Back to Contents Page

System Board

Dell™ Latitude™ D800 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.

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 video card.
   
   
6. Remove the microprocessor thermal-cooling assembly.
   
   
7. Remove the microprocessor.
   
   
8. Remove the two M2.5 x 6-mm screws from the system board support.
   
   

1	M2.5 x 6-mm screws (2)
2	system board support

9. Disconnect the speaker cable.
   
   
10. Remove the three M2.5 x 4-mm screws.
    
    

1	M2.5 x 4-mm screws (3)
2	system board

11. Remove the M2.5 x 12-mm screw labeled "circle B" from the computer base.
    
    

1	M2.5 x 12-mm screw (1)

12. Remove the system board from the computer base.
    
    

1	system board
2	speaker connector
3	speakers

Installing the System Board

1. Perform 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.
   
   

Back to Contents Page