1/29/2024 0 Comments Time machine couldn t unmount diskIf you're asked for a password to unlock the disk, enter your administrator password.Īfter Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again.If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected.If there is no Run button, click the Repair Disk button instead.In this example, the last volume on the disk is Macintosh HD - Data.Ĭlick Run to begin checking the selected volume for errors. Then the whole volume will be marked as "busy" and you'll be prompted to repair the volume if you look at it in Mac's Disk Utility.For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab. As a result, the disk won't readable by Mac.įor instance, you have a disk that is formatted with FAT32, and you didn't unmount your disk properly when you remove it from your Windows PC. It's because when a USB drive is disconnected by yanking out the disk, the disk may be busy in getting data settled down. In some cases, if an external drive is shared between a Mac and a Windows PC, you could receive the error message "Disk Utility can't repair this disk" as well. Bonus tip: You may not need to repair the disk in Disk Utility If Disk Utility First Aid still failed on external hard drives, and you receive the information like "This drive has a hardware problem that cannot be repaired" on your iMac, MacBook Pro, or MacBook Air, you may need to send it to a local repair center or simply replace it with a new disk drive. Provide a name and a format to format the drive.Īfter reformatting this disk, you can restore your backed-up or recovered files to the disk again.Select the external hard drive and click Erase on the top.Go to Applications > Utilities > Disk Utility.If you failed to fix the disk using Single User Mode, then, you have to reformat the disk in Disk Utility as suggested. Reboot Method 2: Fix Disk Utility can't repair this disk error by reformatting. If you see "File system was modified", then re-type in the command above again until you see "The volume _ appears to be OK". Restart your Mac and, before the Apple logo appears, hold down Command + S keys to boot into Mac Single User Mode.ģ. FSCK is a powerful command line to verify and repair external hard drive in Terminal.ġ. If Disk Utility can't repair this disk, you can try to repair it by running fsck command on Mac. Method 1: Fix Disk Utility can't repair this disk error in Single User Mode. How to fix Disk Utility cannot repair this disk issue on Mac? Preview the searching results, choose the files you need, and click Recover to get them back.Select the disk and click the Search for Lost Data button to scan all lost data.Download and install iBoysoft Data Recovery for Mac.Sometimes, it would be followed up with these error messages: "Disk Utility can't repair this disk" is one of the messages you will receive when First Aid failed. Now, what should I do to fix this error without losing data on my drive? Back up as many of your files as possible, reformat the disk, and restore your backed-up files". It gives me message "Error: Disk Utility can't repair this disk. I am in the midst of trouble where Disk Utility is failing to repair the drive. You might be experiencing the same or similar situation as the user below. Help! Disk Utility cannot repair this disk In this article, we will give you effective solutions to fix the "Disk Utility can't repair this disk" issue, especially when you are facing the issue that Disk Utility can't repair external hard drive, or when Disk Utility can't repair Macintosh HD on Mac. Though frustrating, it doesn't mean you will necessarily lose all files. However, the error message "Disk Utility can't repair this disk" error usually appears when Disk Utility First Aid fails to repair this disk. When a disk is not working properly on a Mac, most users would go to Disk Utility and run First Aid to repair this disk. How to back up or recover lost data from an unrepairable disk?
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