Improperly Changing Permission of External Mac Disk Can Cause Data Loss

Improperly Changing Permission of External Mac Disk Can Cause Data Loss

Are you unable to access your external FireWire derive on Mac OS X operating system based computer? Cannot you mount the external hard drive after changing permissions to "no access" through "Get Info" window? This behavior of Mac OS X hard drive renders all your valuable data inaccessible and you come across serious data loss situations. The problem may occur due to improper modification of access permissions of the hard drive. In such critical situations, you need to opt for Mac recovery solutions, if there is no backup in place.

Changing your access permissions to no access is quite light protection as you can switch to access mode by using "Get Info" window. However, in some cases, the mount process does not work on such a drive that needs to be mounted first before you try to access your significant data. In such cases, some of the Mac users try to clear up the disk permissions and then mount hard drive. You can remove permissions using the following commands on Terminal:

"sudo chmod -R +rw /Volumes/liQuidAPOGEE

sudo chown root /Volumes/liQuidAPOGEE

sudo chgrp wheel /Volumes/liQuidAPOGEE"

After you clear the permissions, drive can be mounted using Disk Utilities. The drive appears in Disk Utility window, but it does not allow you to repair the permissions. At this point, the drive cannot be accessed. To extract lost data from external Mac hard drive, you need to carry out data recovery Mac by using appropriate solutions.

Root of the problem

You may run across this problem with Mac OS X hard drive due to any of the following reasons:

Some of the critical data structures, like file system and volume manager of your external hard drive are damaged.

The hard drive permissions are corrupt and you can not fix them using Disk Utility tool.

Solution

You can try out the below methods to fix this problem:

Run fsck or Disk Utility on the damaged drive to fix problems.

Use third-party Mac disk recovery tools to recover lost, missing, and inaccessible data from the drive.

The Mac recovery software are specifically designed to thoroughly scan entire hard drive and extract all lost data from it. They use high-end scanning methods to ensure absolute recovery.

Stellar Phoenix Macintosh Data Recovery is a read-only and easy to use application for safe and simple recovery. The software recovers lost Mac data from all HFS, HFS+, HFSX, HFS Wrapper, and FAT file system volumes of Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther.

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