WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before You Begin.

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.

Disconnect the coin-cell battery cable from its connector on the system board.