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Unable to mount APFS encrypted volume on Mac

All of a sudden, my MacBook Pro wouldn't boot from its internal SSD (256GB), so I replaced it with a new SSD. But I still want to access data on the unbootable SSD. It's formatted as APFS-encrypted and won't mount in Disk Utility when connected to my Mac externally. When I run the command "diskutil verifyVolume disk2s2" on it, I get Error: -69564: Unable to find an APFS Container Reference. Running "diskutil apfs unlockVolume /dev/disk2s2" fails with " /dev/disk2s2 is not an APFS Volume." What should I do to get my data back?

Best Answered by

iBoysoft author Jenny Zeng

Jenny Zeng

Answered on Wednesday, November 22, 2023

To fix the unmountable APFS-encrypted SSD on your Mac, you can recover its data and then reformat it in Disk Utility.

You'll need a reliable data recovery tool to restore the inaccessible files on your unmountable external hard drive. I recommend you run a scan with iBoysoft Data Recovery for Mac, as it allows you to preview the recoverable files for free. Note that you'll need the password to decrypt the SSD before any tool can scan it for lost data.

This data recovery software can recover photos, videos, documents, emails, audio, and other types of data from unmountable SSDs, HDDs, USB flash drives, SD cards, etc. It's also compatible with all macOS versions since Mac OS X El Capitan.

You can download it from the button below.

After your data is recovered, take the steps below to reformat it:

  1. Open Disk Utility.
  2. Click View > Show All Devices.
  3. Select the physical disk of your SSD, which is usually named with the manufacturer's name and storage.
  4. Click the erase button.
  5. Name your SSD.
  6. Choose APFS or APFS encrypted as the format.
  7. Choose GUID Partition Map as the scheme.
  8. Click Erase.

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