1/28/2024 0 Comments Could not unmount disk osx![]() The output of diskutil cs list: CoreStorage logical volume groups (1 found) Update 2, after failure of diskutil cs resizeStack xxx 0g diskutil corestorage resizeStack 265D8E12-2452-4D7F-BF56-2075FBA9773A 0gĢ65D8E12-2452-4D7F-BF56-2075FBA9773A does not appear to be a valid Core Storage Logical Volume UUID or disk The partition has definitely decreased in size, but I want it gone entirely: $ gpt -r show /dev/disk0 Update 1, This is the state of /dev/disk0 after a failed attempt to remove the disk0s4 partition. However attempting to remove the disk0s4 or disk0s5 partitions results in: Could not unmount partition to be deleted.įrom the terminal, running diskutil list, I get: /dev/disk0ģ: Apple_Boot Recovery HD 650.0 MB disk0s3ĥ: 11111111-1111-1111-1111-111111111111 92.1 GB disk0s5Ġ: Apple_HFS Macintosh HD *149.1 GB disk1Įssentially how do I go about reclaiming the space from those two partitions (the swap and my linux partition) without damaging anything Mac related?Īnd additionally, I think, but I'm not sure if the EFI partition was something to do with the Linux bootloader - do I need it (I've already reset the boot device to Mac). So, try it.I setup dual boot on my Mac (with Ubuntu) and want to get rid of it. If your System has malware or spyware related issue, then you can scan your computer with very powerful antimalware tool Reimage that is able to detect/delete all junk files or viruses on your PC. You should protect your device and drive from damages. You can choose either one or all procedure to fix the issue as per System requirement. I hope this article helped you to fix Couldn’t Unmount Disk Mac with several easy methods. You may also read: How to Create Storage Account in Microsoft Azure with Few Mouse-Clicks Conclusion Once done, please check if the problem is resolved. Step 5: After that, go to First Aid to verify the disk and repair if it is necessary. ![]() Step 4: Choose Disk Utility from the Boot menu Step 3: Now, select the attached boot drive from the appeared menu Step 2: Restarts your Mac and press & hold the option key Step 1: At first, attach USB boot drive to your drive Procedure 3: To fix couldn’t Unmount Disk error Mac, you can check USB Boot Drive ![]() Or go to Erase if you want to format the disk. Step 4: Finally, go to First Aid if you want to verify and repair the disk. Step 3: Choose Disk Utility in appeared boot menu Step 2: Now, choose Recovery Partition option from the appeared menu Step 1: At first, restart your Mac and press & hold option key Step 6: Follow the steps if you want to unmount further the disk on your Mac Procedure 2: You can use Recovery Partition Step 5: After that, replace /dev/diskx with the correct disk number Step 4: Now, type sudo diskutil unmountDisk force /dev/diskx command in command line Step 3: Once list of all disks appears, you need to found the disk that you want to unmount Step 1: At first, access Terminal application You may also read: How to Fix Error 0xc000009a B1 Initialize Library Failed Issue On Windows PCs Ways to Fix Couldn’t Unmount Disk Mac: Tips & Tricks Procedure 1: fix couldn’t Unmount Disk error by using command line Let’s take have a look at solution to fix this issue. In case you have this issue on your PC, you might face several issues including sudden elimination of the running application, lost or corrupted files on hard drive, unable to open particular files or programs and unable to partition Mac HFS as well. The alert message might popup on your Mac when the driver is being used by other apps or process.Īs we know that, Disk Utility is important feature that helps to solve any problems related to disk or storage on your System. ![]()
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