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I was trying to setup the desktop cube, and i used some gnome config thing and I checked a box, and the screen went white. any help would be appriciated, I know i wasn't very detailed, but thats all I remember.
Try pressing ctrl+alt+backspace. You might need to reconfigure X.org, though. I am guessing your graphics card can't handle compiz (desktop effects) and failing to activate it in most cases just returns to previous configuration...
You're not drunk if you can lie on the floor without holding on. --Dean Martin