Dell OptiPlex 9020 (Mid 2013) - Manual (Page 23)

Installing the Heat Sink Assembly
1. Place the heat sink assembly into the chassis.
2. Lift the fan and tighten the captive screws to secure the heat sink assembly to the system board.
3. Press the release lever down and inwards to secure the fan retention hook.
4. Connect the fan cable to the system board.
5. Install:
a) drive cage
b) front bezel
c) 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:
a) cover
b) front bezel
c) drive cage
d) heat sink assembly
3. 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.
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