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 wireless card.

4. Follow the procedure from "Removing the hard drive" (Only for computers shipped with a hard drive).

5. Remove the memory module.

Procedure

1. Open the latch and disconnect the I/O-board cable from the system board.

2. Disconnect the coin-cell battery and speaker cables from the system board.

Removing the system board 53