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.