Dell OptiPlex 9020 (Mid 2013) - Manual (Page 26)

Installing the Heat Sink Assembly
1. Place the heat-sink assembly into the chassis.
2. Tighten the captive screws to secure the heat-sink assembly to the system board.
3. Connect the fan cable to the system board.
4. Place the fan shroud on the fan and push to click in place.
5. Install the cover
6. Follow the procedures in After Working Inside Your Computer .
Removing the Processor
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover.
3. Remove the heat sink assembly.
4. Press the release lever down and then move it outward to release it from the retention hook. Lift the processor
cover and remove the processor from the socket, and place it in antistatic bag.
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