There are no such things as "stupid" questions. However if you think your question is a bit stupid, then this is the right place for you to post it. Please stick to easy to-the-point questions that you feel people can answer fast. For long and complicated questions prefer the other forums within the support section. Before you post please read this
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