27 Apr 2019, 21:29

@lglb my .xinitrc settings for my dual display

export DISPLAY=:0
intern=DVI-D-0
extern=HDMI-0

# functions to switch DVID-0 same as HDMI-0 
if xrandr | grep "$extern disconnected"; then 
    xrandr --output "$intern" --auto --output "$extern" --off 
else
    xrandr --output "$intern" --mode 1280x1024 --scale 1x1 --output "$extern" --same-as "$intern" --scale 0.66666667x0.94814815
fi