Installed the drivers acording to the manual setup in the Ubuntu help wiki, ran amdcccle and setup the dual display, enabled Xinerama so I can move stuff between monitors and now my desktop looks like
and the second monitor is white. I can move the mouse to it, but not the windows.
I use Ubuntu 12.04.
not reproducible
. – WinEunuuchs2Unix Jul 24 '17 at 03:00