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    A New Chapter for MagicMirror: The Community Takes the Lead
    Read the statement by Michael Teeuw here.

    Monitor says "NO SIGNAL"

    Scheduled Pinned Locked Moved Troubleshooting
    14 Posts 4 Posters 4.3k Views 4 Watching
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    • S Do not disturb
      sdetweil @Ameyalgudkar
      last edited by

      @Ameyalgudkar if u turn the monitor off and then back on, does it work after disconnecting from the pi?

      some monitors remember signal at disconnect.

      Sam

      How to add modules

      learning how to use browser developers window for css changes

      A 1 Reply Last reply Reply Quote 0
      • A Offline
        Ameyalgudkar @sdetweil
        last edited by

        @sdetweil yes, it works without any problem if it’s connected to the pi. Only does not display anything saying (no signal) when I connect the same HDMI to a laptop out port.

        S 1 Reply Last reply Reply Quote 0
        • S Do not disturb
          sdetweil @Ameyalgudkar
          last edited by

          @Ameyalgudkar no, you missed my question

          working on pi,
          unplug from pi
          plug onto laptop, fails

          unplug from laptop
          power monitor off
          plug on to laptop
          turn monitor on
          does it work??

          unplug from pi
          turn monitor off
          plug onto laptop
          turn monitor on
          does it work

          Sam

          How to add modules

          learning how to use browser developers window for css changes

          A 1 Reply Last reply Reply Quote 0
          • A Offline
            Ameyalgudkar @sdetweil
            last edited by

            @sdetweil unplug from laptop
            power monitor off
            plug on to laptop [NO IT DOES NOT]
            turn monitor on
            does it work??

            unplug from pi
            turn monitor off
            plug onto laptop NO
            turn monitor on
            does it work

            in simple term, display only works if the hdmi is connected to pi and getting input from pi.

            S 1 Reply Last reply Reply Quote 0
            • S Do not disturb
              sdetweil @Ameyalgudkar
              last edited by

              @Ameyalgudkar the monitor NEVER works on laptop??

              Sam

              How to add modules

              learning how to use browser developers window for css changes

              A 1 Reply Last reply Reply Quote 0
              • A Offline
                Ameyalgudkar @sdetweil
                last edited by

                @sdetweil nope.
                But it used to before I installed magic mirror and some modules.

                S 1 Reply Last reply Reply Quote 0
                • S Do not disturb
                  sdetweil @Ameyalgudkar
                  last edited by

                  @Ameyalgudkar if u unplug monitor from power, does it reset?

                  Sam

                  How to add modules

                  learning how to use browser developers window for css changes

                  A 1 Reply Last reply Reply Quote 0
                  • A Offline
                    Ameyalgudkar @sdetweil
                    last edited by

                    @sdetweil it does not reset I don’t think it does. because I tried the method you mentioned but it didn’t work.

                    S 1 Reply Last reply Reply Quote 0
                    • S Do not disturb
                      sdetweil @Ameyalgudkar
                      last edited by

                      @Ameyalgudkar wow… never ever seen that before… in 40+ years

                      Sam

                      How to add modules

                      learning how to use browser developers window for css changes

                      A 1 Reply Last reply Reply Quote 0
                      • A Offline
                        Ameyalgudkar @sdetweil
                        last edited by

                        @sdetweil haha yeah even I am not sure what did I do wrong or where. because the monitor used to work fine everything was working well, but this just happened suddenly. Maybe I will just use this monitor on RPI from now on.
                        Also, I am using it with a DVI to HDMI cable and to micro HDMI. could it be due to any of those reasons?
                        and I tried removing the DVI and inserting it back as well but that did not work as well.

                        S 1 Reply Last reply Reply Quote 0
                        • S Do not disturb
                          sdetweil @Ameyalgudkar
                          last edited by

                          @Ameyalgudkar hm… i use dvi/hdmi adapter on one monitor, but again, never seen monitor locked to one system, or signal.

                          now… I HAVE seen one system locked to specific config…

                          I have to power off/on my pi4 if I want the second display to work… only recognized at power on…

                          Sam

                          How to add modules

                          learning how to use browser developers window for css changes

                          A 1 Reply Last reply Reply Quote 0
                          • A Offline
                            Ameyalgudkar @sdetweil
                            last edited by

                            @sdetweil well, thank you for the time I appreciate it. and hope you find a solution in future for this.

                            1 Reply Last reply Reply Quote 0
                            • Jefferjames87J Offline
                              Jefferjames87
                              last edited by

                              Hello,

                              Is your problem is solved?

                              Recently, I am also facing the same issue, I tried to contact the customer care service of the monitor.

                              Later I released, I am using the outdated drivers and hence it is creating the issues to display the pictures. I think you have the same scenario. I am linking to the resource, you can check them for step by step troubleshoot.

                              Thanks,
                              Jeffer James

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