I have the same problem in AMD 7500 HD and the radeon driver. (fglrx never worked for me no luck)
Ubuntu 12:10 xserver-xorg-video-radeon 1:6.99.99~git20120913.863 amd64 I had also tried changing the desktop wm from gnome(unity) to xfce4 problem persists as well -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1071722 Title: Mouse cursor duplicated in dual screen setup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1071722/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp