Sony VGC-RC110G - Manual (Page 106)

106 n N
Upgrading Your VAIO Computer
Replacing the Lithium Battery
The lithium battery starts to weaken after several years and the system settings, such as the date and time stored in CMOS
RAM, may become inaccurate. Replace the lithium battery when this occurs.
!
There is danger of the battery exploding if it is replaced incorrectly. Replace the battery only with a CR2032-type lithium battery.
Replacing the Lithium Battery
To replace the lithium battery
1 Write down any changes you may have made to the settings in the BIOS Setup utility.
2 Remove the side panel.
See Opening the Computer
(page 94) for the detailed instructions.
3 If necessary, remove any cables, add-on cards, or other components to access the lithium battery.