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Ursprünglicher Beitrag von: ronherrmann ,


I realize that this is a very late response, but perhaps it will help others who search the "Answers Index" area here.

'''Have you tried a(n) SMC reset? This can "cure" a lot of issues.'''

* '''Reset SMC of an iMac, Mac Pro, Mac Mini:'''
* Shut down the computer.
* Unplug the computer's power cord.
* Wait fifteen - twenty seconds.
* Attach the computer's power cord.
* Wait five seconds, then press the power button to turn on the computer.


* Shut down your Mac
* Disconnect the power cord

* Wait fifteen - twenty seconds.
* Press and hold the Mac’s power button for 5 seconds
Release the button

* Reattach the power cables and boot the Mac as usual