I Cann't get the option screen by pressing the Option Key while booting my Mac Pro 2010, Any solution?
I am trying to upgrade FROM OS 10.15 to 12.00
Mac Pro, macOS 10.15
I am trying to upgrade FROM OS 10.15 to 12.00
Mac Pro, macOS 10.15
to see any keys depressed at startup, your wired USB keyboard must be on a USB port DIRECTLY on the chassis, not on a display or other USB Hub.
I Cann't get the option screen by pressing the Option Key while booting my Mac Pro 2010, Any solution?