HP rp5800 Reference Manual page 60

7. To release the battery from its holder, squeeze the metal clamp that extends above one edge of
the battery. When the battery pops up, lift it out (1).
8. To insert the new battery, slide one edge of the replacement battery under the holder's lip with
the positive side up. Push the other edge down until the clamp snaps over the other edge of the
battery (2).
Figure A-1
9. Replace the computer access panel.
10. Reconnect the power cord and any external devices, then turn on the computer.
11. Reset the date and time, your passwords, and any special system setups using Computer
Setup.
12. Lock any security devices that were disengaged when the computer access panel was removed.
54 Appendix A Battery Replacement
Removing and Replacing a Coin Cell Battery
ENWW