How To Fix ‘An Error Occurred Preparing The Update’Īpple mentions two ways to fix this: with bootable installer, or using Terminal commands in macOS Recovery. The above error message is displayed while attempting to reinstall macOS.
This Mac M1 error is triggered when the user decides to erase/restore the computer before upgrading to macOS 11.0.1 Big Sur. ‘An Error Occurred Preparing The Update’ Causes? Please try again’ popup? This appears to be a common problem and Apple has published a support document that informs you how to fix it. Is your machine stuck at the ‘Failed to personalize the software update.
You’ve purchased a new Mac to take advantage of the revolutionary M1 Apple Silicon chip but are prompted with the ‘An Error Occurred Preparing The Update’ dialog box when trying to restore the computer. Mac M1 an error occurred preparing the update.
