Apple iMac (17-inch Mid 2006) - Manual (Page 75)

iMac (17-inch Mid 2006/Late 2006 CD ) Take Apart — Hard Drive
Remove the Hard Drive
Position yourself at the base of the computer closest to the stand.
Pull in on the edge of the mounting bracket until you feel it release from the chassis. Pull
HARD! The hard drive bracket will release on the end near your hands.
Disconnect the hard drive power and data cables. Set the hard drive aside.
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