HP ProLiant ML110 G6 Maintenance And Service Manual page 67

Install the new power supply unit.
3.
Align the new power supply unit inside the chassis (1).
a.
Secure the power supply unit to the chassis using the four screws you removed in step 2-b
b.
(2).
Reconnect the system power cables you removed in step 2-a (3).
c.
Perform the post-installation procedure.
4.
Removal and replacement procedures 67