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iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement

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  1. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement, Heat Sink Assembly: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement, Heat Sink Assembly: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement, Heat Sink Assembly: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Disconnect and remove the SATA data and power cables from the logic board.

  2. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the four 12 mm T10 shoulder screws from the spring plate behind the CPU.

  3. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the spring plate from behind the CPU heat sink.

  4. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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 and heat sink.

  5. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove the three 12 mm T8 Torx screws securing the GPU heat sink to the logic board.

    • Remove the three springs left behind.

    • These springs might come up with the screws; be careful not to lose track of them.

  6. iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iMac Intel 21.5" EMC 2544 Heat Sink Assembly Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Lift and remove the heat sink up off the logic board.

    • The CPU will most likely detach with the heat sink, so be careful about where you lay it down.

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

Sam Goldheart

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Staff

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