Inspiron 3670 Service Manual Computer Model: Inspiron 3670 Regulatory Model: D19M Regulatory Type: D19M005
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents 1 Before working inside your computer............................................................................................................. 7 Before you begin ................................................................................................................................................................7 Safety instructions............................................................................................................................................................
Procedure..........................................................................................................................................................................25 13 Replacing the graphics card....................................................................................................................... 26 Procedure........................................................................................................................................................................
Procedure..........................................................................................................................................................................42 25 Replacing the processor............................................................................................................................ 43 Procedure.......................................................................................................................................................................
BIOS overview..................................................................................................................................................................65 Entering BIOS setup program........................................................................................................................................ 65 System Setup Options...................................................................................................................................................
1 Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Before you begin • Safety instructions • Recommended tools • Screw list Before you begin 1 Save and close all open files and exit all open applications. 2 Shut down your computer. Click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.
CAUTION: Press and eject any installed card from the media-card reader. Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver #1 • Plastic scribe Screw list The following table provides the list of screws that are used for securing different components to the computer. Table 1. Screw list Component Secured to Screw type Quantity Computer cover Chassis #6-32x6.35 2 Solid-state drive/Intel Optane memory System board M2x3.
2 After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and ensure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, or cables you removed before working on your computer. 3 Replace any media cards, discs, or any other parts that you removed before working on your computer. 4 Connect your computer and all attached devices to their electrical outlets.
3 Technical overview WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Inside view of your computer • System board components Inside view of your computer Figure 1.
System board components 1 memory-module slots (2) 2 SATA 2 cable connector (SATA 2) 3 SATA 1 cable connector (SATA 1) 4 coin-cell battery 5 hard-drive power cable connector (SATA PWR) 6 SATA 3 cable connector (SATA 3) 7 SATA 0 cable connector (SATA 0) 8 hard-drive power cable connector (SATA PWR) 9 power-supply unit cable connector (ATX PWR) 10 wireless-card slot 11 service mode jumper 12 CMOS clear jumper 13 password clear jumper 14 M.
4 Removing the computer cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Place the computer on its side. 2 Remove the two screws (#6-32x6.
5 Replacing the computer cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
6 Removing the front bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
Removing the front bezel 15
7 Replacing the front bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
Post-requisites Replace the computer cover.
8 Removing the memory module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
Removing the memory module 19
9 Replacing the memory module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
Post-requisites Replace the computer cover.
10 Removing the solid-state drive/Intel Optane WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
Removing the solid-state drive/Intel Optane 23
11 Replacing the solid-state drive/Intel Optane WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Solid-state drives are fragile.
12 Removing the graphics card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
13 Replacing the graphics card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
14 Removing the coin-cell battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default.
15 Replacing the coin-cell battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
16 Removing the wireless card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
Removing the wireless card
17 Replacing the wireless card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
18 Removing the optical drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
6 Using a plastic scribe, push the tabs to release the optical-drive bezel from the optical drive. 7 Gently pull and disconnect the optical-drive bezel from the optical drive.
19 Replacing the optical drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
Post-requisites Replace the computer cover.
20 Removing the power-supply unit WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites Remove the computer cover.
21 Replacing the power-supply unit WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
22 Removing the processor fan and heat-sink assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. WARNING: The heat sink may become hot during normal operation.
3 Disconnect the processor-fan cable from the system board. (FAN CPU) 4 In reversed order (as indicated on the system board), loosen the four captive screws that secure the processor fan and heat-sink assembly to the system board. 5 Lift the processor fan and heat-sink assembly along with its cable off the system board.
23 Replacing the processor fan and heat-sink assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
4 Place the fan shroud on the processor fan and heat-sink assembly. Then press down on the fan shroud and snap it into place. NOTE: Ensure that the "Rear Facing" etching on the fan shroud faces the back of the computer before snapping the fan shroud into place. Post-requisites Replace the computer cover.
24 Removing the processor WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1 Remove the computer cover.
25 Replacing the processor WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
26 Removing the 3.5-inch hard drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1 Remove the computer cover.
27 Replacing the 3.5-inch hard drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
28 Removing the 2.5-inch hard drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1 Remove the computer cover.
Removing the 2.
29 Replacing the 2.5-inch hard drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
Post-requisites 1 Replace the front bezel. 2 Replace the computer cover. Replacing the 2.
30 Removing the antenna modules WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Topics: • Prerequisites • Procedure Prerequisites 1 Remove the computer cover.
31 Replacing the antenna modules WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
32 Removing the system board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
9 Remove the eight screws (#6-32x6.35) that secure the system board to the chassis. 10 Remove the screw (#6-32x4.8, standoff) that secures the system board to the chassis. 11 Remove the screw (#6-32x6.35) that secures the front-I/O bracket to the chassis. 12 Remove the front-I/O bracket from the front-I/O slot on the chassis.
13 Lift the system-board and slide it toward the front-I/O slot, releasing the back-I/O ports from the back-I/O bracket. 14 Lift the system board and remove it from the chassis.
Removing the system board 55
33 Replacing the system board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
3 Replace the eight screws (#6-32x6.35) that secure the system board to the chassis. 4 Replace the screw (#6-32x4.8, standoff) that secures the system board to the chassis. 5 Slide the front-I/O bracket into the front-I/O slot, aligning the screw hole on the front-I/O board to the screw hole on the chassis. 6 Replace the screw (#6-32x6.35) that secures the front-I/O bracket to the chassis.
7 Connect the power-supply unit cable (P1) to the system board (ATX CPU). 8 Connect the hard-drive power cables to the system board (SATA PWR). 9 Connect the hard-drive power cable to the system board (SATA PWR). 10 Connect the hard-drive data cable to the system board (SATA 3). 11 Connect the hard-drive cable to the system board (SATA 0). 12 Connect the hard-drive data cable to the system board (SATA 1). 13 Connect the optical-drive data cable to the system board (SATA 2).
Post-requisites 1 Replace the processor. 2 Replace the processor fan and heat-sink assembly. 3 Replace the wireless card. 4 Replace the graphics card. 5 Replace the solid-state drive/Intel Optane memory. 6 Replace the memory module. 7 Replace the front bezel. 8 Replace the computer cover.
34 Downloading drivers Downloading the audio driver 1 Turn on your computer. 2 Go to www.dell.com/support. 3 Enter the Service Tag of your computer, and then click Submit. 4 Click Drivers & downloads. 5 Click the Detect Drivers button. 6 Review and agree to the Terms and Conditions to use SupportAssist, then click Continue. 7 If necessary, your computer starts to download and install SupportAssist. 8 Click View Drivers for My System.
4 Click Drivers & downloads. 5 Click the Detect Drivers button. 6 Review and agree to the Terms and Conditions to use SupportAssist, then click Continue. 7 If necessary, your computer starts to download and install SupportAssist. 8 Click View Drivers for My System. 9 Click Download and Install to download and install all driver updates detected for your computer. 10 Select a location to save the files. 11 If prompted, approve requests from User Account Control to make changes on the system.
17 Double-click the USB driver file icon and follow the instructions on screen to install the driver. Table 4. USB controller status in Device Manager Before Installation After Installation Downloading the chipset driver 1 Turn on your computer. 2 Go to www.dell.com/support. 3 Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model. 4 Click Drivers & downloads.
8 Click View Drivers for My System. 9 Click Download and Install to download and install all driver updates detected for your computer. 10 Select a location to save the files. 11 If prompted, approve requests from User Account Control to make changes on the system. 12 The application installs all drivers and updates identified. NOTE: Not all files can be installed automatically. Review the installation summary to identify if manual installation is necessary.
35 System setup NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. Topics: • Boot Sequence • Navigation keys • BIOS overview • Entering BIOS setup program • System Setup Options • Flashing the BIOS Boot Sequence Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive).
Keys Navigation NOTE: For the standard graphics browser only. Esc Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. BIOS overview CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly.
Main Memory Speed Displays the memory speed. Table 7. System setup options—Advanced menu Advanced Advanced BIOS Features Intel SpeedStep Technology Enables you to enable or disable Intel Speedstep Technology. Default: Enabled NOTE: If enabled, the processor clock speed and core voltage are adjusted dynamically based on the processor load. Virtualization Enables you to enable or disable Intel Virtualization Technology feature for the processor.
Advanced USB Wake Support Enables you to enable the USB devices to wake the computer from Standby. Numlock Key Enables you to set the status of the Numlock key during boot to On or Off. Default: Disabled SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool.
Table 9. System setup options—Boot menu Boot Boot List Option Displays the available boot devices. File Browser Add Boot Option Enables you to set the boot path in the boot option list. File Browser Del Boot Option Enables you to delete the boot path in the boot option list. Secure Boot Enables you to enable or disable the secure boot control. Default: Disabled Boot Option Priorities Displays the available boot devices. Boot Option #1 Displays the first boot device.
36 System and setup password Table 11. System and setup password Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. You can create a system password and a setup password to secure your computer. CAUTION: The password features provide a basic level of security for the data on your computer.
Deleting or changing an existing system setup password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. To enter the System Setup, press F2 immediately after a power-on or reboot. 1 In the System BIOS or System Setup screen, select System Security and press Enter. The System Security screen is displayed.
Post-requisites Replace the computer cover. Clearing CMOS Settings WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the computer cover.
Post-requisites Replace the computer cover.
37 Troubleshooting Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: 1 Turn on your computer. 2 Go to www.dell.com/support. 3 Click Product support, enter the Service Tag of your computer, and then click Submit. 4 Click Drivers & downloads > Find it myself. 5 Select the operating system installed on your computer. 6 Scroll down the page and expand BIOS.
Enhanced Pre-Boot System Assessment (ePSA) diagnostics CAUTION: Use the ePSA diagnostics to test only your computer. Using this program with other computers may cause invalid results or error messages. The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the BIOS and is launched by the BIOS internally.
Number of LED flashes Problem description 2 amber, 4 amber CMOS battery failure Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release: 1 Turn off your computer. 2 Disconnect the power adapter from your computer. 3 Press and hold the power button for 15 seconds to drain the flea power.
38 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 13. Self-help resources Information about Dell products and services www.dell.com Dell Help & Support app Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.com/support/windows www.dell.
