User Guide

System Board Assembly: Dell Latitude D531 Service Manual

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System Board Assembly

Dell™ Latitude™ D531 Service Manual

Removing the System Board Assembly

Replacing the System Board Assembly

Removing the System Board Assembly

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.

The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes media that provides a utility for transferring the Service Tag to the replacement system board.

Follow the instructions in Before Working Inside Your Computer.
Remove the media bay device (see Removing and Installing Media Bay Devices).
Remove the hard drive (see Removing the Hard Drive).
Remove any installed PC Cards (see Removing a PC Card or ExpressCard).
Remove the hinge cover (see Removing the Hinge Cover).
Remove the keyboard (see Removing the Keyboard).
Remove the display assembly (see Removing the Display Assembly).
Remove the palm rest (see Removing the Palm Rest).
Remove all memory modules (see Removing a Memory Module).
Remove the Mini-Card (see Removing the Mini-Card).
Remove the modem (see Removing the Modem).
Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly).
Remove the processor (see Removing the Processor Module).
Remove the fan (see Removing the Fan).
Remove the four 5-mm hex screws at the back of the computer.

Remove the four M2.5 x 5-mm screws from the top of the system board.

Lift the right side of the system board, and then carefully lift the system board out of the computer.

Replacing the System Board Assembly

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.

Insert the left side of the system board into the base of the computer at an angle until the audio connectors on the system board are aligned with the holes on the base of the computer, then carefully lower the system board into place.
Replace the four M2.5 x 5-mm screws on the top of the system board.
Replace the four 5-mm hex screws at the back of the computer.
Replace the fan (see Replacing the Fan).
Replace the processor (see Replacing the Processor Module).
Replace the processor thermal-cooling assembly (see Replacing the Processor Thermal-Cooling Assembly).
Replace the modem (see Replacing the Modem).
Replace the Mini-Card (see Replacing the Mini-Card).
Replace all memory modules (see Replacing a Memory Module).
Replace the palm rest (see Replacing the Palm Rest).
Replace the display assembly (see Replacing the Display Assembly).
Replace the keyboard (see Replacing the Keyboard).
Replace the hinge cover (see Replacing the Hinge Cover).
Replace any installed PC Cards (see Installing a PC Card or an ExpressCard).
Replace the hard drive (see Replacing the Hard Drive).
Replace the media bay device (see Removing and Installing Media Bay Devices).

NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

Turn on the computer.

NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD in order to set the computer to boot from the CD for one time only. Otherwise, you must enter the system setup program to change the default boot order.

Flash update the BIOS (see Flashing the BIOS for more information).
Enter the system setup program to update the BIOS on the new system board with the computer Service Tag.

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