Introduction
Regain Bluetooth functionality by replacing the Bluetooth board.
Tools
Parts
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Lay the iMac display-side down on a flat surface.
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Loosen the three Phillips screws securing the rear panel to the iMac.
 
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Lift the rear panel slightly near the bottom of the iMac.
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Pull the rear panel toward yourself and remove it from the iMac.
 
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Bend a paper clip into a hook and use it to pull the Bluetooth board up off its socket on the logic board.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.
One comment
Greetings Walter Galan, I would like to know if I can install this iMac G5 20" Model A1076 Bluetooth board into my iMac 21 system, it say’s that no wireless is installed.
Please Advise!
Thank You In Advance & Have A Good One!!!.
R.Askew
Some models (with light sensor) have only the two outboard screws.
Robert Huber -