Thank you for reporting this bug in Ubuntu. Is this issue still occurring for you? If so, can you please attach your /var/log/Xorg.0.log, /var/log/Xorg.0.log.old, and /etc/X11/xorg.conf files?
Thank you for reporting this bug in Ubuntu. Is this issue still occurring for you? If so, can you please attach your /var/log/ Xorg.0. log, /var/log/ Xorg.0. log.old, and /etc/X11/xorg.conf files?