Apple Provides Instructions to Fix macOS Reinstallation Errors on M1 Macs

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Shortly after the launch of Apple’s new M1 Macs, we noticed studies that makes an attempt to restore and reinstall macOS on these machines instantly might lead to an set up error that would depart your Mac non-functional.


Specifically, the error message would learn: “An error occurred preparing the update. Failed to personalize the software update. Please try again.”

Over the weekend, Apple posted detailed directions for customers experiencing this situation. Specifically it appears the problem arises when you erase/restore your Mac earlier than upgrading to macOS Big Sur 11.0.1.

If you erased your Mac with Apple M1 chip earlier than updating to ‌macOS Big Sur‌ 11.0.1, you is perhaps unable to reinstall macOS from macOS Recovery. A message would possibly say “An error occurred while preparing the update. Failed to personalize the software update. Please try again.”

Use both of those options to reinstall macOS. You ought to then have the opportunity to use macOS Recovery as anticipated when reinstalling macOS sooner or later.

Apple means that you could possibly create a bootable installer utilizing one other Mac. Otherwise, Apple particulars a extra technical 17 step course of utilizing Terminal to restore your M1 Mac to a purposeful state.

If you might be nonetheless having hassle, Apple recommends contacting assist, and you may also go to our ongoing discussion board thread the place customers are troubleshooting this particular situation.



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