Mac OS X
Q: Macbook Pro A1398 failing after last update
Won't start. When it will start, comes up black screen. Shuts off without reason. When reset won't come back on. All since last update. Ideas?
MacBook Pro (Retina, Mid 2012), iOS 10
Posted on Sep 14, 2016 7:40 AM
by BobHarris,Apple recommended
Mac OS X
Try Booting into Safe mode
<http://support.apple.com/kb/ht1564>
With Thanks to Eric Root, also try:
PRAM reset: http://support.apple.com/kb/PH11243
SMC reset: http://support.apple.com/kb/HT3964
Posted on Sep 14, 2016 5:18 PM