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Monitor goes to sleep when watching YouTube

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    [Monitors] Monitor goes to sleep when watching YouTube

    Having a problem when watching long YouTube videos. My monitor is going to sleep. I don't see any setting to toggle this behaviour. It's good that the monitor would sleep, but it shouldn't happen when watching a video, right? I'm watching YouTube in the Firefox flatpak app. I don't recall this happening with the previous snap installation.

    #2
    External monitor, or is this a laptop? Specs of either please. And, what version of Kubuntu are you running?
    Windows no longer obstructs my view.
    Using Kubuntu Linux since March 23, 2007.
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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      #3
      FF *should* report to the OS/Plasma that it is playing a video, even if it isn't full-screen iirc. Not sure if this issue you see is flatpak thing or not.
      I see it sometimes in the deb packages for the browser, but not when playing a movie using a video player.

      But you can toggle this off/on from the battery or Power Management icon in your system tray if it is acting up.


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        #4
        Originally posted by Snowhog View Post
        External monitor, or is this a laptop? Specs of either please. And, what version of Kubuntu are you running?
        Kubuntu 24.04 on my desktop PC with a Gigabyte M32Q monitor.

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          #5
          Still having this issue. Anyone have ideas?

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            #6
            The monitor itself has settings. Have you examined those for inactivity/sleep conditions?
            Windows no longer obstructs my view.
            Using Kubuntu Linux since March 23, 2007.
            "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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              #7
              Originally posted by Snowhog View Post
              The monitor itself has settings. Have you examined those for inactivity/sleep conditions?
              I tried that, but the only thing the monitor has is an auto-off setting, which I have disabled. The issue only happens in Kubuntu, and is not happening when I boot into Windows 11. I have a dual boot system. Kubuntu just isn't recognizing that a video is playing in the browser. It sleeps the monitor, and locks the user account.

              I like this functionality for normal use, but I don't want it to happen when I watch videos.

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                #8
                Are you using Plasma (Wayland) or Plasma (X11) when you login to the Desktop? I would see if using the 'other' has any effect.
                Windows no longer obstructs my view.
                Using Kubuntu Linux since March 23, 2007.
                "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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                  #9
                  It could be the snap release of Firefox not communicating it's status to the system properly, maybe try installing the .deb version to see if that helps. Guide below.

                  https://www.omgubuntu.co.uk/2022/04/...t-ubuntu-22-04

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