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I am trying to reformat my mac book and have erased the macintosh HD -data volume but when I try to erase the macintosh HD it says it can't as it is in use by process 693(kextcache)
Couldnt unmount disk
what can I do?
MacBook Pro 13", 10.15
To erase the drive you have to boot into the recovery partition or Internet recovery. I suspect you haven't.
To erase the drive you have to boot into the recovery partition or Internet recovery. I suspect you haven't.
Reformatting MacBook Pro late 2012
