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iMac Intel 21.5" EMC 2308 CPU Fan Replacement

Prerequisite Only
This guide is only intended to be used as a prerequisite for other guides. It's incomplete by itself.

What you need

  1. iMac Intel 21.5" EMC 2308 CPU Fan Replacement, CPU Fan: step 1, image 1 of 1
    • If present, remove the pieces of clear tape securing the ambient temperature sensor cable and the left speaker cable to the rear case.

  2. iMac Intel 21.5" EMC 2308 CPU Fan Replacement: step 2, image 1 of 1
    • Remove the two 13 mm T10 Torx screws securing the CPU fan to the outer case.

  3. iMac Intel 21.5" EMC 2308 CPU Fan Replacement: step 3, image 1 of 1
    • Peel the cable retainer off the side of the CPU fan.

    • If the tape on the cable retainer loses adhesion, remove the existing foam tape and either use double-sided tape or glue to reattach it to the CPU fan.

    • Remove the CPU fan from the outer case, minding any cables that may get caught.

  4. iMac Intel 21.5" EMC 2308 CPU Fan Replacement: step 4, image 1 of 1
    • De-route the left speaker cable from the clips securing it to the outer case.

  5. iMac Intel 21.5" EMC 2308 CPU Fan Replacement: step 5, image 1 of 2 iMac Intel 21.5" EMC 2308 CPU Fan Replacement: step 5, image 2 of 2
    • Carefully remove the left speaker and ambient temperature sensor cables from the CPU fan cable retainer.

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