Apple Provides Instructions to Ready macOS Reinstallation Errors on M1 Macs

Before long later the launch of Apple'due south new M1 Macs, nosotros saw reports that attempts to restore and reinstall macOS on those machines right away could issue in an installation mistake that would leave your Mac non-functional.

macos big sur m1 macs restore issue
Specifically, the fault bulletin would read: "An mistake occurred preparing the update. Failed to personalize the software update. Please try again."

Over the weekend, Apple tree posted detailed instructions for users experiencing this issue. Specifically information technology seems the issue arises if you lot erase/restore your Mac earlier upgrading to macOS Large Sur 11.0.1.

If y'all erased your Mac with Apple M1 chip before updating to macOS Big Sur 11.0.1, y'all might be unable to reinstall macOS from macOS Recovery. A bulletin might say "An error occurred while preparing the update. Failed to personalize the software update. Please endeavour again."

Apply either of these solutions to reinstall macOS. You lot should and then exist able to utilise macOS Recovery as expected when reinstalling macOS in the futurity.

Apple suggests that you could create a bootable installer using another Mac. Otherwise, Apple details a more technical 17 step procedure using Concluding to restore your ‌M1‌ Mac to a functional state.

If you are still having trouble, Apple recommends contacting support, and you can also visit our ongoing forum thread where users are troubleshooting this specific consequence.

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