Works as expected
xrandr --output LVDS --auto --output VGA --auto
xrandr --output LVDS --auto --output VGA --off
After adding this to /etc/X11/xorg.conf Section “Screen”
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1024x600" "800x600" "640x480"
Virtual 2048 768
EndSubSection
