#MAC OS DISK UTILITY LOCKED DISK PORTABLE#

It is the built-in feature of the Mac and can back up your files with ease to an external storage device so as to restore them in the event of unexpected accidents. Usually, the tool called Time Machine will be a good option. Back up Important Files with Time Machine on Macīefore solving the drive that Disk Utility can't repair, the most important thing is to make a backup of the disk data. If Disk Utility can't repair external hard drive or Macintosh HD, you should do as the error message shows: back up as many of your files as possible before fixing the issue for data protection. Well then, what should you do to fix Macintosh HD, external hard drive or another disk that Disk Utility can't repair? Here are some solutions for you. But if the hard drive is beyond the repair scope of Disk Utility, for example, file system gets corrupted, the issue appears. Usually, this problem may not only happen on Macintosh HD but also on an external hard drive in Mac Mavericks, Yosemite, EI Capitan, or Sierra.Īctually, the above message won't show up in normal circumstances of disk errors. However, sometimes you may receive the error message 'Disk Utility stopped repairing 'Macintosh HD'/disk1s2/External HDD, etc.

When certain disk problems happen, to repair this disk using Disk Utility will be a good choice. These tasks include formatting, partitioning, erasing, cloning disks, repairing a damaged disk, etc. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.' forums.macrumorsĭisk Utility, developed by Apple, is a comprehensive system utility for performing disk and disk volume-related tasks on the Mac operating systems. Now when I run disk utility and click Repair Disk it says: 'Disk utility can't repair this disk. I might have accidentally disconnected the hard drive without ejecting it first.

#MAC OS DISK UTILITY LOCKED DISK PORTABLE#

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Mac os disk utility locked disk