Introduction

Upgrade your hard drive for more storage capacity.

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.

Robert Huber - Reply

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: One shouldered 12.4 mm Phillips.
  • Remove the following three screws:

    • One shouldered 12.4 mm Phillips.

    • Two 7 mm T10 Torx.

My model have 3 phillips screws, no torx

Nicolas Varney - Reply

Same here. No torx. Very easy to do. Not a moderate difficulty at all. As long as you don't rush anything and ease the electronics out. Did I say ease? I meant "tease." Tease the connectors out. Slow and steady. Easy as pie.

airira - Reply

Image 1/1: Lift the hard drive slightly and disconnect the hard drive thermal sensor connector.
  • The following action is optional. If you skip this step, be very careful not to strain the thermal sensor cable as you disconnect the hard drive cables and transfer this bracket to your new hard drive.

  • Lift the hard drive slightly and disconnect the hard drive thermal sensor connector.

I broke mine trying to disconnect it. It was very fragile. Better to just skip disconnecting it. Leave it connected to the hard drive bracket, and unscrew the bracket from the hard drive. Then screw the bracket to the new hard drive.

caper - Reply

Perfect! I didn't disconnect it and the cable had plenty of slack! Great job!

Ryan - Reply

Image 1/2: Twist the spudger to separate the SATA data connector from the hard drive, then disconnect it from the hard drive. Image 2/2: Repeat this process for the SATA power connector.
  • Insert the flat end of a spudger into the gap between the SATA data connector and the hard drive.

  • Twist the spudger to separate the SATA data connector from the hard drive, then disconnect it from the hard drive.

  • Repeat this process for the SATA power connector.

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Image 1/1: If you are installing a new hard drive, we have an [guide|751|OS X install guide] to get you up and running.
  • Lift the hard drive out of the iMac.

  • If you are installing a new hard drive, we have an OS X install guide to get you up and running.

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Image 1/1:
  • Remove the two 15 mm shouldered T10 Torx screws from the hard drive and remove the bracket.

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Image 1/1: The hard drive bracket with the thermal sensor board is attached to the SATA connector side of the hard drive.
  • Remove the two 6 mm T10 Torx screws from the hard drive and remove the hard drive bracket.

  • The hard drive bracket with the thermal sensor board is attached to the SATA connector side of the hard drive.

  • If you are installing a new hard drive, we have an OS X install guide to get you up and running.

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Conclusion

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

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One Comment

Very helpful and easy guide. Thanks!

Bojan A - Reply

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