Volume decreases until mute


  1. Posts : 57
    Windows 10
       #1

    Volume decreases until mute


    On my daughter's ultrabook, when she starts watching youtube videos the audio continually gets quieter until it is mute.
    If I open the sound mixer, I can see the sound from the youtube video is still playing at normal volume. But no sound is coming out of either the built-in speakers or her headset.
    What causes this, and how do you fix it?
      My Computer


  2. Posts : 35,402
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #2

    Hi, probably unrelated to your case, but there was an audio issue resolved by a Windows Update:
    https://docs.microsoft.com/en-us/win...903#335msgdesc

    (search that for audio).

    If a video is played from a file on disk, does the same occur?
    And does the same happen with a different browser?
      My Computers


  3. Posts : 12,460
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #3

    Most Notebooks also have a hardware volume control, usually a key or combination of keys, in addition to the OS controls. I'd get a can of compressed air and blow out the keyboard, could have something interfering with the hardware.
      My Computers


  4. Posts : 57
    Windows 10
    Thread Starter
       #4

    Most Notebooks also have a hardware volume control
    When I open the volume mixer, I can see that the source of the audio is still playing at normal volume. It is just the 'speakers/headset' that shows no volume (or very little). I can still raise, lower, and mute the volume via the hardware keys and that works- all volumes are at 100%. If it were a stuck key I would assume the volume slider would be at the bottom.

    If a video is played from a file on disk, does the same occur?
    And does the same happen with a different browser?
    The problem occurs even if after a fresh boot we just open a local video and play it. As several seconds go by, maybe 20, the volume continually lowers until it is nearly mute. Same with IE.

    there was an audio issue resolved by a Windows Update
    Thank you, I will look into that

    EDIT: I tried to do the update, but it says 'The update is not applicable to your computer'
    Last edited by 3DPiper; 11 Oct 2019 at 08:39.
      My Computer


 

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