I forgot to mention I'm also using double monitor (laptop + external screen with mini display port).
WORKAROUND: Use nvidia latest driver 381.22: http://www.nvidia.com/Download/driverResults.aspx/118524/en-us With this driver problem seems gone. -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to plasma-workspace in Ubuntu. https://bugs.launchpad.net/bugs/1684240 Title: Mouse pointer behaves strangely To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-375/+bug/1684240/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs