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
stability foot.
2. Remove the left and right side-panels. See “
Removing the side panels”.
3. If you have multiple graphics cards installed, remove the graphics card. See “Removing multiple graphics cards”.
Procedure
1. Lay the chassis on the right side.
2. Locate the coin-cell battery on the system board.
3. Push the coin-cell battery-release lever.
4. Remove the coin-cell battery.
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