HP ProLiant MicroServer Gen8 Maintenance And Service Manual page 40

Press the two module latches together, and then pull the module from the chassis.
d.
Remove the front USB module:
10.
Remove the USB module screw.
a.
Pull the USB module out of the chassis.
b.
Remove the front I/O module assembly:
11.
Pull the blue loop to disconnect the front I/O module cable from the system board.
a.
Release the cable from the two chassis cable clips located on the underside of the drive cage.
b.
Removal and replacement procedures 40