It's capable of deleted file recovery, formatted data recovery, unreadable, unmountable, and inaccessible drive data recovery, deleted/lost partition data recovery, etc. IBoysoft Mac Data Recovery is able to recover lost data after partition map damage. Step 1: Recover lost data after partition map damage But to avoid important data loss, you should perform data recovery at first. Since Disk Utility can't repair the damaged partition map, you can only format the drive to replace the damaged partition map. How to solve the 'Fixing damaged/corrupted partition map' error? If the boot sector gets corrupted as a consequence of improper system shutdown, sudden power surge, etc., the storage device will not be mounted with reading and write mode resulting in data loss. The most frequent reason for a damaged partition map is bad sectors, especially the boot sector. So in this post, we will talk about how to solve it when the 'Fixing damaged/corrupted partition map' operation failed in Disk Utility. Operation failed.' I have backed up about two-thirds of the data on the drive but the remaining third has some irreplaceable data. This morning I plugged in the drive and got this message: 'The disk you inserted was not readable by this computer.' I tried Disk Utility First Aid and got this message: 'Fixing damaged/corrupted partition map.
