i have worked round this by adding xrandr commands to /etc/gdm/Init/Default
Not really sure whether this is the correct course of action.however saw a blog post suggesting it and seems to have worked -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. https://bugs.launchpad.net/bugs/718519 Title: login screen not displaying at correct resolution for dual monitors _______________________________________________ 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