Coin-cell battery
Removing the coin-cell battery
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the left-side cover.
About this task
NOTE: 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 battery.
NOTE: After a service incident where the system board is replaced, or when the coin-cell battery is replaced an RTC reset
cycle will occur. When an RTC Reset cycle occurs, the computer turns on and off three times. An "Invalid Configuration"
error message is displayed prompting you to enter the BIOS and configure the date and time. The computer starts
functioning normally after setting the date and time.
The following image(s) indicate the location of the coin-cell battery and provides a visual representation of the removal
procedure.
Steps
1. Lay the computer with its left side facing up.
2. Using a plastic scribe, push the coin-cell battery securing-clip on the coin-cell battery socket to release the coin-cell battery
out of the slot on the system board.
3. Lift the coin-cell battery off its slot on the system board.
Installing the coin-cell battery
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
22
Removing and installing components
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