File systems (HFS, HFS+, HFS Wrapper) installed on Mac machines are very sensitive and prone to corruption. Few main causes for file system damage can be improper system shutdown, virus infection, and application malfunction. In most cases of file system damage, the system becomes unbootable, resulting in inaccessibility of all the data saved on the Mac hard drive.

To get rid of any file system corruption issue and to access the hard drive data, an easy way is to use an inbuilt file system repair utility named ‘FSCK’. This utility – although successful in most cases – can fail when the corruption is severe. For such situations, the user needs to restore the data from a comprehensive backup. But, in case no backup is available, then the user can use a commercial Data Recovery Mac utility to recover the data. Below is the scenario that explains Mac file system corruption in detail...