Battery - HP xw4300 Service And Technical Reference Manual

4.22 Battery

CAUTION: Before removing the battery, be sure your Complementary Metal Oxide Semiconductor (CMOS) settings
are backed up because all CMOS settings are lost when the battery is removed. To back up the CMOS settings, use
Computer Setup and run the Save to Diskette option from the File menu.
To remove the battery:
1. Disconnect power from the system
2. On the system board, press on the release tab of the battery holder 1.
3. Lift the battery straight up 2.
To replace the battery, slide the battery back in until it snaps back into place.
76 Removal and Replacement Procedures
(section 4.2) and open the access panel (section 4.9).