Thank you for reporting this issue in Ubuntu. Unfortunately you have failed to provide any information that will help to debug it.
Please explain what the problem is in detail. Also you must attach your /etc/X11/xorg.conf and /var/log/Xorg.0.log, as well as the output from lspci -vvnn.
Thank you for reporting this issue in Ubuntu. Unfortunately you have failed to provide any information that will help to debug it.
Please explain what the problem is in detail. Also you must attach your /etc/X11/xorg.conf and /var/log/ Xorg.0. log, as well as the output from lspci -vvnn.