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#Macbook pro error could not unmount disk how to
#Macbook pro error could not unmount disk software
#Macbook pro error could not unmount disk password
#Macbook pro error could not unmount disk professional

#Macbook pro error could not unmount disk password

Restart your Mac and boot into Recovery mode.įor Intel Macs, press and hold Command+R when restarting the Mac, then enter Mac password to enter the recovery mode.

Steps to Repair Startup Disk Using Recovery Mode You can reinstall macOS and restore data under this mode, also can repair startup disk. Repair Startup Disk Using macOS Recovery ModeĪll Macs come with a recovery mode to help users recover their Macs and get their Macs back into good condition again. If this solution can’t fix the Disk Utility stopped repairing (the name of your drive) issue, then use the next solution. If you see a line saying “The volume (the name of your drive) could not be verified completely”, it means FSCK tool can’t repair the disk. Input Reboot and press Enter to restart your Mac. Input command line : /sbin/fsck_file system –fy /dev/drive identifier, for example: /sbin/fsck_hfs /dev/disk0s2, press Enter to start the checking and repairing. Find the identifier of the external hard drive you want to repair, and remember (copy) the information for next step. Input the command line: diskutil list and press Enter to find all external hard drives connected on your Mac.

Steps to Repair External Disk Using FSCK under Single-User Mode Type reboot and press Return to exit single-user mode. If it finds any errors, it will say “File system was modified.” In this case, run the /sbin/fsck –fy command once again until it says “The volume (the name of your drive) appears to be OK.” If the system doesn’t find any errors on the disk that can’t be repaired by Disk Utility, it will say “The volume (the name of your drive) appears to be OK.” Wait until your system finishes running through its own checks. For M1 Mac, press and hold Command+R during mac restart, then choose Utilities>Terminal. Restart your Mac and boot into Single User mode.įor older Mac, as soon as you hear the startup sound, press and hold both the command key and S key, which will boot your system into single-user mode.

Steps to Repair Internal Disk Using FSCK under Single-User Mode The instructions below will walk you through the process. If you are not familiar or confident with command line usage, don’t worry. But this tool is actually pretty simple to use. You can only access the FSCK tool through the FSCK command line that appears complex. This solution is available on every Mac computer. If the first solution to fix “macOS Disk Utilty Can’t Repair This Disk” with First Aid failed, then you can use single-user mode and the FSCK tool. Using Single-User Mode (FSCK Command) When Disk Utility First Aid Failed While, how long does Disk Utility first aid take depends on the capacity and condition of your hard drive.

Then click on First Aid>Run, to start repairing your disk again.

Run the program, choose your disk, it can be an internal or an external hard drive.

Step to Fix macOS Can't Repair the Disk with First Aid Again So, before trying the other 4 solutions provided in this article, you can try out this easy fix. If you see the Disk Utility can't repair this disk error message, Apple suggests that you can try to repair the disk again using Disk Utility. Fix macOS Can't Repair the Disk with First Aid Again

#Macbook pro error could not unmount disk software

You can get your data back using reliable data recovery software for Mac. If unfortunately, you have lost some or all of your files, you can restore them from backup. The causes of the error or the fixes (such as disk formatting) for the error could lead to data loss. Will this error cause data loss? How can I recover my data?

#Macbook pro error could not unmount disk how to

The rest of the article will show you how to fix it. Can I fix the macOS Disk Utility can't repair this disk error? Such issues include file system corruption, dead hard drive, etc.

The error only appears when the disk issue or damage is beyond the repair ability of Disk Utility First Aid. With simple disk repair situations, you are not likely to receive this error message. If it’s the internal hard drive, you may also see information saying “The volume Macintosh HD could not be repaired.” What are the possible causes of the Disk Utility can't repair this disk error? This error can occur with internal hard drive, external hard drive, SD card, USB flash drive, etc. When you try to repair your disk on Mac using Disk Utility, if the First Aid fails, you may receive an error message telling you that Disk Utility stopped repairing Macintosh HD.

Extended: Disk Formatted and Lost All Files? Get the Files Back!Ībout "macOS Disk Utility Can't Repair This Disk" What is the macOS Disk Utility can't repair this disk error?.Format The Disk and Restore Files from Backup

#Macbook pro error could not unmount disk professional

Use A Professional macOS Disk Repair Tool (Internal & External Disk) Repair Startup Disk Using macOS Recovery Mode Using FSCK Command under Single-User Mode

About macOS "Disk Utility Can't Repair This Disk".