HP ProLiant ML30 Gen9 Maintenance And Service Manual page 58

Open the processor locking lever, and then open the processor retaining bracket.
4.
Remove the processor socket cover.
5.
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 socket contacts.
• Do not tilt or slide the processor when lowering the processor into the socket.
Removal and replacement procedures 58