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How to Fix Disk Utility Cannot Repair APFS Disk?

I've encountered a rather troubling error in macOS 12.2 Monterey: In Disk Utility, if a user tries to perform a "First Aid" command as a bit of preventive maintenance on their drive if that drive is formatted APFS, then the output of the process is an error message implying that the drive is irreparable and should be replaced. The exact message text is, "First Aid process has failed. If possible back up the data on this volume. Click Done to continue." In my case, this message incited me to buy a pricey new SSD drive to replace an aging Western Digital drive I was using for critical backups. How can I fix it?

Best Answered by

iBoysoft author Eudora Liu

Eudora Liu

Answered on Monday, February 19, 2024

You mentioned your external hard drive failed to fix in First Aid after you formatted it with APFS in macOS Monterey and you received the error message, "First Aid process has failed. If possible back up the data on this volume. Click Done to continue.", implying the drive is irreparable and should be replaced.

But actually, you don't need to replace it. This error message "First Aid process has failed. If possible back up the data on this volume. Click Done to continue." indicates severe disk corruption which was brought about by improper ejection, physical damage, virus infection, or other reasons. It's still easy for you to fix.

Here are some methods for you to fix this issue manually.

Reformatting the disk means deleting all files on it, even the corrupted files. However, you probably can't back up your files directly from the corrupted external hard drive. In this circumstance, data recovery software can give you a hand.

iBoysoft Data Recovery for Mac is a reliable application for Mac users, which can help you to recover deleted or lost data from unreadable/unmountable/corrupted external hard drives on macOS and Mac OS X, and macOS Ventura is also supported.

  1. Free download and launch iBoysoft Data Recovery for Mac.
  2. Choose your external hard drive and click Search for Lost Data.
  3. Preview the search result and then click Recover.

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