ThinkCentre E73z User Guide Machine Types: 10BD and 10BL
Note: Before using this information and the product it supports, be sure to read and understand the “Important safety information” on page v and Appendix A “Notices” on page 81. Fourth Edition (June 2014) © Copyright Lenovo 2013, 2014. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
Contents Important safety information . . . . . . v Service and upgrades . . . . . . Static electricity prevention . . . . Power cords and power adapters . Extension cords and related devices Plugs and outlets. . . . . . . . External devices . . . . . . . . Heat and product ventilation . . . Operating environment . . . . . Laser compliance statement . . . Power supply statement . . . . . Cleaning and maintenance . . . . Tip-over hazard prevention notice . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovery information for the Windows 8 or Windows 8.1 operating system . . . . . . . . Refreshing your computer . . . . . . . . Resetting your computer to the factory default settings. . . . . . . . . . . . . . . . Using the advanced startup options . . . . Recovering your operating system if Windows 8 or Windows 8.1 fails to start . . . . . . . Chapter 7. Using the Setup Utility program . . . . . . . . . . . . . . . . Starting the Setup Utility program . . . . . . Viewing and changing settings . . . . . .
Appendix D. Restriction of Hazardous Substances Directive (RoHS) . . . . . 91 European Union RoHS China RoHS. . . . . Turkish RoHS . . . . Ukraine RoHS . . . . India RoHS . . . . . . . . . . . . . . . © Copyright Lenovo 2013, 2014 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 91 91 92 92 Appendix E. China Energy Label . . . 93 Appendix F. ENERGY STAR model information . . . . . . . . . . . . . . 95 Index. . . . . . . . . . . . . . . . . .
iv ThinkCentre E73z User Guide
Important safety information CAUTION: Before using this manual, be sure to read and understand all the related safety information for this product. Refer to the information in this section and the safety information in the Safety, Warranty, and Setup Guide that you received with this product. Reading and understanding this safety information reduces the risk of personal injury and damage to your product.
or CRU, do not open the static-protective package containing the part until the instructions direct you to install it. When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage: • Limit your movement. Movement can cause static electricity to build up around you. • Always handle components carefully. Handle adapters, memory modules, and other circuit boards by the edges. Never touch exposed circuitry.
Plugs and outlets If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement. Do not share an electrical outlet with other home or commercial appliances that draw large amounts of electricity; otherwise, unstable voltage might damage your computer, data, or attached devices.
For your safety and to maintain optimum computer performance, always follow these basic precautions with your desktop computer: • Keep the cover closed whenever the computer is plugged in. • Regularly inspect the outside of the computer for dust accumulation. • Remove dust from vents and any perforations in the bezel. More frequent cleanings might be required for computers in dusty or high-traffic areas. • Do not restrict or block any ventilation openings.
Power supply statement Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. Cleaning and maintenance Keep your computer and workspace clean.
x ThinkCentre E73z User Guide
Chapter 1. Product overview This chapter provides information about the computer features, specifications, software programs provided by Lenovo, and locations of connectors. Features This section introduces the computer features. The information covers a variety of models. To view the information about your specific model, do one of the following: • Go into the Setup Utility program by following the instructions in Chapter 7 “Using the Setup Utility program” on page 47.
Note: An integrated microphone is installed in the computer. When an external microphone is connected to the microphone connector on the front panel, click start ➙ Control Panel ➙ Sound to enter the Sound window. On the Recording tab, two options 2–High Definition Audio Device and Integrated Microphone will be displayed. Right-click 2–High Definition Audio Device and select Set as Default Devices to enable the external microphone.
Input/Output (I/O) features • 9-pin serial connector (optional) • Six Universal Serial Bus (USB) connectors (two on the side panel and four on the rear panel) • One Ethernet connector • One VGA-out connector • Two audio connectors (microphone connector and headphone connector) For more information, see “Locating connectors, controls, and indicators on the front of your computer” on page 8 and “Locating connectors on the rear of your computer” on page 9.
Specifications This section lists the physical specifications for your computer. Table 1. Dimensions and weight Dimension Non-touch with frame stand Non-touch with monitor stand Non-touch without stand Height 371.5 mm (14.63 inches) 404.5 mm (15.93 inches) 362 mm (14.25 inches) Width 506 mm (19.92 inches) 506 mm (19.92 inches) 506 mm (19.92 inches) Depth 95 mm (9.74 inches) 175.5 mm (6.91 inches) 66 mm (2.60 inches) Weight (maximum) 6.7 kg (14.77 lbs) 8.5 kg (18.74 lbs) 6.3 kg (13.
To access Lenovo programs from Control Panel, do the following: Note: Some Lenovo programs might not be displayed in Control Panel. To find these programs, use Windows Search. 1. Click Start ➙ Control Panel. Change the view of Control Panel from Category to Large icons or Small icons. 2. Locate the program by the icon name and then click the program to launch it. The following table lists the programs available on the Windows 7 operating system.
• Lenovo Companion • Lenovo Reach • Lenovo Settings • Lenovo SHAREit • Lenovo Solution Center • Lenovo Support • Lenovo Tools • Password Manager • PC Cloud Manager (Windows 8.1 only) • Power Manager • System Update An introduction to Lenovo programs This topic provides a brief introduction to some Lenovo programs. Note: Depending on your computer model, some of the programs might not be available.
• Lenovo SHAREit (Windows 7, Windows 8, and Windows 8.1) The Lenovo SHAREit program provides a quick and easy way to share files and folders among computers, smartphones, tablets, or smart TVs with the Android or the Windows operating system installed. SHAREit uses any type of network or even no network at all to share files and folders. • Lenovo Solution Center (Windows 7, Windows 8, and Windows 8.1) The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems.
Locations This section provides information to help you locate the connectors on the front and rear of your computer. Note: The components in your computer might look slightly different from the illustrations. Locating connectors, controls, and indicators on the front of your computer Figure 1 “Front connector, control, and indicator locations” on page 8 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 1.
Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 9 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. Figure 2. Rear connector locations 1 Power cord connector 2 Ethernet connector 3 VGA-out connector 4 USB 2.
Adjusting the frame stand Your computer might come with a frame stand that you can use to adjust the computer to your comfortable position. Pull the stand open and adjust the position of the computer at an angle between 10° and 25° as shown in the following illustration. Note: The frame stand is available only in some models. CAUTION: Make sure that the angle is at least 10° from the vertical position; otherwise, the computer might be unstable and tip over. Figure 3.
Adjusting the monitor stand Your computer might come with a monitor stand that you can use to adjust the computer to your comfortable position. The following illustration shows that you can adjust the position of the computer at an angle of 5° to the front and 45° to the rear. Figure 4. Adjusting the vertical position of the computer to the front or to the rear Chapter 1.
Machine type and model label The machine type and model label identifies your computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify your computer and provide faster service. The following is a sample of the machine type and model label. Figure 5.
Chapter 2. Using your computer This chapter provides information on using some of the computer components. Frequently asked questions The following are a few tips that will help you optimize the use of your computer. Can I get my user guide in another language? The user guide is available in various languages on the Lenovo Support Web site at: http://www.lenovo.com/UserManuals Where are my recovery discs? Lenovo provides a program that enables you to create recovery discs.
Navigating among screens on the Windows 8 and Windows 8.1 operating systems This section provides instructions on how to navigate among the desktop, the Start screen, and applications that were opened from the Start screen on the Windows 8 and Windows 8.1 operating systems. For detailed instructions, see “Navigating on Windows 8” on page 14 or “Navigating on Windows 8.1” on page 15.
1. Swipe in and out on the left edge of the screen. Representations of all available workspaces are displayed along the left edge of the screen. 2. Tap the desired workspace. • Method 2 1. Swipe in from the left edge of the screen to navigate to the next available workspace. 2. Repeat step 1 until you navigate to the desired workspace.
– Using a pointing device: 1. Do one of the following: • Move the pointer to the extreme top-left corner of the screen and then move the pointer downward along the left edge of the screen. • Move the pointer to the extreme bottom-left corner of the screen and then move the pointer upward along the left edge of the screen. Representations of all available workspaces are displayed along the left edge of the screen.
– For Windows 8.1: 1. Click the arrow icon in the bottom-left corner of the screen to go to the Apps screen. 2. Scroll to the right side, and click Control Panel in the Windows System section. Using the keyboard Your computer comes with a standard keyboard. The Microsoft Windows shortcut keys are provided on this standard keyboard.
About your computer audio If a factory-installed, high-performance audio adapter is installed in your computer, the system-board audio connectors on the rear of the computer are typically disabled; use the connectors provided on the audio adapter. Each audio solution provides at least three audio connectors: audio line-in connector, audio line-out connector, and Microphone connector.
2. In the Sound section, click Adjust system volume. 3. Move the sliders up or down to raise or lower the volume of your computer. Using CDs and DVDs Your computer might have a DVD ROM drive or recordable DVD drive installed. DVD drives use industry-standard, 12 cm (4.75-inch) CD media or DVD media. If your computer comes with a DVD drive, the drive can read DVD-ROM discs, DVD-R discs, DVD-RAM discs, DVD-RW discs, and all types of CDs, such as CD-ROM discs, CD-RW discs, CD-R discs, and audio CDs.
To remove a CD or DVD from the DVD drive, do the following: 1. With the computer on, press the Eject/Load button. When the tray slides out automatically, carefully remove the disc. 2. Close the tray by pressing the Eject/Load button or by gently pushing the tray forward. Note: If the tray does not slide out of the drive when you press the Eject/Load button, insert a straightened paper clip into the emergency-eject hole located on the front of the DVD drive.
Using the multi-touch feature The multi-touch feature enables you to use one or two fingers to interact with your computer. For example, you can zoom in, zoom out, scroll, or rotate on the touch screen with two fingers while browsing the Internet or reading or editing a document. The following table shows the supported touch feature on each operating system edition. Table 3.
22 ThinkCentre E73z User Guide
Chapter 3. You and your computer This chapter provides information about accessibility, comfort, and relocating your computer to other countries or regions. Accessibility and comfort Good ergonomic practice is important to get the most from your personal computer and to avoid discomfort. Arrange your workplace and the equipment you use to suit your individual needs and the kind of work that you perform. In addition, use healthy work habits to maximize your performance and comfort while using your computer.
Glare and lighting Position the monitor to minimize glare and reflections from overhead lights, windows, and other light sources. Reflected light from shiny surfaces can cause annoying reflections on your monitor screen. Place the monitor at right angles to windows and other light sources, when possible. Reduce overhead lighting, if necessary, by turning off lights or using lower wattage bulbs. If you install the monitor near a window, use curtains or blinds to block the sunlight.
select one object with your keyboard, the object is highlighted. When you move the pointer to one object with your mouse, the introductory text of the object is displayed. To use on-screen notification, open Control Panel, click Ease of Access ➙ Ease of Access Center, and then click Use text or visual alternatives for sounds. Audio notification Audio notification helps visually impaired people or people with weak sight be aware of the status of their computer.
For more information about how to use and configure Speech Recognition, see the Windows Help and Support information system. Customizable text size Depending on your preference, you can change only the text size instead of changing the size of everything on the desktop. To change the text size, open Control Panel and click Appearances and Personalization ➙ Display. Then, go to Change only the text size and set a text size that meets your needs.
• “Zoom” on page 26 Ease of Access keyboard shortcuts The following table contains keyboard shortcuts that can help make your computer easier to use.
TTY/TDD conversion modem Your computer supports the use of the text telephone (TTY) or the telecommunications device for the deaf (TDD) conversion modem. The modem must be connected between your computer and a TTY/TDD telephone. Then, you can type a message on your computer and send it to the telephone. Documentation in accessible formats Lenovo provides electronic documentation in accessible formats.
Chapter 4. Security This chapter provides information about how to protect your computer from theft and unauthorized use. Security features The following security features are available on your computer: • Computrace Agent software embedded in firmware The Computrace Agent software is an IT asset management and computer theft recovery solution. The software detects if changes have been made on the computer, such as hardware, software, or the computer call-in location.
Attaching a Kensington-style cable lock You can use a Kensington-style cable lock to secure your computer to a desk, table, or other non-permanent fixture. The cable lock attaches to the security-lock slot at the rear of your computer and is operated with a key or combination depending on the type selected. The cable lock also locks the buttons used to open the computer cover. This is the same type of lock used with many notebook computers.
• Administrator Password: Setting an Administrator Password deters unauthorized users from changing configuration settings. If you are responsible for maintaining the configuration settings of several computers, you might want to set an Administrator Password. For more information, see “Administrator Password” on page 48. You do not have to set any passwords to use your computer. However, using passwords improves computing security.
32 ThinkCentre E73z User Guide
Chapter 5. Installing or replacing hardware This chapter provides instructions on how to install or replace hardware for your computer. Handling static-sensitive devices Do not open the static-protective package containing the new part until the defective part has been removed from the computer and you are ready to install the new part. Static electricity, although harmless to you, can seriously damage computer components and parts.
This section provides instructions on how to replace the keyboard or mouse. To replace the keyboard or mouse, do the following: 1. Disconnect the old keyboard cable or mouse cable from the computer. 2. Connect a new keyboard or mouse to one of the USB connectors on the computer. Depending on where you want to connect the new keyboard or mouse, see “Locating connectors, controls, and indicators on the front of your computer” on page 8 or “Locating connectors on the rear of your computer” on page 9.
Replacing the wireless mouse To replace the wireless mouse, do the following: 1. Disconnect the USB dongle from your computer. Then, take away your failing wireless mouse. 2. Remove the new wireless mouse from the package. 3. Press the battery compartment release button. Figure 9. Opening the battery compartment 4. Remove the USB dongle from the compartment of the new wireless mouse or from the compartment of the wireless keyboard. Figure 10. Taking out the USB dongle 5.
Figure 12. Installing the mouse batteries 7. Close the battery compartment cover and slide it forward until it clicks into place. Figure 13. Closing the battery compartment cover 8. Switch on the power button on the bottom of the wireless mouse, and then it is ready to use. Figure 14. Pushing the power switch on Notes: • The green LED indicates that the mouse is ready for use. • The flashing amber LED indicates a low battery power level.
• Push the power switch to the off position when you are not using the mouse. This extends the battery life. • Disconnect the USB dongle from your computer and store it in the wireless mouse compartment or in the wireless keyboard compartment. Obtaining device drivers You can obtain device drivers that are not preinstalled in your operating system at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. Chapter 5.
38 ThinkCentre E73z User Guide
Chapter 6. Recovery information This chapter provides information about the recovery solutions provided by Lenovo. • “Recovery information for the Windows 7 operating system” on page 39 • “Recovery information for the Windows 8 or Windows 8.
Creating recovery media This section provides instructions on how to create recovery media. Note: On the Windows 7 operating system, you can create recovery media using discs or external USB storage devices. To create recovery media on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen. Using recovery media This section provides instructions on how to use recovery media.
1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens. 2. In the Rescue and Recovery main window, click the Launch advanced Rescue and Recovery arrow. 3. Click Back up your hard drive and select backup operation options. Then, follow the instructions on the screen to complete the backup operation.
2. Turn on your computer. When you see the logo screen, press Enter, and then press F11 to enter the Rescue and Recovery workspace. 3. If you have set a Rescue and Recovery password, type your password when prompted. The Rescue and Recovery workspace opens after a short delay. Note: If the Rescue and Recovery workspace fails to open, see “Solving recovery problems” on page 44. 4.
2. Repeatedly press and release the F12 key when turning on the computer. When the Please select boot device window opens, release the F12 key. 3. In the Please select boot device window, select the USB hard disk drive as the first boot device and press Enter. The rescue medium starts. When the rescue medium starts, the Rescue and Recovery workspace opens. The help information for each feature is available from the Rescue and Recovery workspace. Follow the instructions to complete the recovery process.
Reinstalling software programs If a software program you installed on your computer is not working correctly, you might need to remove and reinstall it. Reinstalling overwrites the existing programs files and usually fixes any problems that you might have had with that program. To remove a program in your system, see Microsoft Windows help system for detailed information. To reinstall the program, do one of the following: Note: The method of reinstalling a program varies from program to program.
Recovery information for the Windows 8 or Windows 8.1 operating system This section provides information about the recovery solutions provided on computers preinstalled with the Windows 8 or Windows 8.1 operating system. Refreshing your computer If your computer does not perform well and the problem might be caused by a recently installed program, you can refresh your computer without losing your personal files or changing your settings.
1. Move the pointer to the top-right or bottom-right corner of the screen to display the charms. Click Settings ➙ Change PC settings ➙ General. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3. Restart your computer following the instructions on the screen. • For Windows 8.1: 1. Move the pointer to the top-right or bottom-right corner of the screen to display the charms. Click Settings ➙ Change PC settings ➙ Update and recovery ➙ Recovery. 2.
Chapter 7. Using the Setup Utility program The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. However, the operating system settings might override any similar settings in the Setup Utility program. Starting the Setup Utility program To start the Setup Utility program, do the following: 1. Make sure your computer is turned off. 2. Repeatedly press and release the F1 key when turning on the computer.
• Administrator Password • Hard Disk Password You do not have to set any passwords to use your computer. However, using passwords improves computing security. If you decide to set any passwords, read the following sections. Password considerations A password can be any combination of up to 64 alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised.
2. From the Setup Utility program main menu, select Security. 3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: A password can be any combination of up to 64 alphabetic and numeric characters. For more information, see “Password considerations” on page 48.
3. Select the devices for the Primary Startup Sequence, the Automatic Startup Sequence, and the Error Startup Sequence. Read the information displayed on the right side of the screen. 4. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program” on page 51. Enabling ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go to: http://www.lenovo.
Exiting the Setup Utility program After you finish viewing or changing settings, press Esc to return to the Setup Utility program main menu. You might have to press Esc several times. Do one of the following: • If you want to save the new settings, press F10 to save changes and exit the Setup Utility program. • If you do not want to save the settings, select Exit ➙ Discard Changes and Exit, and then press Enter.
52 ThinkCentre E73z User Guide
Chapter 8. Updating system programs This chapter provides information about updating the POST and BIOS, and how to recover from a POST and BIOS update failure. Using system programs System programs are the basic layer of software built into your computer. System programs include the POST, the BIOS, and the Setup Utility program. The POST is a set of tests and procedures that are performed each time you turn on your computer.
Updating (flashing) the BIOS from your operating system Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure. To update (flash) the BIOS from your operating system, do the following: 1. Go to http://www.lenovo.com/support. 2. Click Download Drivers & Software. 3. Click Use Quick Path. 4.
Chapter 9. Preventing problems This chapter provides information that can help you avoid common problems and keep your computer running smoothly. Keeping your computer current In some situations you may find it necessary to have the most current software programs, device drivers, or operating system. This section explains how to get the latest updates for your computer.
Using System Update The System Update program helps you keep the software on your computer up-to-date. Update packages are stored on Lenovo servers and can be downloaded from the Lenovo Support Web site. Update packages can contain applications, device drivers, BIOS flashes, or software updates.
Cleaning your computer It is a good practice to clean your computer periodically to protect the surfaces and ensure trouble-free operation. CAUTION: Be sure to turn off the computer and monitor power switches before cleaning the computer and monitor screen. Computer Use only mild cleaning solutions and a damp cloth to clean the painted surfaces of the computer. Keyboard To clean your computer keyboard, do the following: 1. Apply some isopropyl rubbing alcohol to a soft, dust-free cloth. 2.
Many computer supply stores carry the special cleaning fluids for displays. Use cleaning fluids developed for LCD displays only. First apply the fluid to a lint-free, soft cloth, then clean the LCD display. Some computer supply stores carry pre-moistened towelettes for LCD maintenance. Cleaning a glass-screen surface To clean a glass-screen surface, wipe it gently with a soft, dry cloth, or blow on the screen to remove grit and other loose particles.
Chapter 10. Troubleshooting and diagnostics This chapter provides information about diagnosing and troubleshooting computer problems. If your computer problem is not described here, see Chapter 11 “Getting information, help, and service” on page 77 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems. Note: If you cannot correct the problem, have the computer serviced.
Symptom Action The operating system does not start. Verify that: The computer beeps multiple times before the operating system starts. Verify that no keys are stuck. • The startup sequence includes the device where the operating system resides. Usually, the operating system is on the hard disk drive. For more information, see “Selecting a startup device” on page 49.
If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software, do the following before referring to the troubleshooting information: 1. Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, make sure you review and follow the electrical safety information provided with your computer. For your safety, do not operate the computer with the cover removed. 2.
Note: When external-speaker or headphone cables are attached to the audio connector, the internal speaker, if present, is disabled. In most cases, if an audio adapter is installed in one of the expansion slots, the audio function built into the system board is disabled; use the audio jacks on the adapter. • Make sure that the program you are running is designed for use in the Microsoft Windows operating system.
An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a CD drive Symptom: An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a CD drive. Actions: • If you have multiple CD or DVD drives installed (or a combination of CD and DVD drives), try inserting the disc into the other drive. In some cases, only one of the drives is connected to the audio subsystem.
Actions: • Restart the DVD player program. • Close any open files, turn off the computer, and then restart the computer. • Try a lower screen resolution or color depth. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 77. DVD movie will not play Symptom: DVD movie will not play. Actions: • Make sure that the disc surface is clean and not scratched.
• On computers that have a CD-ROM or CD-RW drive in addition to a DVD-ROM drive, make sure that the DVD disc is in the drive labeled “DVD”. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 77. Intermittent problems Symptom: A problem occurs only occasionally and is difficult to repeat.
Note: For detailed information on how to open Control Panel on Windows 8 and Windows 8.1, see “Accessing Control Panel on the Windows 8 or Windows 8.1 operating system” on page 16. 2. Click Hardware and Sound. 3. Click Devices and Printers. 4. Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts. If these actions do not correct the problem, have the computer and keyboard serviced.
Select your symptom from the following list: • “Wrong characters appear on the screen” on page 67 • “The monitor works when you turn on the computer, but goes blank after some period of computer inactivity” on page 67 • “The monitor works when you turn on the computer, but goes blank when you start some application programs” on page 67 • “The image appears to be flickering” on page 67 • “The image is discolored” on page 68 Wrong characters appear on the screen Symptom: Wrong characters appear on t
• The monitor might be affected by interference from nearby equipment. Magnetic fields around other devices, such as transformers, appliances, fluorescent lights, and other monitors might be causing the problem. Move fluorescent desk lighting or any equipment that produces magnetic fields farther away from the monitor. If this does not correct the problem, do the following: 1. Turn off the monitor. (Moving a color monitor while it is turned on might cause screen discoloration.) 2.
• “Your computer cannot connect to the network” on page 69 • “The adapter stops working for no apparent reason” on page 70 • “If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur” on page 70 • “If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps” on page 70 For more information about the network problems, see “Networking problems” on page 68.
The adapter stops working for no apparent reason Symptom: The adapter stops working for no apparent reason. Action: The network driver files may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed. The Wake on LAN feature is not working Symptom: The Wake on LAN (WOL) feature is not working. Actions: • Make sure that WOL is enabled in the BIOS Setup Utility program.
Action: The WAN card is not supported on this computer. Remove it. Note: Some computer models do not have a wireless WAN. For more information about the network problems, see “Networking problems” on page 68. Bluetooth problem Symptom: Sound does not come from the Bluetooth headset or headphone but comes from the local speaker even though the headset or headphone is connected using the Headset profile or AV profile. Action: Do the following: 1.
• Verify that all option hardware and cable connections are secure. • If the option comes with its own test instructions, use those instructions to test the option. • If the failing option is a SCSI option, verify that: – The cables for all external SCSI options are connected correctly. – The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly. – All external SCSI options are turned on. External SCSI options must be turned on before the computer is turned on.
Note: For detailed information on how to open Control Panel on Windows 8 and Windows 8.1, see “Accessing Control Panel on the Windows 8 or Windows 8.1 operating system” on page 16. 2. Click Programs. 3. Click Turn Windows features on or off. 4. A list of optional Windows components is displayed. Follow the instructions on the screen. • Method 3 1. On the Windows 7 operating system, click Start ➙ Computer. On the Windows 8 operating system, open File Explorer and click Computer. On the Windows 8.
1. The printer is turned on and is online. 2. Paper is loaded correctly. 3. The printer signal cable is securely connected to the correct parallel, serial, or USB connector on the computer. Note: Non-IEEE-approved printer signal cables might cause unpredictable problems. 1. Any device drivers and other software that came with the printer are correctly installed. 2. You have assigned the printer port correctly in your operating system, application program, or BIOS settings.
Actions: • Most software programs have built-in help systems that provide instructions for most tasks. If you are having difficulty performing a specific task within a software program, refer to the help system for that program. Help systems are typically accessible from a menu or button in the program, and frequently from the F1 key. • If you are having difficulty with the Windows operating system or one of its components, refer to the Windows help system. It is accessible from the Windows Start menu.
If these actions do not correct the problem, run the Lenovo Solution Center program to test the USB connector. If the USB device came with its own diagnostics, run those diagnostics against the USB device. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 77. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems.
Chapter 11. Getting information, help, and service This chapter contains information about help, service, and technical assistance for products manufactured by Lenovo. Information resources You can use the information in this section to access useful resources relating to your computing needs. Lenovo ThinkVantage Tools The Lenovo ThinkVantage Tools program guides you to a host of information sources and provides easy access to various tools to help you work more easily and securely.
Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at: http://www.lenovo.com/support This Web site is updated with the latest support information such as the following: • Drivers and software • Diagnostic solutions • Product and service warranty • Product and parts details • User guides and manuals • Knowledge base and frequently asked questions Help and service This section contains information about obtaining help and service.
• Installation and maintenance of application programs Refer to the Safety, Warranty, and Setup Guide that comes with your computer for information about your warranty type and duration. You must retain your proof of purchase to obtain warranty service. For a list of the Lenovo Support phone numbers for your country or region, go to http://www.lenovo.com/support/phone or refer to the Safety, Warranty, and Setup Guide that comes with your computer. Note: Phone numbers are subject to change without notice.
80 ThinkCentre E73z User Guide
Appendix A. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo Rescue and Recovery The ThinkCentre logo ThinkCentre ThinkVantage Microsoft, Windows, and Windows Media are trademarks of the Microsoft group of companies. Intel is a trademark of Intel Corporation in the U.S. and/or other countries. Linux is a registered trademark of Linus Torvalds. Other company, product, or service names may be trademarks or service marks of others.
Appendix B. Regulatory information Export classification notice This product is subject to the United States Export Administration Regulations (EAR) and has an Export Classification Control Number (ECCN) of 4A994.b. It can be re-exported except to any of the embargoed countries in the EAR E1 country list. Electronic emissions notices The following information refers to Lenovo personal computer machine types 10BD and 10BL.
This product is in conformity with the protection requirements of EU Council Directive 2004/108/EC on the approximation of the laws of the Member States relating to electromagnetic compatibility. Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the installation of option cards from other manufacturers.
Japan VCCI Class B compliance statement Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase Lenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Brazil regulatory notice Ouvir sons com mais de 85 decibéis por longos períodos pode provocar danos ao sistema auditivo.
86 ThinkCentre E73z User Guide
Appendix C. WEEE and recycling information Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information on recycling Lenovo products, go to: http://www.lenovo.
Some Lenovo computer products sold in Japan may have components that contain heavy metals or other environmental sensitive substances. To properly dispose of disused components, such as a printed circuit board or drive, use the methods described above for collecting and recycling a disused computer or monitor.
Batteries or packaging for batteries are labeled in accordance with European Directive 2006/66/EC concerning batteries and accumulators and waste batteries and accumulators. The Directive determines the framework for the return and recycling of used batteries and accumulators as applicable throughout the European Union. This label is applied to various batteries to indicate that the battery is not to be thrown away, but rather reclaimed upon end of life per this Directive.
90 ThinkCentre E73z User Guide
Appendix D. Restriction of Hazardous Substances Directive (RoHS) European Union RoHS Lenovo products sold in the European Union, on or after 3 January 2013 meet the requirements of Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (“RoHS recast” or “RoHS 2”). For more information about Lenovo progress on RoHS, go to: http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.
Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management & Handling) Rules, 2011.
Appendix E.
94 ThinkCentre E73z User Guide
Appendix F. ENERGY STAR model information ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices. Lenovo is proud to offer our customers products with an ENERGY STAR compliant designation.
96 ThinkCentre E73z User Guide
Index A a rescue medium, creating and using Administrator, password 48 audio subsystem 1 B backup and recovery operations basic troubleshooting 59 40 42 front connectors, controls, indicators G getting help 77 information 77 service 77 C H cable lock, security 30 changing password 48 startup device sequence 49 cleaning an optical mouse 57 connector 9 connectors rear 9 connectors, controls, indicators front 8 considerations, passwords 48 creating and using a rescue medium 42 creating and using recove
optical mouse cleaning 57 P password Administrator 48 considerations 48 Power-On Password 48 setting, changing, deleting 48 passwords, using 47 physical specifications 4 power features 3 power-on self-test (POST) 53 Power-On, Password 48 programs, updating system 53 purchasing additional services 79 R rear connectors 9 recovering software 39 recovery operations, backup and 40 problems, solving 44 recovery media, creating and using 39 Rescue and Recovery 39 workspace, Rescue and Recovery 41 Rescue and Reco
