iMac Intel 27" EMC 2546 Heat Sink Replacement

Written By: Andrew Optimus Goldheart
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iMac Intel 27" EMC 2546 Heat Sink Replacement

Difficulty

Moderate

Steps

6

Time Required

No estimate

Introduction

prerequisite for logic board, heat sink, and CPU

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    • Remove the four 7.5 mm T8 screws from behind the GPU on the logic board.

    • These screws are set inside large, spring-loaded Phillips #2 screws. To prevent the larger screws from spinning when you loosen the T8 screws, hold them with a fingertip or Phillips #2 screwdriver.

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    • Remove the bracket from behind the GPU heat sink.

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    • Remove four black stickers from the back of the CPU heat sink.

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    • Remove four 12.3 mm T10 screws from the back of the CPU heat sink.

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    • Remove the spring plate from behind the CPU heat sink.

    • Lift and remove the backing plate from behind the CPU heat sink. The backing plate has two posts that fit into alignment holes in the logic board.

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    • Lift the heat sink up from the logic board.

    • The CPU will most likely stick to the heat sink, so be careful about where you put it down.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Author

Andrew Optimus Goldheart

Member since: 17/10/09

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