The problem appears also in gnome (unity has a complete unusable screen) so the problem might be related to xorg!
My horizontal screensize is pretty big 2* 1650 ! In Kubuntu the screen is ok until the last session setup icons appear. Working with the graphical dual-screen setup tools leads to several display errors including offsets of the first monitor -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kubuntu-meta in Ubuntu. https://bugs.launchpad.net/bugs/773123 Title: second monitor has an offset mouse has not -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs