How to repair corrupted USB flash drive on Mac?

Posted by Katrina to Mac Data Recovery on August 17th, 2018

I have a little 2 GB USB flash drive which has been working for a year and just stopped recently ... no idea why. It's really a terrible disaster which is messing up my school life as I have all my school stuff like assignments and such stored on the USB. Is there any way that I can use to repair corrupted USB flash drive without losing data?

To some extent, USB flash drive makes it easier to transfer files between different computers, but there can be issues when you plug your USB flash drive in and out. If you remove a USB flash drive from a Mac computer port before it is properly unmounted, the file structure of the drive will be corrupted and all data on the drive will become unreadable. How to repair corrupted USB flash drive on Mac? This passage will offer you solutions.

How to repair corrupted USB flash drive on Mac?

There are two feasible solutions to repair corrupted USB flash drive, let's have a look.

Solution 1: Repair corrupted USB flash drive with Disk Utility

Disk Utility's First Aid is your first choice to repair corrupted USB flash drive. It can check and verify some minor errors on disks without data loss.

Step 1: Launch Disk Utility.

Step 2: Choose the corrupted USB flash drive.

Step 3: Select First Aid in the top center and click Run.

Solution 2: Recover data and reformat the corrupted USB flash drive

If the above solution is not workable, your USB flash drive might be seriously damaged. You can try iBoysoft Mac Data Recovery. In other words, you should recover data from corrupted USB flash drive and then reformat the drive for reuse.

Step 1: Recover data from corrupted USB flash drive with iBoysoft Mac Data Recovery

iBoysoft Mac Data Recovery is a free Mac USB drive data recovery software that can recover documents, pictures, audios, videos, emails from corrupted USB flash drive, recover data from unreadable USB drive, recover data from corrupted external hard drive, recover data from unreadable external hard drive, SD card, memory card, hard drive, etc. on macOS Mojave 10.14/High Sierra 10.13/10.12 and OS X 10.11/10.10/10.9/10.8/10.7.

1. Free download and install iBoysoft Mac Data Recovery.

2. Connect the corrupted USB flash drive to Mac, and then launch iBoysoft Mac Data Recovery.

3. Select the corrupted USB flash drive and click "Next" to scan all lost files.

Recover data from corrupted USB flash drive on Mac

3. Preview the scanning results, choose files we need, and click "Recover" to get them back.

4. Have a check to ensure all lost files have been successfully recovered.

Step 2: Reformat the corrupted USB flash drive

1. Launch Disk Utility.

2. Click the icon of the corrupted USB flash drive on the left part of the window.

3. Click the Erase on the top of the Disk Utility window.

4. Complete related information (name, format, scheme, etc.), and then click Erase button.

Still have questions?