There are times that we receive "Invalid volume count and volume header needs minor repair" message when using Disk Utility to fix some errors on our Mac. We may get very confused about this error message and have no idea of how to fix it. Don't panic, this passage will introduce the possible causes of "volume header needs minor repair" error and offer you an easy solution to fix "volume header needs minor repair" error.
Possible causes of "volume header needs minor repair" error
Actually, "Invalid volume count and volume header needs minor repair", as the message itself indicates, is an error that emerges when there are something wrong with the volume header. For a Macintosh HD, which usually has a HFS+ file system, volume header is one part of the file system and contains some basic information of the hard drive, such as the volume build time and volume size. File system is an indispensable part for a drive and when the file system has been damaged, the drive will become corrupted or inaccessible. At most of the time, "volume header needs minor repair" error is caused by damaged file system.
There are many reasons that may result in damaged file system, such as virus attack, hard drive failure, file system corruption, bad sectors or any improper operation on the hard drive.
Tips: Before fixing the corrupted hard drive, we should avoid restarting the Mac as that may make data inside the hard drive been overwritten and take immediate actions to fix the hard drive.
An easy solution to fix "volume header needs minor repair" error
When we receive "Invalid volume count and volume header needs minor repair" message and the hard drive becomes corrupted, the easiest solution is fixing it by Erase. But if we directly do that, we will lose the files on the hard drive. So we should firstly recover data from corrupted hard drive and then fix it by Erase.
Step 1: Recover data from corrupted hard drive with Mac data recovery software
All we need is iBoysoft Mac Data Recovery, a free Mac data recovery software that can recover data from corrupted hard drive, recover lost data from formatted hard drive, recover data from unmountable hard drive, recover data from invalid volume header hard drive, recover deleted files emptied from Mac trash, etc. on macOS 10.14/10.13/10.12/10.11/10.10/10.9/10.8/10.7.
Tutorial to recover data from corrupted hard drive with iBoysoft Mac Data Recovery
1. Download and install iBoysoft Mac Data Recovery on Mac.
2. Launch iBoysoft Mac Data Recovery.
3. Select the corrupted hard drive and click "Next" button to scan all data.
4. Preview the listed scanning results, choose files need to be recovered, and click "Recover" button to get them back.
Step 2. Fix "volume header needs minor repair" error by Erase
After finishing data recovery from corrupted hard drive, we can fix "volume header needs minor repair" error on Mac by Erase. Erase is an operation that assigns a new file system to a hard drive.
1. Launch Disk Utility from Utilities.
2. Select the corrupted hard drive.
3. Click the Erase function on the top of the Disk Utility window.
4. Complete the related information(name, format, scheme), then click Erase button.
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