HPE ProLiant ML10 Gen9 Maintenance And Service Manual page 49

Open the processor locking lever, and then open the processor retaining bracket.
2.
CAUTION: To avoid damage to the processor, do not touch the bottom of the processor,
especially the contact area.
CAUTION: Failure to completely open the processor locking lever prevents the processor
from seating during installation, leading to hardware damage.
Remove the processor socket cover.
3.
CAUTION: THE PINS ON THE SYSTEM BOARD ARE VERY FRAGILE AND EASILY
DAMAGED. To avoid damage to the system board, do not touch the processor or the
processor socket contacts.
Removal and replacement procedures 49