Introduction

Remove the fan cover to replace your upper fans or hard drive.

Parts

No parts required.

Lay the iMac display-side down on a flat surface.
  • 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.

My iMac has only ONE catch, the central one, so the two outer screws are not to be touched.

In fact, I tried so hard to unscrew them, with a good screwdriver, that my hand hurt. Knowing that some times captive things (like these screws or a faucet) can be already at the end of their travel and we only lock them further into that position, I tried both screwing and unscrewing to no avail.

paulfrancoeur - Reply

That chick MJ is sexy!!!!!

djmadcracker - Reply

Looks like one of these screws is not like the others... a security Philips?! Never seen one of those before.

Terry Mullane - Reply

Please Note: If your iMac has an antenna for the airport extreme and not the bluetooth card. Don't buy the bluetooth get the airport extreme instead. Also, some newer devices may not work with these units.

James Janota - Reply

Just want to say thank you to ifixit! You guys are amazing and so helpful! This was so easy to do and I ordered the part I needed as well! We are up and running over here and my 7 year old son could not be any happier! Thank you!

mary nicolazzo - Reply

Lift the rear panel slightly from the bottom edge of the iMac. Pull the rear panel toward yourself and remove it from the iMac. Pull the rear panel toward yourself and remove it from the iMac.
  • Lift the rear panel slightly from the bottom edge of the iMac.

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

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Remove the two Phillips screws securing the fan cover to the midplane. The shouldered screw belongs in the lower left corner of the fan cover.
  • Remove the two Phillips screws securing the fan cover to the midplane.

  • The shouldered screw belongs in the lower left corner of the fan cover.

  • Lift the fan cover up off midplane.

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Conclusion

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

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