HP ProLiant DL388e Gen8 Server - Manual (Page 68)

Hardware options installation 68
CAUTION: Do not press down on the processor. Pressing down on the processor may cause
damage to the processor socket and the system board. Press only in the area indicated on the
processor retaining bracket.
11. Press and hold the processor retaining bracket in place, and then close each processor locking lever.
Press only in the area indicated on the processor retaining bracket.
12. Remove the thermal interface protective cover from the heatsink.
13. Install the heatsink:
a. Position the heatsink using the guide pin on the processor backplate.
b. Tighten one pair of diagonally opposite screws halfway, and then tighten the other pair of screws.