Can you attach your /var/log/Xorg.0.log and post the model of your graphics card?
-- Display corruption after short period https://bugs.launchpad.net/bugs/270617 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs