I think /var/log/Xorg.o.log and the output of lspci -vvnn would be a good start. Also, I think using nvidia-settings creates an /etc/X11/xorg.conf file; if you have that, it would be interesting to have to.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/988079 Title: Dismal performance on HP Z600 with 30" landscape monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/988079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs