CMOS Battery Replacement
Remove the
1.Turn off and unplug the system unit and any external options connected to the system.
!CAUTION
Removing the battery from the system board causes the computer to lose system configuration information. If possible, run Setup and record the system configuration settings before removing the battery. Use the information to restore the system after replacing the battery.
2.Remove the system access cover.
3.Locate the battery and its socket on the system board (see the following figure).
Locating the Battery
A – Battery
4.Use fingers to carefully pull the battery up until it is clear to slide the battery out of the socket.
!WARNING
The battery can explode if it is incorrectly replaced or improperly discarded. Use only the same type battery or an equivalent type recommended by the manufacturer when replacing the battery.
Lithium acts as a catalyst when exposed to water and causes spontaneous combustion on contact. Discard used batteries according to the manufacturer’s instructions.
