In Apple Mac OSX an external hard drive with FireWire support can be attached and mounted on a Mac OS X computer as normal, unless it is not affected by corruption issues. A Mac OS X system allows to access the external drives through 'Disk Utility' But if the drive file system is corrupt, Mac will prompt errors while preventing you from accessing its data.
These are some situations when you may need to reformat the hard drive and restore data from the last backup in stock. For any reason, if backup is unavailable or invalid, you require a Mac Data Recovery utility. Consider the following realistic problem to comprehend such problems in more detail. A Mac OS X user plugs an external hard drive in its computer, but the drive cannot be accessed. In addition, the system gives the following error on screen:“The disk you inserted was not readable by this computer”
The error dialog box is consisted of three options: 'Initialize', 'Ignore', and 'Eject'. Further, when the user clicks 'Initialize', 'Disk Utility' screen appears. User cannot repair the drive because all the associated options appear as grayed out. Also, the 'Partition' tab shows the hard drive as unformatted
The user is trying to access a corrupted external hard drive.You need to apply the following measures to troubleshoot the depicted problem:
You can try running fsck command to fix corruption issues with the corrupted drive.
If the above method fails, you need to install a fresh file system. To do so, you need to reformat the drive. Since the operation causes the entire data store of drive to delete, an updated backup is required to restore the lost data.
In case you find backup unavailable, incomplete, or corrupted, you are suggested to use a Mac Drive Recovery utility. Provided with safe features to recover lost or deleted data, the Mac Data Recovery software use powerful scanning algorithms. Moreover, you can use these applications in each case of logical crash with a Mac drive
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