How to recover data from unmountable APFS boot volume?

Posted by Katrina to Mac Data Recovery on May 23rd, 2018

I converted the partition to APFS using the Disk Utility, and High Sierra would not boot. My Macbook Pro suddenly stopped running, showing me an unmountable error happened to my APFS boot volume. I have important files on this APFS volume, is there any to recover data from unmountable APFS boot volume? Thanks in advance!

Have you ever troubled by the unmountable APFS boot volume error? Actually, this error not only happens to all Mac users in the middle of macOS High Sierra installation but also appears during computer startup, even when you don't make any change to Mac computer. The unmountable APFS boot volume error might be caused by virus attack, human error, corruption of head file, bad sector, catalog files node corruption, software or hardware problem, etc. No matter what leads to the unmountable APFS boot volume error, you have no chance to access the data on the APFS volume. The most important thing is to recover data from unmountable APFS boot volume.

Is it possible to recover data from unmountable APFS boot volume?

The answer is "Yes", but to recover data from APFS hard drive is complex and troublesome. Firstly, the unmountable APFS boot volume error comes with dead/crashed Mac computer. Secondly, APFS is a new and complex file system, so a few data recovery software can support it. Thirdly, when you upgrade to macOS High Sierra, your boot drive will not only be automatically convert to APFS, but also will be formatted to APFS (encrypted) if you locked the boot drive by FileVault before. There is no data recovery program except iBoysoft Mac Data Recovery which can recover data from encrypted APFS boot/startup drive.

How to recover data from unmountable APFS boot volume?

As the best APFS data recovery software, iBoysoft Mac Data Recovery can easily recover data from unmountable APFS startup disk, recover data from encrypted APFS boot/startup drive, recover deleted/lost data from APFS partition, recover data from formatted APFS hard drive, recover data from inaccessible APFS drive, recover data from corrupted APFS drive, recover deleted/lost APFS partition, etc. in macOS Mojave 10.14/High Sierra 10.13/10.12 Sierra and Mac OS X 10.11/10.10/10.9/10.8/10.7.

Aside from APFS data recovery, iBoysoft Mac Data Recovery also supports to recover data from drives formatted as other file system (HFS+, FAT32, exFAT, etc.). With this tool, we will no longer be annoyed by data loss, no matter losing data from hard drive, external hard drive, USB flash drive, memory card or pen drive.

Solution 1: If you have only one Mac computer

If you have only one Mac computer, please directly run iBoysoft Mac Data Recovery bootable media from iBoysoft Server and recover lost data from the unmountable APFS boot volume.

Solution 2: If you have two Mac computers

Step 1: Download iBoysoft Mac Data Recovery on another Mac computer.

Step 2: Install and launch iBoysoft Mac Data Recovery.

Step 3: Click iBoysoft Data Recovery on menu bar and then select "Create Boot Drive".

iBoysoft Data Recovery create bootable drive

Step 4: Insert a USB drive into your Mac computer.

iBoysoft Data Recovery create bootable drive

Step 5: Follow the wizard to create a bootable recovery drive.

iBoysoft Data Recovery create bootable drive

iBoysoft Data Recovery create bootable drive

Step 6: After that, please insert iBoysoft Mac Data Recovery bootable USB drive into the unbootable Mac computer, and then press the Power button and Option key (⌥) to start the computer up.

iBoysoft Data Recovery create bootable drive

Step 7: Select iBoysoft Mac Data Recovery from the boot options.

Step 8: Follow the wizard to scan for lost data on the unmountable APFS boot volume.

Step 9: Preview and select the files you want to get back, and then click the Recover button.

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