Mac mini Problem - Won't boot after upgrading to High Sierra (Bless)
If you startup with the USB drive again, try to use the Disk Utility (available pre-install) to set the Startup/Internal Drive ("blessing" it).
Mac mini Problem - Won't boot after upgrading to High Sierra (Bless)
If you startup with the USB drive again, try to use the Disk Utility (available pre-install) to set the Startup/Internal Drive ("blessing" it).