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Removing The Heatsink
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the rear cover.
3.Remove the rear stand.
4.Remove the rear I/O cover.
5.Remove the rear stand cover.
6.Remove the system board shield.
7.Remove the CPU fan.
8.Remove the screw that secures the heatsink to the chassis, and remove the screws that secure the heatsink to the system board.
9.Remove the heatsink from the computer.
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