Replacing^he lithium battery, To replace the lithium battery, Replacing the lithium battery – Sony PCV-90 User Manual
Page 104
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Replacing the Lithium Battery
Replacing^he Lithium Battery
After several years, when the lithium battery starts to weaken, the system
settings stored in CMOS RAM, such as the date and time, may be wrong.
When this occurs, you need to replace the lithium battery.
To replace the lithium battery
1
To run the Setup utility, press F3 for a few seconds while rebooting
your PC, then press and hold FI to run the BIOS setup utility.
2
Write down the current BIOS Setup options.
3
Shut down your PC, turn off all peripheral devices, such as your
printer, display, and speakers, and unplug your PC.
4
Remove the side panel as described on page 90.
5
If necessary, remove any add-in cards or other components to access
the CMOS battery socket, and gently pry the battery from the socket.
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