How to repair and recover corrupted HFS+ partition/volume on Mac without losing data?

Posted by Molly to Mac Data Recovery on October 12th, 2018

Summary: Find your HFS or HFS+ partition corrupted and inaccessible on your Mac computers? This article will show you how to repair corrupted HFS/HFS+ partitions and recover lost data from corrupted, damaged, inaccessible HFS/HFS+ partitions with iBoysoft Mac Data Recovery.

Though replaced by APFS (Apple File System) since macOS High Sierra, HFS+/HFS is still widely used on both internal and external drives. However robust it is, HFS/HFS+ may also get corrupted due to various reasons, such as improper formatting of the hard drive, repeatedly shutting down macOS abruptly, HFS+ to APFS conversion failure, etc. Once the HFS/HFS+ partitions corrupted, the data on it will be inaccessible.

Is there any HFS/HFS+ partition recovery solution that is able to repair corrupted HFS/HFS+ partitions and recover lost data from corrupted HFS/HFS+ partitions on Macs? Of course yes.

How to repair the corrupted HFS/HFS+ partitions on Mac?

Method 1: Repair the corrupted HFS/HFS+ partitions with Disk Utility.

Disk Utility is a built-in utility to deal with disk related tasks. Thus, you can try to recover the corrupted HFS/HFS+ partition with it at first.

Step 1: Go to Applications > Utilities > Disk Utility.

Step 2: Select the disk with corrupted HFS+/HFS partitions from the side bar.

Step 3: Click First Aid on the top of Disk Utility window.

Step 4: Wait while Disk Utility verifying and repairing the corrupted HFS+/HFS partition. If Disk Utility can't repair this disk, and you receive "File system verify and repair failed", you will be suggested to backup as many data as possible. But if no messages, click Done button to quit.

Method 2: Repair the corrupted HFS/HFS+ partitions using fsck (file system consistency check).

Step 1: Restart your Mac and, before the Apple logo appears, hold down Command and S keys. This will boot your Mac into Single User Mode.

Step 2: 2. Type in: /sbin/fsck -fy.

Step 3: If you see "File system was modified", then re-type in the command again until you see "The volume _ appears to be OK".

Step 4: Type in reboot to restart your Mac.

Method 3: Repair the corrupted HFS/HFS+ partitions by formatting.

If you can't recover the corrupted HFS+/HFS partitions after trying out the methods above, then the last chance to make the corrupted partition reusable is to reformat it. As formatting will wipe all the data on the partition, you need to recover lost data from the corrupted HFS+/HFS partition if no backups have been made.

iBoysoft Mac Data Recovery is able to recover lost data from deleted HFS+ partitions, recover lost data after converting HFS+ to APFS or reverting APFS to HFS+ failed, and recover lost data from inaccessible or damaged HFS+ partitions. It's not only HFS+ partition recovery software, but also the best APFS data recovery software that is fully compatible with macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 and OS X 10.11/10.10/10.9/10.8/10.7.

Step 1: Recover lost data from the corrupted HFS+/HFS partitions with iBoysoft Mac Data Recovery

1. Download and install iBoysoft Mac Data Recovery on Mac.

2. Launch this program. Choose the corrupted HFS+/HFS partition and click "Next". The program will start scanning this drive for recoverable files.

Recover lost data from corrupted HFS+ partition

3. After the scanning process finishes, you can click the found files to preview.

4. Choose what you want to get back and click "Recover" button.

Step 2: Reformat/Erase the corrupted HFS+/HFS partition in Disk Utility.

1. Go to Applications > Utilities > Disk Utility.

2. Select the corrupted HFS+/HFS disk and click "Erase" on the top.

Erase corrupted HFS+ disk

3. Provide the name and file system information to format the disk.

4. Wait until the process finished.

Do the methods above succeed in repairing the corrupted HFS+/HFS partition? Please let us know if you have any questions.

Still have questions?