Coin-cell battery
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 optical drive (applicable only to computers shipped with optical drive).
2. Remove the base cover.
Procedure
CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. Before removing the
coin-cell battery, it is recommended to note the BIOS setup program’s settings.
Using a plastic scribe, gently pry the coin-cell battery out of the battery socket on the system board.
Replacing 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.
Procedure
With the positive-side facing up, snap the coin-cell battery into the battery socket on the system board.
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Removing and installing components