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

    suddenly the screen can't turn on

    Scheduled Pinned Locked Moved Unsolved Troubleshooting
    15 Posts 4 Posters 3.4k Views 4 Watching
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    • S Offline
      sdetweil @lkthomas
      last edited by

      @lkthomas no other changes?

      Sam

      How to add modules

      learning how to use browser developers window for css changes

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      • L Offline
        lkthomas @sdetweil
        last edited by

        @sdetweil sorry what do you mean?

        S 1 Reply Last reply Reply Quote 0
        • S Offline
          sdetweil @lkthomas
          last edited by

          @lkthomas you made no changes to the system before this trouble?

          Sam

          How to add modules

          learning how to use browser developers window for css changes

          L 1 Reply Last reply Reply Quote 0
          • L Offline
            lkthomas @sdetweil
            last edited by

            @sdetweil nope, I was using a 3 years old OS, so I did an upgrade to latest version of the OS on my RPi 3B+, problem still the same.

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            • S Offline
              sdetweil @lkthomas
              last edited by

              @lkthomas do it failed before you upgraded the os.

              Sam

              How to add modules

              learning how to use browser developers window for css changes

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              • L Offline
                lkthomas @sdetweil
                last edited by

                @sdetweil yes, it failed even before upgrading the OS, it’s not “upgrading”, it’s a fresh install

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                • M Offline
                  MyMirror @lkthomas
                  last edited by

                  @lkthomas

                  Give this a try:
                  in /boot/config.txt
                  change

                  dtoverlay=vc4-kms-v3d
                  

                  to

                  dtoverlay=vc4-fkms-v3d 
                  

                  then
                  vcgencmd display_power 1
                  vcgencmd display_power 0

                  BR
                  Jens

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                  • L Offline
                    lkthomas @MyMirror
                    last edited by

                    @MyMirror testing now, but isn’t fkms deprecated already?

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                    • L Offline
                      lkthomas @MyMirror
                      last edited by

                      @MyMirror I got the same issue using FKMS with “vcgencmd display_power 1” command, it got blank screen after 2 seconds of showing the object on the monitor

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                      • M Offline
                        MyMirror @lkthomas
                        last edited by

                        @lkthomas
                        Hmm, you are on Bookworm, right?
                        Maybe this helps: https://forums.raspberrypi.com/viewtopic.php?t=358689

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