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Dell Inspiron 3662 Service Manual
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Dell Inspiron 3662 Service Manual

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Inspiron 3662
Service Manual
Computer Model: Inspiron 3662
Regulatory Model: D20M
Regulatory Type: D20M002

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Summary of Contents for Dell Inspiron 3662

  • Page 1 Inspiron 3662 Service Manual Computer Model: Inspiron 3662 Regulatory Model: D20M Regulatory Type: D20M002...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2016 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 Before working inside your computer......8 ..................8 Before you begin After working inside your computer....... 9 Safety instructions............10 Recommended tools.............12 Screw list..............13 Inside view of your computer........14 System board components...........15 Removing the computer cover ........17 ....................17 Procedure Replacing the computer cover ........19 ....................
  • Page 4 Removing the memory modules........24 ................... 24 Prerequisites ....................24 Procedure Replacing the memory modules........27 ....................27 Procedure ..................28 Post-requisites Removing the 3.5-inch hard drive........29 ................... 29 Prerequisites ....................29 Procedure Replacing the 3.5-inch hard drive........ 34 ....................34 Procedure ..................
  • Page 5 Removing the wireless card......... 45 ................... 45 Prerequisites ....................45 Procedure Replacing the wireless card......... 48 ....................48 Procedure ..................49 Post-requisites Removing the antenna modules........50 ................... 50 Prerequisites ....................50 Procedure Replacing the antenna modules........53 ....................53 Procedure ..................53 Post-requisites Removing the power-button module......54...
  • Page 6 Removing the processor heat-sink.......62 ................... 62 Prerequisites ....................62 Procedure Replacing the processor heat-sink.......64 ....................64 Procedure ..................64 Post-requisites Removing the front I/O-panel........65 ................... 65 Prerequisites ....................65 Procedure Replacing the front I/O-panel........68 ....................68 Procedure ..................68 Post-requisites Removing the system board........69 ...................
  • Page 7 ..................76 Prerequisites ..................76 Procedure .................. 77 Post-requisites Flashing the BIOS............78 Getting help and contacting Dell........79 ................. 79 Self-help resources ..................79 Contacting Dell...

  • Page 8: Before Working Inside Your Computer

    Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin Save and close all open files and exit all open applications. Shut down your computer. Click Start → Power →...

  • 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.

  • Page 10: Safety Instructions

    CAUTION: 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/...

  • Page 12: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe...

  • Page 13: Screw List

    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 #6–32 UNC 1/4'' Hard drive Side-chassis #6–32 UNC 1/4'' Hard drive Hard-drive bracket #6–32 UNC 3.6 Side-chassis...

  • Page 14: Inside View Of Your Computer

    Inside view of your computer system board processor fan and heat-sink assembly memory module I/O board optical drive hard-drive assembly side chassis wireless card...

  • Page 15: System Board Components

    System board components power-button cable connector coin-cell battery I/O-cable connector memory-module (slot 2) hard-drive and optical drive power- wireless-card slot cable connector hard-drive data cable connector optical-drive data cable connector processor-fan cable connector service mode jumper password clear jumper CMOS clear jumper...
  • Page 16 memory-module (slot 1)

  • Page 17: 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 Remove the two screws (#6–32 UNC 1/4'') that secure the cover to the chassis.
  • Page 18 Release the computer cover by sliding it towards the back of the computer and lift the cover off the chassis.

  • Page 19: 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.

  • Page 20: 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. Prerequisites Remove the computer cover. Procedure Place the computer in an upright position.
  • Page 21 Grasp and release the front bezel tabs sequentially from the top, by moving them outward from the chassis.
  • Page 22 Rotate and pull the front bezel away from the front of the computer to release the front bezel clamps from the front panel slots.

  • Page 23: Replacing The Front Bezel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align and insert the front bezel clamps into the front panel slots. Rotate the front bezel towards the chassis until the front-bezel tabs snap into place.

  • Page 24: Removing The Memory 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. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 25 Lift and rotate the side-chassis away from the computer. Using your fingertips, spread apart the securing clip at each end of the memory- module slot until the memory module pops up.
  • Page 26 Slide and remove the memory module from the memory-module slot. NOTE: If the memory module is difficult to remove, gently ease the memory module back and forth to remove it from the slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges.

  • Page 27: Replacing The Memory Modules

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Ensure that the securing clips are extended away from the memory-module slot. Align the notch on the memory module with the tab on the memory-module slot.

  • Page 28: Post-Requisites

    Insert the memory module into the memory-module slot and press the memory module down until it clicks into place. Rotate the side-chassis towards the computer until it snaps into place. Post-requisites Replace the front bezel. Replace the computer cover.

  • Page 29: 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. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 30 Disconnect the power cable from the hard drive.
  • Page 31 Lift and rotate the side-chassis away from the computer.
  • Page 32 Using the release tabs on the hard-drive assembly, slide the hard-drive assembly out of the slot on the side-chassis. Remove the four screws (#6–32 UNC 3.6 mm) that secure the hard-drive bracket to the hard drive.
  • Page 33 Lift the hard drive off the hard-drive bracket.

  • Page 34: Replacing The 3.5-Inch Hard Drive

    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 hard drive in the hard-drive bracket. Align the screw holes on the hard drive with the screw holes on the hard-drive bracket.

  • Page 35: 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. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 36 Lift and rotate the side-chassis away from the computer. Disconnect the power cable from the optical drive.
  • Page 37 Disconnect the data cable from the optical drive. Rotate the side-chassis towards the computer until it snaps into place. Remove the screw (#6–32 UNC 3.6 mm) that secures the optical-drive assembly to the side-chassis.
  • Page 38 Gently slide the optical-drive assembly out of the optical-drive bay through the front of the computer. Remove the three screws (M2xL2) that secure the optical-drive bracket to the optical drive.
  • Page 39 Lift the optical-drive bracket off the optical drive. 10 Gently pull and disconnect the optical-drive bezel from the optical drive.

  • Page 40: Replacing The Optical Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Align and snap the optical-drive bezel to the optical drive. Align the screw holes on the optical-drive bracket with the screw holes on the optical drive.

  • Page 41: Removing The Coin-Cell Battery

    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 42 Lift and rotate the side-chassis away from the computer.
  • Page 43 Using a plastic scribe, pry the coin-cell battery out of its socket.

  • Page 44: Replacing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Insert a new coin-cell battery (CR2032) into the battery socket with the positive side facing up, and snap the battery into place.

  • Page 45: 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. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 46 Lift and rotate the side-chassis away from the computer. Remove the screw (M2xL3.5) that secures the wireless card to the system board. Lift the wireless-card bracket off the wireless card. Disconnect the antenna cables from the wireless card.
  • Page 47 Slide and remove the wireless card from the wireless-card slot.

  • Page 48: Replacing The Wireless Card

    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 notch on the wireless card with the tab on the wireless-card slot. Slide the wireless card at an angle into the wireless-card slot.

  • Page 49: Post-Requisites

    Replace the screw (M2xL3.5) that secures the wireless card to the system board. Rotate the side-chassis towards the computer until it snaps into place. Post-requisites Replace the front bezel. Replace the computer cover.

  • 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. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 51 Push down the antenna cables through the cable-routing slots on the side- chassis. Rotate the side-chassis towards the computer until it snaps into place. Note the antenna-cable routing and remove the antenna cables from the routing guides on the side-chassis.
  • Page 52 Using a plastic scribe, gently pry the antenna modules off the side-chassis.

  • Page 53: Replacing The Antenna Modules

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Adhere the antenna modules to the side-chassis. Route the antenna cables through the routing guides on the side-chassis.

  • Page 54: Removing The Power-Button 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. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 55 Lift and rotate the side-chassis away from the computer. Disconnect the power-button cable from the system board. Press the tab on the power-button module to release the module from the front panel.
  • Page 56 Remove the power-button module along with its cable through the slot on the front panel.

  • Page 57: Replacing The Power-Button Module

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Route the power-button board cable through the slot on the front panel. Align and snap the power-button module into the slot on the front panel.

  • Page 58: Removing The Processor Fan

    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. Remove the front bezel.
  • Page 59 Lift and rotate the side-chassis away from the computer. Disconnect the processor-fan cable from the system board. Note the location of the fan on the heat sink assembly. Remove the four screws (M6xL10) that secure the processor fan to the heat sink.
  • Page 60 Lift the processor fan off the heat sink.

  • Page 61: Replacing The Processor Fan

    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 Align the screw holes on the processor fan with the screw holes on the heat sink.

  • Page 62: Removing The Processor Heat-Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.
  • Page 63 Lift the processor heat sink off system board.

  • Page 64: Replacing The Processor Heat-Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.

  • Page 65: Removing The Front I/O-Panel

    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. Remove the front bezel.
  • Page 66 Lift and rotate the side-chassis away from the computer. Disconnect the I/O-board cable from the I/O board. Remove the two screws (#6–32 UNC 1/4'') that secure the I/O board to the chassis.
  • Page 67 Lift the I/O board off the chassis.

  • Page 68: Replacing The Front I/O-Panel

    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 I/O board in the slot on the chassis. Align the screw holes on the I/O board with the screw holes on the chassis.

  • Page 69: 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 70 Disconnect the hard-drive and optical-drive power cable from the system board. Disconnect the I/O-board cable from the system board. Disconnect the power-button cable from the system board. Remove the four screws (#6–32 UNC 1/4'') that secure the system board to the chassis.
  • Page 71 Lift the system board at an angle and remove it from the chassis.

  • Page 72: 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 73: Bios Setup Program

    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 74 Lift and rotate the side-chassis away from the computer. Locate the password jumper (PSWD) on the system board. NOTE: For more information on the location of the jumper, see “System-board components”. Remove the jumper plug from the password jumper-pins.

  • Page 75: 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.

  • Page 76: Prerequisites

    Prerequisites Remove the computer cover. Remove the front bezel. Procedure Place the computer with the side-chassis facing up. Lift and rotate the side-chassis away from the computer. Locate the CMOS jumper (CMCL R2) on the system board. NOTE: For more information on the location of the jumper, see “System-board components”.

  • Page 77: Post-Requisites

    Wait for 5 seconds and then replace the jumper plug to its original location. Rotate the side-chassis towards the computer until it snaps into place. Post-requisites Replace the front bezel. Replace the computer cover.

  • Page 78: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. 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.

  • Page 79: 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 2. Self-help resources Information about Dell products and www.dell.com services Dell Help & Support app Get started app...
  • Page 80 NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

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