HP ProLiant MicroServer Gen8 Maintenance And Service Manual page 56

Remove the failed system board.
11.
To replace the system board:
Install the system board.
1.
CAUTION: Failure to completely open the processor locking lever prevents the processor from
seating during installation, leading to hardware damage.
CAUTION: To avoid damage to the processor, do not touch the bottom of the processor,
especially the contact area.
Removal and replacement procedures 56