iMac Intel 24" EMC 2111 CPU Heat Sink Replacement

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Flip the logic board over so it is heat sink side down.
Remove the following T10 Torx screws.
One short screw near the end of the heat sink.
Four screws around the CPU itself.
It may be necessary to use a #1 Phillips screwdriver to hold the spring loaded screw bosses stationary while you remove the four screws around the CPU.

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