or repair any volume format supported by Mac OS X. mount: / failed with 66 The article provides the top 4 ways to fix the error-The article provides the top 4 ways to fix the error- When the first aid could not unmount the volume for repair, try using the Use. If you must have the file, then check your backup for a usable copy. Disk Utility Burn New Image Unmount Eject Enable journaling Info First Aid. If you don't need the file, or you can delete the file and easily recreate it.
(Note: If the Mac has already mounted your external hard drive (volume) then, the.
More than likely, both files have become corrupt, but there's a slight chance you can recover one or both of them. I recently bought a MacBook Pro M1 and a SanDisk external ssd. The overlapped error indicates that two (or possibly more) files occupied the same location on the drive receiving repair.
Type in your username and password if asked. Power on your Mac and keep holding the power button until you see ‘loading startup options’ Choose Options, then Continue. Release Command-R when you see the Apple logo.