Sony PCV-RS100 Manual

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.

1

Write down any changes you may have made to the settings in the 
BIOS Setup utility. 

2

Shut down your computer and turn off all peripheral devices, such as 
your printer. 

3

Unplug your computer and any peripheral devices.

4

Remove the cover. See 

.

5

If necessary, remove any cables, add-on cards, or other components to 
access the lithium battery.

6

Remove the old battery and install the new battery with the plus (+) 
side up.

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