Service Manual

Removing the coin-cell battery

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.

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

wireless card.

3. Remove the solid-state drive.

4. Remove the rear-I/O cover.

5. Remove the computer base.

Procedure

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

2. Peel off the tape that secures the coin-cell battery cable to the system board.

3. Peel off the tape that secures the coin-cell battery to the palm-rest assembly.

4. Note the cable routing and remove the coin-cell battery cable from the routing guide on the palm-rest assembly.

5. Gently peel off the coin-cell battery along with its cable off the palm-rest assembly.