Force unmount disk mac5/2/2023 ![]() You should now locate the disc that you want to unmount forcefully.After that, type “ diskutil list” to get a list of all the discs on the Mac.To begin, you must open the Terminal application.You can also try to fix the couldn’t unmount disk mac OS problem by using the command line to force the disc to be unmounted. You May Also Read: 8 Solutions To Fix Macintosh HD Not Mounted The right way to fix the issue is to use a separate USB device. If the disc causing the issue is the same as the primary boot partition, this will not work. For disc formatting, “ Erase” is employed.The Disk Utility is selected from the Boot Menu Verification, and the disc is repaired using the “ First Aid” option.The Mac is restarted while holding down the OPTION key, and the Recovery Partition is selected.The solution is then found in the prior approach. This does not apply to the use of partitions or formatting to change the boot disk’s configuration. In this situation, the problem is solved using the Recovery Partition, which is included with all subsequent versions of Mac OS X. The above issue can also occur when doing first aid or formatting a non-boot partition. Finally, on the original disc, complete the original task.įix Couldn’t Unmount Disk Mac Issue Using The Recovery Partition.Then go to “ First Aid” and double-check the disc.Select “ Disk Utility” from the boot menu.Then, in the meantime when the computer is booting, hold down the “ Option” key to select the associated boot disc.To begin, connect the USB boot drive to your Mac and restart it.You can use a USB boot device in this manner. If the disc to be edited is the boot drive, the most straightforward way is to boot the Mac system from another drive and then run Disk Utility on the disc. Resolve The Issue By Using A USB Boot Drive. Let’s move on to troubleshoot this issue: ![]() There is the risk of losing data, and the only way to protect your data is to create a full backup. ![]() You should backup disk data before attempting to fix this error with the help of the below solutions.
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