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halofan56

macrumors 6502
Original poster
Oct 23, 2015
259
60
I have a issue that my iMac hung at boot. I turned it off and back on and it is fine. This happened today and three weeks ago. My theory is it could be the UPS I have plugged in via USB port has the only physical device. So I have unplugged it for now and give it the test of time. If it goes beyond three weeks without any further issues, that would make sense. It was always said, if you are have a startup issue, unplug external devices to isolate. My printer BTW is connected thru AirPrint. Would anybody agree?
 
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