Please open the 'Additional Drivers' app and install the latest Nvidia driver that it offers you. I expect it will be version 390 for the Nvidia GeForce GT 525M. Once installed, please reboot and then tell us if the problem persists.
** Tags added: nouveau ** Package changed: xorg (Ubuntu) => xserver-xorg-video-nouveau (Ubuntu) ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1955297 Title: Xorg freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1955297/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs