Macs are famous for their robust functionality and reliability. However, the best machines can have serious problems. It may be a Mac OS X problem or any hardware failure, at the end of it, it is your valuable data that lies on stake. As backup is sometimes unavailable or fails to restore the data, right diagnosis, repair, and Mac Hard Drive recovery tools can make all the difference in recovering your data.

Scenario:

You tried to connect an external hard drive to your Mac computer. The drive is not recognized by the system and you receive the drive inaccessibility error message. The Error message reads like:

Directory cannot be rebuilt, the file system is unsupported.
This disk is not a Macintosh disk.
This disk does not appear on the desktop.
This disk is <disk size> in size
Drive Format: FDisk Partition Scheme
File System: Windows/PC”

Explanation:

In this case, the drive does not show in the Disk Utility leaving the data in the external hard drive completely inaccessible.

Causes behind the issue:

Above unusual behavior by the Mac OS can be due to the corruption to the file system of the external hard drive. The corruption may have taken place due to virus attack, unexpected system shutdown, disconnecting hard drive without stopping current process or power outages.

Resolution:

  • Try to repair the drive with disk utility.

While using disk utility, you might encounter the following error messages:

Disk Utility stopped repairing drive1” because the following error was encountered:
The underlying task reported failure on exit”

Failure of the disk utility leaves you with no other other option rather than any good Mac HDD Recovery tool. These applications use powerful scanning mechanisms to scan the damaged hard drive and extract all most all the lost or inaccessible data. The good thing about these recovery softwares is that they do not require any prior knowledge or technical expertise.

Stellar Phoenix Macintosh Data Recovery is one of the leading products in the field of Mac Recovery. This is an excellent software that can successfully recover most of the file categories including application files, media files and library files. It supports recovery from HFS/HFS+/HFSX/HFS Wrapper/Fat file system volumes of Mac OS X10.5/10.4/10.3.9 and a really worthy choice in case of Mac Hard Drive Recovery.