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Dell Inspiron 3670 Service Manual

Dell Inspiron 3670 Service Manual

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Inspiron 3670
Service Manual
Computer Model: Inspiron 3670
Regulatory Model: D19M
Regulatory Type: D19M005

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Summary of Contents for Dell Inspiron 3670

  • Page 1 Inspiron 3670 Service Manual Computer Model: Inspiron 3670 Regulatory Model: D19M Regulatory Type: D19M005...
  • Page 2 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. Other trademarks may be trademarks of their respective owners.
  • Page 3: Table Of Contents

    Contents 1 Before working inside your computer......................7 Before you begin ................................7 Safety instructions................................7 Recommended tools................................8 Screw list.....................................8 2 After working inside your computer....................... 9 3 Technical overview............................10 Inside view of your computer............................10 System board components.............................. 11 4 Removing the computer cover ........................12 Procedure..................................
  • Page 4 Procedure..................................25 13 Replacing the graphics card........................26 Procedure..................................26 Post-requisites..................................26 14 Removing the coin-cell battery........................27 Prerequisites..................................27 Procedure..................................27 15 Replacing the coin-cell battery........................28 Procedure..................................28 Post-requisites..................................28 16 Removing the wireless card........................29 Prerequisites..................................29 Procedure..................................29 17 Replacing the wireless card......................... 31 Procedure..................................31 Post-requisites..................................
  • Page 5 Procedure..................................42 25 Replacing the processor..........................43 Procedure..................................43 Post-requisites..................................43 26 Removing the 3.5-inch hard drive......................44 Prerequisites..................................44 Procedure..................................44 27 Replacing the 3.5-inch hard drive.......................45 Procedure..................................45 Post-requisites..................................45 28 Removing the 2.5-inch hard drive......................46 Prerequisites..................................46 Procedure..................................46 29 Replacing the 2.5-inch hard drive......................48 Procedure..................................48 Post-requisites..................................49 30 Removing the antenna modules.........................
  • Page 6 Reinstall Windows using a USB recovery drive......................73 Enhanced Pre-Boot System Assessment (ePSA) diagnostics................... 74 Running the ePSA diagnostics..........................74 Diagnostics..................................74 Flea power release................................75 Wi-Fi power cycle................................75 38 Getting help and contacting Dell........................ 76 Self-help resources................................76 Contacting Dell................................. 76 Contents...
  • Page 7: Before Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.
  • Page 8: Recommended Tools

    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.
  • Page 9: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, or cables you removed before working on your computer. Replace any media cards, discs, or any other parts that you removed before working on your computer.
  • Page 10: Technical Overview

    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 •...
  • Page 11: System Board Components

    System board components memory-module slots (2) SATA 2 cable connector (SATA 2) SATA 1 cable connector (SATA 1) coin-cell battery hard-drive power cable connector (SATA PWR) SATA 3 cable connector (SATA 3) SATA 0 cable connector (SATA 0) hard-drive power cable connector (SATA PWR) power-supply unit cable connector (ATX PWR) wireless-card slot service mode jumper...
  • Page 12: Removing The Computer Cover

    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 Place the computer on its side. Remove the two screws (#6-32x6.35) that secure the computer cover to the chassis.
  • Page 13: Replacing The Computer Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align the tabs on the computer cover with the slots on the chassis and slide it towards the front of the computer until it snaps into position.
  • Page 14: Removing The Front Bezel

    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...
  • Page 15 Removing the front bezel...
  • Page 16: Replacing The Front Bezel

    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: • Procedure • Post-requisites...
  • Page 17: Post-Requisites

    Post-requisites Replace the computer cover. Replacing the front bezel...
  • Page 18: Removing The Memory Module

    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...
  • Page 19 Removing the memory module...
  • Page 20: Replacing The Memory Module

    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: • Procedure • Post-requisites Procedure Align the notch on the memory module with the tab on the memory-module slot.
  • Page 21: Post-Requisites

    Post-requisites Replace the computer cover. Replacing the memory module...
  • Page 22: Removing The Solid-State Drive/Intel Optane

    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...
  • Page 23 Removing the solid-state drive/Intel Optane...
  • Page 24: Replacing The Solid-State Drive/Intel Optane

    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. Exercise care when handling the solid-state drive.
  • Page 25: Removing The Graphics Card

    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...
  • Page 26: Replacing The Graphics Card

    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: • Procedure • Post-requisites Procedure Ensure the securing tab on the system board is pushed away from the graphics-card slot.
  • Page 27: Removing The Coin-Cell Battery

    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. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
  • Page 28: Replacing The Coin-Cell Battery

    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: • Procedure • Post-requisites Procedure Insert the coin-cell battery into the battery socket with the positive side facing up, and snap the battery into place.
  • Page 29: Removing The Wireless Card

    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...
  • Page 30 Removing the wireless card...
  • Page 31: Replacing The Wireless Card

    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: • Procedure • Post-requisites Procedure Connect the antenna cables to the wireless card.
  • Page 32: Removing The Optical Drive

    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...
  • Page 33 Using a plastic scribe, push the tabs to release the optical-drive bezel from the optical drive. Gently pull and disconnect the optical-drive bezel from the optical drive. Removing the optical drive...
  • Page 34: Replacing The Optical Drive

    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: • Procedure • Post-requisites Procedure Align and replace the optical-drive bezel to the optical-drive tray.
  • Page 35: Post-Requisites

    Post-requisites Replace the computer cover. Replacing the optical drive...
  • Page 36: Removing The Power-Supply Unit

    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...
  • Page 37: Replacing The Power-Supply Unit

    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: • Procedure • Post-requisites Procedure Place the power-supply unit on the chassis, aligning the screw holes on the power-supply unit to the screw holes on the chassis.
  • Page 38: Removing The Processor Fan And Heat-Sink Assembly

    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. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 39 Disconnect the processor-fan cable from the system board. (FAN CPU) 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. Lift the processor fan and heat-sink assembly along with its cable off the system board. Removing the processor fan and heat-sink assembly...
  • Page 40: Replacing The Processor Fan And Heat-Sink Assembly

    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: • Procedure • Post-requisites Procedure Place and align the captive screws on the processor fan and heat-sink assembly with the screw holes on the system board.
  • Page 41: Post-Requisites

    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.
  • Page 42: Removing The Processor

    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...
  • Page 43: Replacing The Processor

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: If either the processor or the heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.
  • Page 44: Removing The 3.5-Inch Hard Drive

    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...
  • Page 45: Replacing The 3.5-Inch Hard Drive

    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: • Procedure • Post-requisites Procedure Place the hard drive on the chassis and align the screw holes on the hard drive with the screw holes on the chassis.
  • Page 46: Removing The 2.5-Inch Hard Drive

    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...
  • Page 47 Removing the 2.5-inch hard drive...
  • Page 48: Replacing The 2.5-Inch Hard Drive

    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: • Procedure • Post-requisites...
  • Page 49: Post-Requisites

    Post-requisites Replace the front bezel. Replace the computer cover. Replacing the 2.5-inch hard drive...
  • Page 50: Removing The Antenna Modules

    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...
  • Page 51: Replacing The Antenna Modules

    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: • Procedure • Post-requisites Procedure Using the alignment posts, adhere the antenna modules (2) to the chassis.
  • Page 52: Removing The System Board

    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. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 53 Remove the eight screws (#6-32x6.35) that secure the system board to the chassis. Remove the screw (#6-32x4.8, standoff) that secures the system board to the chassis. Remove the screw (#6-32x6.35) that secures the front-I/O bracket to the chassis. Remove the front-I/O bracket from the front-I/O slot on the chassis. Removing the system board...
  • Page 54 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. Lift the system board and remove it from the chassis. Removing the system board...
  • Page 55 Removing the system board...
  • Page 56: Replacing The System Board

    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. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 57 Replace the eight screws (#6-32x6.35) that secure the system board to the chassis. Replace the screw (#6-32x4.8, standoff) that secures the system board to the chassis. 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. Replace the screw (#6-32x6.35) that secures the front-I/O bracket to the chassis.
  • Page 58 Connect the power-supply unit cable (P1) to the system board (ATX CPU). Connect the hard-drive power cables to the system board (SATA PWR). Connect the hard-drive power cable to the system board (SATA PWR). Connect the hard-drive data cable to the system board (SATA 3). Connect the hard-drive cable to the system board (SATA 0).
  • Page 59: Post-Requisites

    Post-requisites Replace the processor. Replace the processor fan and heat-sink assembly. Replace the wireless card. Replace the graphics card. Replace the solid-state drive/Intel Optane memory. Replace the memory module. Replace the front bezel. Replace the computer cover. Replacing the system board...
  • Page 60: Downloading Drivers

    Downloading drivers Downloading the audio driver Turn on your computer. Go to www.dell.com/support. 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.
  • Page 61: Downloading The Usb Driver

    After Installation Downloading the USB driver Turn on your computer. Go to www.dell.com/support. 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.
  • Page 62: Downloading The Chipset Driver

    After Installation Downloading the chipset driver Turn on your computer. Go to www.dell.com/support. 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.
  • Page 63 Click View Drivers for My System. Click Download and Install to download and install all driver updates detected for your computer. Select a location to save the files. If prompted, approve requests from User Account Control to make changes on the system. The application installs all drivers and updates identified.
  • Page 64: System Setup

    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). During the Power-on Self Test (POST), when the Dell logo appears, you can: •...
  • Page 65: Bios Overview

    Entering BIOS setup program Turn on (or restart) your computer. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.
  • Page 66 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.
  • Page 67 SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. SupportAssist OS Recovery The SupportAssist OS Recovery option will enable or disable the boot flow for SupportAssist OS Recovery tool in the event of certain system errors.
  • Page 68: 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: Turn on your computer. Go to www.dell.com/support. Click Product support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
  • Page 69: System And Setup Password

    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.
  • Page 70: Deleting Or Changing An Existing System Setup Password

    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.
  • Page 71: Post-Requisites

    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.
  • Page 72: Post-Requisites

    Post-requisites Replace the computer cover. System and setup password...
  • Page 73: Troubleshooting

    Connect the USB recovery drive to your computer. Restart your computer. Press F12 after the Dell logo is displayed on the screen to access the boot menu. A Preparing one-time boot menu message appears. After the boot menu loads, select the USB recovery device under UEFI BOOT.
  • Page 74: Enhanced Pre-Boot System Assessment (Epsa) Diagnostics

    3.0. Running the ePSA diagnostics Power-on the computer. As the computer boots, press the F12 key as the Dell logo appears. On the boot menu screen, select the Diagnostics option. Click the arrow key at the bottom left corner. Diagnostics front page is displayed.
  • Page 75: Flea Power Release

    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.
  • Page 76: Getting Help And Contacting Dell

    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.

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