>From the blog in question here is the solution in a nutshell: There were issues with the AMD proprietary driver (“fglrx”) for both my 5770 and 5870 graphics. After removing the proprietary AMD driver, some residual issues still persist.
sudo apt-get remove --purge fglrx fglrx_* fglrx-amdcccle* fglrx-dev* xorg-driver-fglrx sudo apt-get remove --purge xserver-xorg-video-ati xserver-xorg-video-radeon sudo apt-get install xserver-xorg-video-ati sudo apt-get install --reinstall libgl1-mesa-glx libgl1-mesa-dri xserver-xorg-core sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.backup ** Package changed: unity (Ubuntu) => fglrx-installer (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/875038 Title: Cannot set dual display with radeon driver on Oneiric To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/875038/+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
