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.
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.
1. If available, peel off the tape that secures the coin-cell battery to the I/O board.
2. Using a plastic scribe, gently pry the coin-cell battery out of the battery socket on the I/O board.
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36 Removing the coin-cell battery
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