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 wireless card.
3 Follow the procedure from step 1 to step 3 in "Removing the hard drive".
4 Remove the solid-state drive.
5 Remove the rear-I/O cover.
6 Remove the computer base.
Procedure
1 Peel the tape to access the coin-cell battery cable on the system board.
2 Disconnect the coin-cell battery cable from the system board.
3 Note the cable routing and remove the coin-cell battery cable from the routing guide on the palm-rest assembly.
4 Gently peel o the coin-cell battery along with its cable o the palm-rest assembly.
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