin assignments A–7 24-pin MicroFit power pin assignments A–7 24-pin power pin assignments A–7 6-pin power pin assignments A–8 A access panel, MT removal and replacement 6–3 advanced, Computer Setup heading 2–11 ATA/ATAPI (IDE) drive cable pin assignments A–6 B battery disposal 5–9 MT removal and replacement 6–28 real-time clock D–2 SFF removal and replacement 7–47 bezel insert SFF removal and replacement 7–11 blank screen D–12 C cable MT removal and replacement 6–15 proper handl
installing 2–15 Menu Bar 2–16 overview 2–14 running tests 2–17 disassembly preparation MT 6–1 SFF 7–1 disconnecting MT hard drive cable 6–16 MT optical drive cable 6–15 MTdiskette drive cable 6–15 diskette drive bezel MT removal and replacement 6–7 diskette drive cable MT connecting 6–18 MT disconnecting 6–15 drive capacities 4–10 MT removal and replacement 6–15 partition size 4–10 replacement type 4–9 SFF external removal and replacement 7–24 SFF hard drive removal and replacement 7–25 SFF optical drive re
J jumper settings D–9 K keyboard cleaning 5–6 pin assignments A–1 L LEDs blinking power C–7 blinking PS/2 keyboard C–7 line-in audio pin assignments A–4 line-out audio pin assignments A–4 M memory MT removal and replacement 6–8 SFF removal and replacement 7–16 menu bar, Diagnostics for Windows 2–16 microphone pin assignments A–3 monitor blank screen D–12 blurry video D–14 checking connections D–1 cleaning 5–7 dim characters D–13 pin assignments A–5 mouse cleaning 5–7 pin assignments A–1 MT 3.
power switch assembly MT removal and replacement 6–23 SFF removal and replacement 7–34 power-on password 2–1 Power-On Self-Test (POST) 2–1 problems, solving audio D–16 CD-ROM and DVD D–27 diskette D–6 display D–12 drive key D–28 front panel components D–28 hard drive D–8 hardware installation D–21 Internet access D–29 keyboard D–19 memory D–25 mouse D–19 MultiBay D–11 network D–23 optical drives D–27 power supply D–5 printer D–18 processor D–26 processor SFF removal and replacement 7–36 protecting ROM, caut
setup software 1–2 windows 1–1 SFF battery removal and replacement 7–47 cable lock removal and replacement 7–4 cable management 6–12, 7–13 chassis fan removal and replacement 7–46 chassis, illustrated 5–2 computer cover removal and replacement 7–10 disassembly preparation 7–1 drive bezel inserts 7–12 drive positions 7–21 expansion card removal and replacement 7–19 expansion card retainer removal and replacement 7–18 external 3.
