Question: The operation couldn t be completed permission denied mac OS High sierra for OS X base system
I am trying to reinstall MACOS and receive the error "Permission Denied"
I cannot erase the driving using Disk Utility. The erase Icon is greyed out. It seems as if the hard drive is already erased. I have an iMac.
iMac (21.5-inch, Late 2012), iOS 10.2