The MacBook would boot as far as the login screen, but any attempt to use or repair it would just reboot, even at the Genius Bar. I managed to recover recent files by connecting from another computer over the network and copying them, 60 seconds at a time.| Hyperborea: New Posts
Go into Device Manager and tell it to show hidden devices. There could be a broken display config interfering with the driver for the real adapter.| Hyperborea Tech Tips