Your computer uses a coin-cell battery to maintain the date and time even while the computer is off. However, after several years, this battery may lose its
charge.
CAUTION:
Before working inside your computer, read the safety instructions in your System Information Guide.
1. Follow the procedures in
"Before You
2. Remove the access door beneath the battery.
3. Slide the coin-cell battery out of the tabs that hold it in place.
4. Grasp the coin-cell battery connector cable and disconnect it from the coin-cell battery socket.
5. Connect the new coin-cell battery to the socket.
NOTE:
The coin-cell battery connector and socket can only connect in one configuration. If you encounter resistance, check the configuration and try
again.
6. Slide the coin-cell battery under the tabs that hold it in place.
7. Reattach the access door and gently press down on the latch until you feel a click.