invalid Record Count Error Due To Disk Utility Failure

Disk utility in Mac OS X is used to verify disk integrity

, repairing file system, checking S.M.A.R.T status and many other tasks . Although the utility can resolve most startup issues, it can also fail under few situations. In most of these situations, a Mac user encounters a disk utility failure error message. To resolve this issue the user needs to perform fresh installation of Mac OS X and use the backup for restoration.

If, unfortunately, the backup is not available then the user can recover its formatted data by using an effective mac data recovery software.

To explain the above scenario in detail, consider an example where your Mac 10.5 system becomes unmountable and you use Disk Utility to resolve the startup issue. But, the utility fails to resolve your issue and displays the below error message:

Verifying volume "PM G5 hd"

Checking Journaled HFS Plus volume

Invalid record count.

Checking Extents Overflow file.

Checking Catalog file.

Invalid record count

Invalid record count

Invalid record count

Volume check failed.

Error: File system verify or repair failed.

After the above error message appears, the hard drive becomes unmountable, further resulting in inaccessibility of all the hard drive data.

Cause:

The root cause for Disk Utility failure error message is severe corruption in HFS ( Hierarchical File System).

How to solve:

To resolve the error message and access the data saved in your Mac hard drive, you will need to take below actions:

Run FSCK command to repair the corrupted file system.

In case the above command fails to master the above problem, then you will need to reinstall Mac OS X.

To access data post re-installation of Mac OS X, in case of no backup availability, you will need to opt for an effective third-party Mac File Recovery utility.

Such Mac Data Recovery tools incorporate intensive, yet secure algorithms to recover all data post a clean reinstall.

Stellar Phoenix Macintosh Data Recovery is a Mac Disk Recovery tool that ensures safe, easy, and quick recovery of formatted data from Mac OS X 10.3.9, 10.4 Tiger, 10.5 Leopard, and 10.6 Snow Leopard based hard drives. The tool also allows preview of the recoverable data. It is compatible with HFS, HFS+, HFSX, HFS Wrapper, and FAT file systems.

by: Raymond Ross

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