HP proliant DL380 GEN9 User Manual page 61

Press and hold the processor retaining bracket in place, and then close each processor locking
11.
lever. Press only in the area indicated on the processor retaining bracket.
CAUTION: Close and hold down the processor cover socket while closing the processor
locking levers. The levers should close without resistance. Forcing the levers closed can
damage the processor and socket, requiring system board replacement.
Remove the heatsink cover.
12.
CAUTION: After the cover is removed, do not touch the thermal interface media.
Install the heatsink:
13.
Position the heatsink on the processor backplate.
a.
Tighten one pair of diagonally opposite screws halfway, and then tighten the other pair of screws.
b.
Hardware options installation 61