Apple iMac (17-inch Mid 2006) - Manual (Page 111)

iMac (17-inch Mid 2006/Late 2006 CD) Take Apart — AirPort Antenna 111
Removing the AirPort Extreme Antenna
Carefully peel back the tape (circled) and the EMI backing from the top left inside corner of
the rear housing as shown below. Peel back just enough EMI backing to access the antenna
board. Using a flat-blade screwdriver, pry the antenna board off the rear housing.
Remove any tape that secures the antenna cable to the rear housing.
Pull the antenna cable through the access hole in the EMI shield at the top, near the antenna
board.
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