We encountered an error while trying to save the changes. We've made a note of it, and we'll fix the problem as soon as possible.
Insert the flat end of a spudger between the SATA data cable and the edge of the hard drive.
Twist the spudger to separate the SATA data cable from the hard drive.
Disconnect the SATA data cable from the hard drive.
Repeat this process for the SATA power cable.
Lift the hard drive out of your iMac, minding the thermal sensor cable that may get caught.
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