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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.

To replace the lithium battery

1Write down any changes you may have made to the settings in the BIOS Setup utility.

2Remove the side panel.

See Opening the Computer (page 94) for the detailed instructions.

3If necessary, remove any cables, add-on cards, or other components to access the lithium battery.

4Remove the old battery and install the new battery with the plus (+) side facing up.