installing big sur mac not starting

Downloaded Big Sur for my wife's MacBook Pro when installing machine has stuck with a black screen

Posted on Nov 13, 2020 3:46 AM

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Posted on Nov 30, 2020 3:36 PM

Note Apple has published a support document for those of you having install/boot issues with 2013-2014 13" MacBook Pros:


If you can’t install macOS Big Sur on certain 13-inch MacBook Pro computers from 2013 and 2014 - Apple Support

59 replies

Dec 8, 2020 12:20 AM in response to MrPeteyR

What I observe is that local Apple shop representatives and central Apple support staff do react differently

on these cases. I read about the following variations:

  • The guy in Dubai store that got the i/o board replaced for approx. 100 USD
  • The lady in the Düsseldorf shop and several others that got an offer of approx. 500 USD for Logic board replacement
  • One guy in Germany that got an i/o board replacement free of charge.
  • Another guy from Germany, I read on a Facebook forum that got the Apple support to admit its a i/o board issue,

where the support said they do not get spare parts for vintage hardware and they offered to potentially replace the MBP with another one but is waiting for their final offer.


To me handling these issues in such different ways seems wierd.

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installing big sur mac not starting

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