Replacing The Battery - NEC Express5800 120Rj-2 User Manual

User Guide

Replacing the Battery

All motherboards use a battery to maintain system configuration information. If it fails
to maintain system configuration, replace it with an identical rated battery from the
same manufacturer.
Remove the battery from the motherboard as follows:
Removing the battery from the motherboard causes the com-
puter to lose system configuration information. Before removing
it, run Setup and record the system configuration settings.
Use this information to restore the system after replacing the
battery.
1. Turn off and unplug the system unit and any external options connected to the
system.
2. Remove the cover. See
3. Locate the battery on the motherboard. See
page 26
4. Use your finger to carefully remove the battery from the battery socket on the
motherboard.
The battery may explode if it is incorrectly replaced or improp-
erly discarded.
Use only an identical rated battery from the same manufacturer.
5. With the positive (+) side facing up, press the new battery into the socket.
6. Replace the system unit cover.
7. Connect external peripherals and power cables.
8. Run Setup to reconfigure system parameters.
Caution
"Removing and Replacing the Top Cover" on page 139
Warning
174
www.nec-computers.com
"System board Features" on