38 | Removing the Coin-Cell Battery
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" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
WARNING: The battery may explode if installed incorrectly. Replace the battery
only with the same or equivalent type. Discard used batteries according to the
manufacturer’s instructions.
CAUTION: Removing the coin-cell battery resets the BIOS settings to default.
It is recommended that you note the BIOS settings before removing the
coin-cell battery.
Prerequisites
1Remove the base cover. See "Removing the Base Cover" on page 10.
2Disconnect the power-light board cable from the system board. See "Removing the
Power-Light Board" on page 12.
3Remove the battery. See "Removing the Battery" on page 14.
4Remove the wireless card. See "Removing the Wireless Card" on page 19.
5Remove the solid-state drive. See "Removing the Solid-State Drive" on page 21.
6Remove the heat sink. See "Removing the Heat Sink" on page 24.
7Remove the fan. See "Removing the Fan" on page 26.
8Remove the system board. See "Removing the System Board" on page 34.