6/19/2023 0 Comments Cannot unmount disk error mac![]() If you used Disk Utility from macOS Recovery, you can now restart your Mac: choose Apple menu > Restart. ![]() The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself. Went back to disk utilities, erased it (this time it did not complain at all), re-installed OS. If you're asked for a password to unlock the disk, enter your administrator password.Īfter Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again. Having struggled with Couldn’t Unmount Disk for hours, I re-started my mac with cmd+r, opened terminal and unmounted disk.If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected.If there is no Run button, click the Repair Disk button instead.In this example, the last volume on the disk is Macintosh HD - Data.Ĭlick Run to begin checking the selected volume for errors. ![]() Error: -69475: You cannot request initial encryption while creating a new APFS Volume to be. ![]() If youre trying to erase a volume in Disk Utility and Disk Utility is reporting that it cannot unmount the volume to erase it brace yourself for this one unmount the. For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab. Some SMB volumes cant support macOS sparse disk images.
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