Replacing The Battery - HP Deskpro EN Supplementary Manual

Replacing the
Battery
The battery that comes with your computer provides power to
the real-time clock and has a lifetime of about five years. When
replacing the battery, use a CR2032 or equivalent 3-volt lithium
coin cell battery.
1. If you have locked the Smart Cover Lock, use Computer
Setup to unlock it.
2. Turn off the computer and any external devices and
disconnect the power cord from the power outlet.
3. Remove the computer cover and locate the battery on the
system board.
Locating the Battery on the System Board
Guide to Features & Upgrades 3-27