Replacing The Internal Backup Battery - Sony PCG-F340 Primary User Manual

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VAIO Notebook Computer User Guide

Replacing the Internal Backup Battery

The backup battery will last about three years. When the battery is low on
power, replace it with a Sony lithium battery CR2025 or compatible.
To replace the backup battery
1
Turn off the computer and connected devices, then unplug all the
cables.
2
Unscrew the battery cover to open it.
3
Remove the battery.
4
Insert a new battery and close the cover.
Follow the procedure below to set the clock.
To set date and time
After replacing the backup battery, be sure to set the time as follows:
1
Turn on the computer.
The message "Press <F1> to resume, <F2> to Setup" appears at the
bottom of the display.
2
Press F2.
The BIOS Setup menu starts.
Screw 2
Screw 1