Dell PowerEdge R410 Hardware Owner's Manual page 127

5 Using a #2 Phillips screwdriver, loosen one of the heat-sink retention
screws. See Figure 3-22.
6 Wait 30 seconds for the heat sink to loosen from the processor.
7 Loosen the other heat-sink retention screws.
8 Gently lift the heat sink off of the processor and set the heat sink aside
with thermal grease side facing up.
CAUTION:
The processor is held in its socket under strong pressure. Be aware
that the release lever can spring up suddenly if not firmly grasped.
9 Position your thumb firmly over the processor socket-release lever and
release the lever from the locked position. Rotate the lever 90 degrees
upward until the processor is released from the socket. See Figure 3-23.
Figure 3-22. Installing and Removing the Heat Sink
1 heat-sink retention screws (4)
1
2
2 heat sink
Installing System Components
127