Service Manual

Removing the coin-cell battery

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.

CAUTION: Removing the coin-cell battery resets the BIOS setup program’s

settings to default. It is recommended that you note the BIOS setup

program’s settings before removing the coin-cell battery.

Prerequisites

1 Remove the base cover.

2 Remove the top cover.

3 Remove the hard drive.

4 Remove the processor fan.

5 Remove the video-card fan.

6 Remove the wireless card.

7 Remove the system board.

Procedure

1 Turn the system board over.

2 Disconnect the coin-cell battery cable from the system board.