Dell R420xr owner manual Removing and Installing the Processor Heat Sink

8.Lift the heat sink up from the processor and set the heat sink aside upside-down (thermal grease side facing up).

Figure 29. Removing and Installing the Processor Heat Sink

1.	retention sockets (4)	2. heat sink
3.	retention screws (4)

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 by pushing down and out from under the tab. Rotate the lever upward.

10.Rotate the processor shield upward and out of the way.

CAUTION: The socket pins are fragile and can be permanently damaged. Be careful not to bend the pins in the socket when removing the processor out of the socket.

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