Unrecoverable error
after formatting my hard drive, the only thing that will come up on the screen when powering up is "unrecoverable error", Security Agent was unable to create requested mechanism builtin : pre login
iMac Pro
Question marked as
bill9255 wrote:
after formatting my hard drive, the only thing that will come up on the screen when powering up is "unrecoverable error", Security Agent was unable to create requested mechanism builtin : pre login
Revive or restore an Intel-based Mac using Apple Configurator - Apple Support
Revive or restore a Mac with Apple silicon using Apple Configurator - Apple Support
you can always Call Customer Support (800) MY–APPLE (800–692–7753)
or
on-line Contact - Official Apple Support