I want to give my son my old Mac. and want to factory restore. Did the restart and option R and was 1/2 done and it shut off and after that when I tried to repeat. now I get messages Mac OS missing files. :(
MacBook Pro
Hello,
You will now need to prepare a bootable installer for macOS using another Macintosh.
How to create a bootable installer for macOS - Apple Support
Hello,
You will now need to prepare a bootable installer for macOS using another Macintosh.
How to create a bootable installer for macOS - Apple Support
can't startup/factory restore Mac Pro 2012
