Service 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 base cover.

2 Remove the battery.

3 Remove the memory modules.

4 Remove the fan.

5 Remove the heat sink.

Procedure

1 Peel off the pieces of tape that secure the display cable and touch-screen

board-cable to the system board.