I have a Raspberry Pi 2 connected with a TouchScreen. I also connect another external display via HDMI.

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I've been trying to make my external display show as duplicate mirror the one on the touch screen, instead of showing the command line.

I don't know what is the option to do that.

Can someone please provide some hints ?

  • Not posting this as an answer as I don't know whether this works on the Pi and I don't have mine set up to check, but have a look at xrandr - perhaps that will get you started.
    – Mark Smith
    Feb 26 '19 at 17:58
  • Is xrandr is a command or an app ? Shall I run it as a command ?
    – code8888
    Feb 26 '19 at 18:46
  • Why don't you try it and see? 😏 (It's a command.)
    – Mark Smith
    Feb 26 '19 at 20:09

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