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System Board

Dell™ Latitude™ D600 Service Manual

Removing the System Board

CAUTION: Before performing the following procedures, read the safety instructions in your System 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 sequence, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes a CD that provides a utility for transferring the Service Tag sequence to the replacement system board.

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.

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

1. Follow the instructions in "Preparing to Work Inside the Computer."
   
   
2. Remove the keyboard.
   
   
3. Remove the display assembly.
   
   
4. Remove the palm rest.
   
   
5. Remove the microprocessor thermal-cooling assembly.
   
   
6. Remove the microprocessor.
   
   
7. Remove the reserve battery cover.
   
   
8. Remove the one M2.5 x 8-mm screw and one M2.5 x 4-mm screw labeled "circle B."
   
   

1	M2.5 x 4-mm screw	6240E
2	M2.5 x 8-mm screw	3R690
3	system board	U0996

1

M2 x 3-mm screws (4)

4270E

9. Remove the four M2 x 3-mm screws labeled "circle B" that secure the system board to the computer base.
   
   
10. Pull out the system board starting from the front of the palm rest.
    
    

Installing the System Board

1. Follow all of the steps in "Removing the System Board" in reverse order.
   
   

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.

2. Turn on the computer.
   
   

NOTE: After replacing the system board, enter the computer Service Tag sequence into the BIOS of the replacement system board.

3. Insert the floppy disk or CD that accompanied the replacement system board into the appropriate drive. Follow the instructions that appear on the screen.
   
   

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