How To Fix Corrupted External Hard Drive Mac. Drive Genius can successfully repair the drive but occasionally the repair can fail. Go to Finder Applications Utilities Terminal.
If it didnt help go ahead with the next method. Click the Create backup button next to the hard drive you want to back up. To repair a corrupt APFS or HFS formatted SSD follow the given steps.
Steps to repair Mac external hard drive by using Terminal are as follows.
If you know for sure that you have a corrupted hard drive on a Mac you can take these steps to restore access or recover your information. Fix a corrupted external hard drive. Just select your external hard. Take note that drive corruption may happen not only to internal hard drives but to external hard drives too.
