User Manual

Removing the system board

WARNING: Before working inside your computer, read the safety

information that shipped with your computer and follow the steps in 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.

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.

NOTE: Replacing the system board removes any changes you have made to

the BIOS using the BIOS setup program. You must make the appropriate

changes again after you replace the system board.

NOTE: Before disconnecting the cables from the system board, note the

location of the connectors so that you can reconnect the cables correctly

after you replace the system board.

Prerequisites

1 Remove the stand.

2 Remove the back cover.

3 Remove the hard drive.

4 Remove the system-board shield.

5 Remove the heat sink.

6 Remove the memory module.

7 Remove the wireless card.

Procedure

1 Push the tab and disconnect the display back-light cable from the system board.

2 Peel o the tape that secures the display cable from the connector on the

system board.