Introduction

Keep the temperature low and replace that broken fan!

Image 1/1: Loosen the three Phillips screws securing the rear panel to the iMac.
  • Lay the iMac display-side down on a flat surface.

  • Loosen the three Phillips screws securing the rear panel to the iMac.

  • These screws are captive in the iMac. The center screw will stop turning after about 3.5 turns and the outer screws will stop turning after about 5.5 turns. Do not try to remove these screws from your iMac.

Some models (with light sensor) have only the two outboard screws.

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Image 1/2: Pull the rear panel toward yourself and remove it from the iMac. Image 2/2: Pull the rear panel toward yourself and remove it from the iMac.
  • Lift the rear panel slightly near the bottom of the iMac.

  • Pull the rear panel toward yourself and remove it from the iMac.

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Image 1/1:
  • Remove the two 9.7 mm shouldered T8 Torx screws from the left fan.

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Image 1/2: The connector for the left fan requires a considerable amount of force to remove. If you bend the pins on the logic board, use the fan connector as a guide to bend them straight. Image 2/2: The connector for the left fan requires a considerable amount of force to remove. If you bend the pins on the logic board, use the fan connector as a guide to bend them straight.
  • Disconnect both fans by pulling their connectors straight up off the logic board.

  • The connector for the left fan requires a considerable amount of force to remove. If you bend the pins on the logic board, use the fan connector as a guide to bend them straight.

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Image 1/1:
  • Lift the left fan out of the chassis, minding any cables that may get caught.

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Conclusion

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

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