Each OS kind of problems that make useless, no matter how stable and powerful operating system. But most reliable operating system Mac OS X can encounter problems that could lead to data loss. To deal with such situations, to prevent data loss, and the needs of Mac data recovery software; includes Mac application “disk utility”.
Although the “disk utility” is a powerful tool capable of dealing with a number of issues with Mac OS X hard disk, however, there is no guarantee that it will work in all cases of system failure. There are some cases where “disk utility” may fail with following error-
“No reported main task”
After the error message mentioned above, when you check in the log disk “utility”, “error code-9972″. Error code-9972 means that volume disk structure is corrupted and cannot be verified/fixed by tool.
Why
The above error occurs due to serious corruption of a disk or file system. Damage can occur for various reasons, such as viruses and improper system shutdown, user error and corrupted disk data structure. Disk utility cannot deal with damaged and you need to use other Mac recovery methods to fix the problem.
Solution
Experience below methods to sort this behavior.
Use the command, the population through a repair the Mac. You must run the command, it won’t be in single user mode. Alternatively you can run it from a different hard drive.
Using a system utility to repair third party Mac OS X. hard disk recommends creating a full backup of your important data to prevent data loss and need Mac data recovery because of a conflict.
If any of the above methods work, you’ll have to install the “erase and install” for Mac OS X. Although, it resolves the issue, but also deletes all data from your hard disk.
For a Mac data recovery in such cases, necessary Mac file recovery software. Mac file recovery software uses algorithms to retrieve security HFS Mac data recovery advanced.
Security HFS + recovery software allows you to retrieve your own Mac files in highly interactive user interface. Mac data recovery software preserves the absolute safety of your data with a read-only.