Please try to add this to the Device section in /etc/X11/xorg.conf:
Option "MonitorLayout" "LVDS,Auto"
If it helps, it is the same as bug #22985. In that case, please comment on that bug, and attach the output of "lspci -vv" to fully identify your hardware.
Please try to add this to the Device section in /etc/X11/xorg.conf:
Option "MonitorLayout" "LVDS,Auto"
If it helps, it is the same as bug #22985. In that case, please comment on that bug, and attach the output of "lspci -vv" to fully identify your hardware.