Free Professional Premium. Written By Santosh Kumar Gupta. Approved By Rohit Arora. Min Reading 6 Min. Sometimes, the system crashes during boot, at times, the SSD throws a read-only error, and I need to restart my Mac often. Please advise to resolve the issue ASAP! The reasons for SSD corruption could be logical or hardware-related.
Disk Utility also asks you to back up your data and replace the disk. The Terminal app in your macOS is a powerful tool to perform low-level tasks and operations on volumes and containers.
Ryan April 16, Vishal April 16, Irene Luter May 8, Vishal May 9, John H. Benoit June 13, How I can recover data from a damaged Mac hard drive of size GB?
James P. Hanson May 25, Vishal March 21, HI Matthew, This is an indication of hard drive directory corruption. Matthew Munoz March 18, Johnny Miller March 3, Regards J Reply. Vishal March 4, Hi Johny, You can also try third party disk repair permission software which repairs corrupt permissions on Mac OS X for free.
Dan L. Bowling September 8, Vishal September 9, Wilson leung June 19, Thanks Reply. Vishal June 19, Now I have software issues and permissions issues again. When I do Disk Utility and try to repair permissions it just keeps saying the same permissions are corrupted over and over, and tells me that some of them will not be repaired.
Connect an external storage device with enough free space to your Mac. A notification will pop up and ask if you want to use this device to back up with Time Machine. Click on Use as Backup Disk and follow its on-screen instructions. Go to learn more about backing up your Mac with Time Machine. Method 2: Recover lost data from the disk that Disk Utility can't repair If you don't have an extra external drive in hand or you can't back up files from that disk with Time Machine for some reasons, alternatively, you can recover files with reliable data recovery software, likeiBoysoft Data Recovery for Mac.
Through only 4 steps, you can recover lost data from the disk that Disk Utility can't repair. Download and install iBoysoft Data Recovery for Mac. Launch iBoysoft Data Recovery for Mac. Select the disk and click Next button to scan all lost data.
Preview the searching results, choose files you need, and click Recover to get them back. How to fix 'Disk Utility can't repair this disk' issue on Mac? This will boot your Mac into Single User Mode. Type in: 3. To restart your Mac, type in: Method 2: Fix Disk Utility can't repair this disk error by reformatting.
Select the external hard drive and click Erase on the top. Provide a name and a format to format the drive. Wait until the process finishes. Bonus tip: You may not need to repair the disk in Disk Utility 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.
However Disk Utility will fail to repair the volume, and report: An easy workaround to this 'Disk Utility can't repair the disk' issue in this situation is to simply plug this disk drive back into a Windows PC, and unmount it properly before plugging it into your Mac. Mac won't turn on, what to do?
However, if your Mac doesn't start up all the way, or you want to repair the disk your Mac starts up from, open Disk Utility from macOS Recovery: Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps: Apple silicon : Turn on your Mac and continue to press and hold the power button until you see the startup options window.
When the external hard drive has been badly corrupted, formatting will be the last fix. It will remove all errors by writing a new file system on the external hard drive and prepare it as a new and blank disk for use. Before handling the formatting, you need to make sure you have adequate backups of important files.
Otherwise, you need to restore the files from the external HD first with a Mac file recovery app you trust. After the external hard drive is completely formatted, you need to safely eject it and replug it back to the computer. In fact, a lot of precautions you can take to avoid the early disk corruption.
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