Apple Mac OS X consists of programs which can resolve file system issues corrected by running 'Disk Utility'. But at times, when the corruption is severe, even this utility fails to perform the expected repair and quits while notifying some errors. If you come to such situations, you should primarily look for a valid data backup that might be used to restore the lost or missing data.
The present scenario depicts one of such problems, which if occurs, can raise the requirements of Mac Recovery using appropriate solutions. To narrow down these problems, we have considered a specific case of a Mac OS X 10.5 (Leopard) user when he/she finds its computer hung up. The computer becomes unresponsive and won't allow you to start or quit any application.
Since the computer is completely frozen up, you get compelled to perform a hard reboot of the computer. The next time, when you try to boot the computer, it won't start. Using 'Disk Utility' from Leopard startup disc won't help either as the disk seems as it cannot be repaired with the below or similar error message on screen:“Incorrect block count for file file_name”
the above error can be benign when the file system journaling is turned on and you run fsck utility. If this is the case, you can safely ignore this error message. In case, data gets inaccessible because of the above stated issue, you should consider applying the solutions, whichever suitable, mentioned in the 'User Action' section.
You can try repairing the corrupted file system by running fsck by booting the computer using the Mac OS X startup disc
Mirror your hard drive by attaching it with another computer or check the availability of a valid data backup and then perform 'Erase and Install' of Mac OS X
Use a third-party Data Recovery Software for Mac to recover and restore your lost and inaccessible files and folders. A Mac Recovery utility is designed to scan your logically crashed Mac OS X disk and retrieve lost information.
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