Service Manual

Removing the system board

NOTE: 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.

Topics:

• Prerequisites

• Procedure

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 the tape that secures the display cable and touch-screen board-cable to the system board.

2. Peel the tape that secures the I/O-board cable to the system board.

56 Removing the system board