Sony PCV-RZ40C - Manual (Page 41)

About 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
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 the peripheral devices.
4. Remove the side panel. See Removing the side panel .
5. If necessary, remove any cables, add-on cards, or other components to access the lithium battery.
6. Gently push the battery holder's tab away from the battery and remove the battery from the holder.
7. Install the new battery with the plus (+) side facing the battery holder tab.
Installing a lithium battery
8. Replace the side panel. See Replacing the side panel .
The values stored in the CMOS memory are now reset to the factory default values. Run the Setup utility to reset the date,
time, passwords, and other changes you may have made to the BIOS settings. If you do not wish to customize your BIOS
settings, do not run the Setup utility.
Dispose of the lithium battery properly. In some areas, the disposal of lithium batteries in household or
business trash may be prohibited. You can return your unwanted lithium batteries to your nearest Sony Service Center
or Factory Service Center. To locate a Service Center near you, visit the Sony Online Support Web site at
http://www.sony.com/pcsupport .
Resetting the computer's date and time
To reset your computer's date and time:
1. Double-click the time readout displayed in the Windows ® Taskbar Notification area. The Date and Time properties
window appears.
2. From the Date & Time tab, change the settings as desired. Click Apply, and then click OK.
Page 41