HP ProLiant DL120 Gen9 Maintenance And Service Manual page 61

Disconnect each power cord from the power source.
a.
Disconnect each power cord from the server.
b.
Do one of the following:
3.
Extend the server from the rack (on page 30).
o
Remove the server from the rack (on page 30).
o
Remove the access panel
4.
If installed, remove any expansion boards
5.
Locate the battery on the system board
6.
Remove the battery.
7.
Use a small flat-bladed, nonconductive tool to carefully remove the battery from the socket.
WARNING: Do not exert too much force to remove the system battery. The battery could pop out
of the socket, or the tool could slip and damage the socket or the system board.
IMPORTANT:
configuration. After replacing the battery, use BIOS/Platform Configuration (RBSU) in the UEFI
System Utilities
To replace the component:
Insert the battery with the "+" side facing up underneath the outer lip of the socket, and then press the
1.
battery down to secure it in place.
Install any expansion boards that have been removed.
2.
Install the access panel.
3.
Do one of the following:
4.
("Access panel" on page 36).
("Expansion
("System
Replacing the system board battery resets the system ROM to its default
("HP UEFI System Utilities" on page 78) to reconfigure the system.
board" on page 54) installed in slot 1 and 2.
board" on page 65).
Removal and replacement procedures 61