Replacing CRUs 37
Replacing the coin-cell battery
Attention
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Your computer has a special type of memory that maintains the date, time, and settings for built-in features,
such as parallel connector assignments (congurations). A coin-cell battery keeps this information active
when you turn off the computer.
The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell
battery lasts forever. If the coin-cell battery fails, the date, time, and conguration information (including
passwords) are lost. An error message is displayed when you turn on the computer.
To replace the coin-cell battery,
1
Remove the computer cover. For details, see Removing the computer cover.
2
Remove the front bezel. For details, see Replacing the front bezel.
3
Pivot the drive bay assembly outward. For details, see Pivoting the drive bay assembly inward and outward.
4
Replace the coin-cell battery.
1 2
3 4
5
Reinstall the removed parts. To complete the replacement, see Completing the parts replacement.
To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” topic in the Safety and
Warranty Guide.