HFS file system help the OS in Mac computer to identify the requested files and directories. Thus, this file system has great role in running of your Mac system smoothly. But sometime these file system get corrupted or damaged due to which user get File system dirty, run FSCK error message. As a result of this error, user also having problem in accessing system as well as stored data. In such case if you want to get access of your system then you must have to solve this error. If you are also having same problem and want to get rid of it then here is the solution.