I have experienced a similar problem where switching from a quasi dual display mode to single display causes the desktop manager to loose it's mind. I see that it's suggested that kscreen resolves this problem but my system DOES have kscreen installed and I still have the problem.
Fedora 19 x86_64:
I have experienced a similar problem where switching from a quasi dual display mode to single display causes the desktop manager to loose it's mind. I see that it's suggested that kscreen resolves this problem but my system DOES have kscreen installed and I still have the problem.
George...