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Dell Latitude D631 Service Manual
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Dell Latitude D631 Service Manual

Dell Latitude D631 Service Manual

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Dell™ Latitude™ D631 Service Manual
Before You Begin
Using Cards
Media Bay Devices
Hard Drive
Hinge Cover
Keyboard
Memory
Display Assembly
Internal Card With Bluetooth® Wireless Technology
Communications Cards
Model PP18L
 Notes, Notices, and Cautions
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
NOTICE:
A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION:
A CAUTION indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2007 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation; Bluetooth is a
registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
April 2007 Rev. A00
Coin-Cell Battery
Palm Rest
Modem
Processor Thermal-Cooling Assembly
Processor
PC Card Reader
Speaker
System Board
Fan
Flashing the BIOS

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  • Page 1 Bluetooth SIG, Inc. and is used by Dell under license. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

  • Page 2: Before You Begin

     You have performed the steps in Turning Off Your Computer.  You have read the safety information in the Dell Product Information Guide.  A component can be replaced or—if purchased separately—installed by performing the removal procedure in reverse order.  Recommended Tools The procedures in this document may require the following tools:  Small flat-blade screwdriver...
  • Page 3 NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket.

  • Page 4: Flashing The Bios From A Cd

    1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.   2. Turn on the computer.   3. Locate the latest BIOS update file for your computer at support.dell.com.   4. Click Download Now to download the file.  ...

  • Page 5: Internal Card With Bluetooth® Wireless Technology

    Back to Contents Page   Internal Card With Bluetooth® Wireless Technology Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
  • Page 6   6. Lift the card from the compartment, ensuring that you do not pull on the card cable with excessive force.   7. Disconnect the card from the cable and remove the card from the computer. Back to Contents Page  ...

  • Page 7: Pc Card Reader

    Back to Contents Page   PC Card Reader Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 8: Coin-Cell Battery

    Back to Contents Page   Coin-Cell Battery Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 9: Removing The Processor

    Back to Contents Page   Processor Dell™ Latitude™ D631 Service Manual   Removing the Processor   Installing the Processor  Removing the Processor   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
  • Page 10   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 11: Removing The Display Assembly

    Back to Contents Page   Display Assembly Dell™ Latitude™ D631 Service Manual   Removing the Display Assembly   Removing the Display Bezel   Removing the Display Panel   Removing the Display Panel Brackets   Removing the Display Panel Cable   Removing the Display Hinges  Removing the Display Assembly   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 12: Removing The Display Bezel

    9. Turn the computer upside down with the back of the computer facing you.   10. From the back of the computer, remove the two M2.5 x 8-mm screws.   11. From the bottom of the computer, remove the two M2.5 x 8-mm screws labeled "D."  ...

  • Page 13: Removing The Display Panel

    1 screw covers/display bumpers (6) 2 M2.5 x 5-mm shoulder screws (6) 3 display bezel 4 display panel 5 display back cover       4. Remove the six M2.5 x 5-mm shoulder screws from the front of the bezel. NOTICE: Carefully separate the bezel from the display back cover to avoid damage to the bezel.

  • Page 14: Removing The Display Panel Brackets

      CAUTION: To avoid damage to your display panel, handle the panel by the bracket tabs only.   5. Lift the display panel a few inches from the display back cover.   6. Draw the LED ribbon-cable release tab away from the display back cover to release the ribbon cable, and lift the display panel fully from the display back cover.

  • Page 15: Removing The Display Hinges

      7. Squeeze the flex cable release levers at either side of the top flex cable connector, releasing the connector. 1 top flex cable 2 flex cable release levers 3 back of display panel connector 4 inverter board 5 bottom flex cable 6 pull tab on bottom flex cable connector connector...
  • Page 17 Back to Contents Page   Fan Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 18: Hard Drive

    To avoid damaging the hard drive, handle the drive with care. NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: You need the Operating System installation media to install the Microsoft® Windows® operating system. You also need the Drivers and Utilities media for your computer to install the drivers and utilities on a new hard drive.

  • Page 19: Hinge Cover

    Back to Contents Page   Hinge Cover Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 20: Removing The Keyboard

    Back to Contents Page   Keyboard Dell™ Latitude™ D631 Service Manual   Removing the Keyboard   Replacing the Keyboard  Removing the Keyboard   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
  • Page 21 CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer. NOTICE: To avoid scratching the palm rest when replacing the keyboard, hook the tabs along the front edge of the keyboard into the palm rest, and then secure the keyboard in place.
  • Page 22 If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.
  • Page 23 securing clip (2) memory module     NOTICE: Insert memory modules at a 45-degree angle to avoid damaging the connector.   5. Ground yourself and install the new memory module: a.  Align the notch in the module edge connector with the tab in the connector slot. b.
  • Page 24 securing clip (2) memory module     NOTICE: Insert memory modules at a 45-degree angle to avoid damaging the connector.   4. Ground yourself and install the new memory module: a.  Align the notch in the module edge connector with the tab in the connector slot. b.

  • Page 25: Communications Cards

    Back to Contents Page   Communications Cards Dell™ Latitude™ D631 Service Manual   Wireless Local Area Network (WLAN) Card   Mobile Broadband Network (WWAN) Card   Subscriber Identity Module (SIM) Card  Wireless Local Area Network (WLAN) Card   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 26: Mobile Broadband Network (Wwan) Card

    WLAN card metal securing tabs (2)     NOTICE: To avoid damaging the WLAN card, never place cables on top of or under the card.   5. To install a WLAN card: a.  Move any antenna cables out of the way to make space for the WLAN card. b.
  • Page 27 If you ordered a Mobile Broadband network card with your computer, the card is already installed.   1. Follow the procedures in Before You Begin.   2. Remove the hinge cover (see Hinge Cover).   3. Remove the keyboard (see Removing the Keyboard).

  • Page 28: Subscriber Identity Module (Sim) Card

    NOTICE: To avoid damaging the Mobile Broadband network card, never place cables on top of or under the card and ensure that you route the cables properly. b.  Insert the card into the system board connector at a 45-degree angle, and press the card into the metal securing tabs until you feel a click. Mobile Broadband network card antenna cables (2)  ...
  • Page 29 Back to Contents Page  ...
  • Page 30 Back to Contents Page   Modem Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 31: Media Bay Devices

    Back to Contents Page   Media Bay Devices Dell™ Latitude™ D631 Service Manual NOTICE: To prevent damage to devices, store them in a safe, dry place when they are not installed in the computer. Avoid pressing down on them or placing heavy objects on top of them.

  • Page 32: Palm Rest

    Back to Contents Page   Palm Rest Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
  • Page 33 NOTICE: Carefully separate the palm rest from the base to avoid damage to the palm rest.   11. Turn the computer top-side up and remove the palm rest. a.  Starting at the back center of the palm rest, use your fingers to separate the palm rest from the base by lifting the inside edge of the palm rest. b.

  • Page 34: Using Cards

    Back to Contents Page   Using Cards Dell™ Latitude™ D631 Service Manual   Card Types   Removing a PC Card or Blank   Installing a PC Card or an ExpressCard   Removing a Smart Card   Installing a Smart Card  Card Types   PC Cards See "Specifications" in your User's Guide for information on supported PC Cards.

  • Page 35: Installing A Pc Card Or An Expresscard

    CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: Use the PC Card configuration utility (click the icon in the taskbar) to select a card and stop it from functioning before you remove it from the computer.

  • Page 36: Removing A Smart Card

    slot ExpressCard      Removing a Smart Card   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTE: You can remove a smart card from the computer while the computer is running. Grasp the smart card by the edge with your fingers, and then pull the card straight out of the computer.
  • Page 37 the slot. If you encounter too much resistance, do not force the card. Check the card orientation and try again. smart card blank         Back to Contents Page  ...
  • Page 38 Back to Contents Page   Speaker Dell™ Latitude™ D631 Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.

  • Page 39: Removing The System Board

    Back to Contents Page   System Board Dell™ Latitude™ D631 Service Manual   Removing the System Board   Installing the System Board  Removing the System Board   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 40: Installing The System Board

      17. Remove the four 5-mm hex screws on the back of the computer.   18. Lift the system board out and away from the base. fan cable system board base antenna connector antenna connector      Installing the System Board  ...

  • Page 41: Removing The Processor Thermal-Cooling Assembly

    Back to Contents Page   Processor Thermal-Cooling Assembly Dell™ Latitude™ D631 Service Manual   Removing the Processor Thermal-Cooling Assembly   Replacing the Processor Thermal-Cooling Assembly  Removing the Processor Thermal-Cooling Assembly   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 42   1. Peel the backing off the thermal cooling pad and adhere the pad to the portion of the thermal-cooling assembly that covers the processor.   2. Place the assembly on the system board.   3. Tighten in consecutive order the four captive screws, labeled "1" through "4," on the thermal-cooling assembly.  ...
  • Page 43 Bluetooth SIG, Inc. and is used by Dell under license. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

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