I found this possible solution https://devtalk.nvidia.com/default/topic/678774/linux/nvidia-331-38-frequent-ubuntu-13-10-freeze-gtx-780m-kernel-3-11/post/4105872/#4105872 I don't know if it works, I just change it and I am waiting to see if that solves the problem
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310551 Title: NVIDIA proprietary driver 331.38 from package nvidia-331 on Xubuntu 14.04 causes display to hang To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1310551/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs