> Had the same problem(s) on my upgrades from Gutsy to Hardy. I got tired
> of messing with the "new & improved" xorg and loaded my old xorg.conf
> from Gutsy & all works now. If you have upgraded, you probably have a
> copy of your old xorg.conf in /etc/X11 - rename the "new & improved"
> xorg.conf to something else and rename your old xorg.conf.<name> to
> xorg.conf and then log out and back in. Should work.
>
> Also note that the old System|Administration|Screens and Graphics is now
> located at Applications|Other|Screens and Graphics, so you can try that
> as well. I did... didn't help, only reverting back to my old xorg.conf
> worked.
>
It would be good one can easily do it from the  Menu/GUI (restore the old xorg.conf to xorg.conf and backup the new).