While playing with F9, I tried changing the resolution of the screen. I accidentally hit an unreadable resolution. I couldn't read a thing.
I hit ctrl shift backspace to reset x-window. logged back in and could read (everthing scrambled).
I went back is as ROOT and it was ok there. But since I was getting ready to reinstall anyway, I messed with resolution under ROOT desktop and it seemed permanent.
How do you re-boot F9 in a DEFAULT display resolution?