stevo@DeepinLinux:~$ sudo xrandr
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192
VGA-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
   1920x1080     60.00*+
   1680x1050     59.95
   1280x1024     75.02    60.02
   1440x900      59.89
   1280x960      60.00
   1280x800      59.81
   1152x864      75.00
   1280x720      60.00
   1024x768      75.03    70.07    60.00
   832x624       74.55
   800x600       72.19    75.00    60.32    56.25
   640x480       75.00    72.81    66.67    59.94
   720x400       70.08
HDMI-1 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 598mm x 336mm
   1920x1080     60.00*+  50.00    59.94
   1920x1080i    60.00    50.00    59.94
   1680x1050     59.88
   1280x1024     75.02    60.02
   1440x900      59.90
   1280x960      60.00
   1280x800      59.91
   1152x864      75.00
   1280x720      60.00    50.00    59.94
   1024x768      75.03    70.07    60.00
   832x624       74.55
   800x600       72.19    75.00    60.32    56.25
   720x576       50.00
   720x576i      50.00
   720x480       60.00    59.94
   720x480i      60.00    59.94
   640x480       75.00    72.81    66.67    60.00    59.94
   720x400       70.08
DP-1 disconnected (normal left inverted right x axis y axis)
stevo@DeepinLinux:~$ more 3way.sh
#!/bin/sh
xrandr --output DVI-I-1-1 --auto
xrandr --output VGA1 --mode 1920x1080 --pos 0x0 --rotate normal --output DVI-I-1-1 --mode 1920x1080 --pos 3840x0 --rotate normal --output HDMI1 --primary --mode 1920x1080 --pos 1920x0 --rotate normal

stevo@DeepinLinux:~$ sudo xrandr --output DVI-I-1-1 --auto
warning: output DVI-I-1-1 not found; ignoring