Introduction
Restore your Bluetooth connectivity by replacing your Bluetooth board.
What you need
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            Lay your iMac front side down on a table with the lower edge facing yourself. 
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            Loosen the single Phillips screw in the center of the access door. 
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            Remove the access door from your iMac. 
 
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            Remove the following 12 screws securing the front bezel to the rear case: 
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            Eight 13 mm T8 Torx. 
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            Four 25 mm T8 Torx. 
 
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            Gently lift the front bezel from its top edge off the rear case. 
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            Once the top edge of the front bezel has cleared the rear case, rotate the front bezel toward the stand and lift it off the rear case. 
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            Rotate the front bezel away from the rest of the device and lay it above the top edge of the iMac. 
 
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            Use the flat end of a spudger to pry the bluetooth antenna connector up off the bluetooth board. 
 
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            Remove the single T6 Torx screw securing the Bluetooth board to the logic board. 
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            Lift the Bluetooth board out of your iMac. 
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
