Overview Disk Utility Can’t Repair the Disk
Disk Utility is one of Mac’s most comprehensive system utilities, with many useful features such as fixing a corrupt disk, formatting, cloning disks, erasing, and more. We usually use the First Aid function in Disk Utility when a hard disk issue occurs. However, some Mac users might get an error message saying Disk Utility can’t repair the disk when using Disk Utility, which can get them pretty annoyed.
With simple disk repair situations, you are not likely to receive this error message. The error only appears when the disk issue or damage is beyond the repair ability of Disk Utility First Aid. Such issues include file system corruption, dead hard drive, etc. But you can quickly resolve this error quite easily by referring to the following methods we are going to share.
Methods to Fix Disk Utility Can’t Repair the Disk
Method 1：Backup Data
This method is the first thing you need to consider, which can prevent you from data loss to fight against the worst result caused by the Disk Utility can’t repair the disk error.
- Connect an external hard drive to your Mac, then click System Preferences > Time Machine.
- Then check the boxes of Back Up Automatically and Show Time Machine in menu bar.
- Finally, click Select Backup Disk… to select the correct hard drive to complete the backup. In the desktop menu bar, you can click the Time Machine icon to view the backup process and status.
Method 2：FSCK in Single-User Mode
The FSCK tool is the built-in diagnostic & repair program and it can verify & repair the current startup disk.
- Restart your Mac and boot into Single User mode: for older Mac, as soon as you hear the startup sound, press and hold the Command + S keys, which will boot your system into single-user mode； for M1 Mac, press and hold Command + R during mac restart, then choose Utilities > Terminal.
- In Terminal, type the command: /sbin/fsck -fy.
- By default, the target disk in Single User mode is read-only, thus, you need to run the command: type /sbin/mount -uw /.
- If things are working smoothly, you will receive the prompt The volume Macintosh HD looks OK. If not, try entering the command fsck –fy sometimes over until you acquire this response.
- Type reboot to exit Single User Mode.
Method 3：Reformat with Disk Utility
If the above solution is not suitable, you can do nothing but reformat the disk, which will delete all the stored data, and files from the drive alongside any harmful entities. You can simply use Disk Utility to get the job done.
- Go to Applications > Utilities, find and launch Disk Utility.
- Select the target disk or drive, click Erase feature in the top menu. Note that this operation will destroy all the data stored on it.
- Enter a name, choose a file system and a partition map.
- Finally, click the Erase button.
After completing the formatting, Disk Utility can’t repair this disk issue on an external hard drive can be solved. And the last thing you should do is to restore the deleted data from the backups.
Method 4：Restore Backed-up Data
- Plug your Time Machines disk into your Mac and launch Time Machine App, which will open the Time Machine drive.
- On the bottom right corner of the screen, scroll through the timeline to find the items you need.
- Find the latest version prior to the reformatting of your disk and hit the Restore button.
Restore Data without Backup
If you are not able to back up as many files as you wish for one reason or another, or if the backed-up data become corrupted or inaccessible, you can still get your formatted/erased data back without data loss.
To retrieve your data and files, you need our reliable Bitwar Data Recovery Software, which is able to recover formatted, erased and deleted data from Mac internal hard drive, external hard drive, SD card, flash drive and other devices. And this software support photos, documents, audio, videos, emails, archives, and other types of files.
Step 3. When the software finishes scanning your drive, it will display the results on your screen. Click on the file you want to recover and then click on the Recover button in the lower right corner.
The files you choose will be recovered and saved in the destination folder of your choice on your Mac. If you plan to format it in the near future, it is recommended that you do not use the same hard drive to recover your files.
Disk Utility can’t repair this disk is a common and fixable error. In this article, we have introduced to you 4 methods to fix the issue that Disk Utility can’t repair the disk and data recovery software to help you avoid data loss. It’s always a good idea to back up your files on a regular basis, especially the crucial ones. But if data loss does happen, Bitwar Data Recovery Software will help.