cvt 1920 1080
>>>Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
xrandr
>>> Virtual1 .....
xrandr --addmode Virtual1 --mode "1920x1080_60.00"
xrandr --output Virtual1 --mode '1920x1080_60.00'