Almost forgot about this from Disk Utility: Disk Utility can’t repair this. If you have any idea to get the HDD working or even safe the files, I would be really grateful.
#Could not unmount disk macbook air install
If that executes and does not give a cannot unmount error quit terminal and try the install again.Īgain using disk0 or whatever you found above. This was the try: sudo diskutil eraseDisk JHFS+ DISKVOLUME disk1 Started erase on disk1 Unmounting disk Error: -69888: Couldnt unmount disk. Type: diskutil erasedisk jhfs+ "Macintosh HD" disk0 If there were no core storage volumes found in the first place.įrom here identify your internal disk identifier. MacBook-Air-6: alexandraverini If Disk Utility failed to repair the disk.
#Could not unmount disk macbook air mac
Type: diskutil cs delete 123ADGF-3953-DSCB43G-0682BIAGĮxecute this, then quit terminal and try to use disk utility again to erase and format like you were trying before. Couldnt Unmount Disk/Volume for Repair Error on Mac 4 Ways to Fix Mac and. Then it says: Preparing to erase APFS Volume content. Now four volumes are Not Mounted - My Data, Preboot, VM, and Recovery. Run Disk Utility Verify/Repair Disk and Repair Permissions until you get no errors. Boot to the Recovery Volume (command - R on a restart or hold down the option/alt key during a restart and select Recovery Volume).
Here we see the same disk but this time it is Container disk3. Do a backup, preferable 2 separate ones on 2 drives. Sorry for the picture quality Recovery doesn’t allow screenshots. It says, 'Erase process has failed.' Details say the following: Erasing 'Macintosh HD' (disk2s5) and creating 'Macintosh HD'. This is what I see using Disk utility in Recovery mode. When I click Erase in Disk Utility the process stalls. In the box labeled Get Info, locate the Sharing & Permissions section and click on it. Im trying to erase it so that I can remove her stuff and set it up under my Apple ID. To do this, follow these steps: On the desktop, locate the icon representing the drive, right-click it, and pick the Get Info option. You should see something like 'Logical Volume Group: 123ADGF-3953-DSCB43G-0682BIAG.' Copy that string of random numbers and letters to the clipboard, then. I recommend you first check and configure the drive’s permissions. If it displays a bunch of stuff and doesn't say something along the lines of 'no core storage volumes found,' then you have to break up the Core Storage logical volume group first. Go to recovery or the install image and jump into terminal. Your drive is more than likely fine if SMART is verified, no need to replace.
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