In Mac there are several errors which is difficult to cumbersome whenever they encounter and “Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.” Is one of the most common error which occur when you use Disk Utility in a bid to solve a problem and Disk Utility has shrugged its shoulders and given up.
So, if you are facing this issue, then try below mentioned few tricks: -
1.Backup Mac OS X:
Before you do anything, makes sure you have proper Mac backup available on an external drive, which can come handy in case of data loss situation. For backup, you can either use in-built Mac software like Time Machine or 3rd party tools like Stellar Drive Clone, Carbon Copy Cloner, etc.
2.Attempt the last ditch repair:
Do a last minute ditch repair, by booting your Mac OS X before the Apple logo will appear by holding down the Cmd+S button from your keyboard.
Now, release it when the boot progress bar indicator will appear. This will boot you into Single User mode and things will suddenly go very Linux, with a text-based display. Here, you don’t need to panic. Just wait until the flashing text cursor appears and type the following command:
If you see the following message at the end of the repair:
- FILE SYSTEM WAS MODIFIED *****
… then type the command again. Repeat another two or three times until you have a message similar to this returned:
- The volume appears to be OK
Of course, you may never see this because even this trick might not be able to fix your disk. However, you might be able to make note of its output and do a quick Google search to check a solution of this problem.
When you’ve finished in Single User Mode, type the following to reboot:
Note that you might not be able to enter Single User Mode if you have a firmware password set. You’ll need to temporarily disable it for further use. Additionally, on a Retina display the text will be tiny – but still readable if you move closer to the screen!
3.Final solution (use a commercial applications):
Here, you need to use some 3rd party commercial applications like Stellar Volume Repair Software which might be helpful in repairing disk permissions and also solving your issue.
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