Dell Vostro 2520 (Mid 2012) - Manual (Page 25)

Installing the Heat-Sink Fan Assembly
1. Place and align the heat-sink fan assembly.
2. Tighten the captive screws to secure the heat-sink fan assembly.
3. Connect the CPU-fan cable to the system board.
4. Install:
a) palmrest
b) keyboard
c) battery
5. 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) battery
b) keyboard
c) palmrest
d) heat-sink fan assembly
3. Rotate the processor-cam screw in a counter-clockwise direction.
4. Lift up the processor and remove it from the computer.
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