Audio appears and disappears randomly


  1. Posts : 18
    Windows 10
       #1

    Audio appears and disappears randomly


    Hi all,

    For no apparent reason audio from my laptop's internal speakers appears and disappears. As I was troubleshooting I noticed random fluctuation in the audio levels in Windows Stereo Mixer.

    Take a look at this short video here demonstrating both the audio loss as well as the audio level spasms.
    https://gofile.io/d/EpwenI

    If I cast to an external device like a bluetooth soundbar, this does not happen. This suggests it's a laptop hardware issue but I would like to eliminate any other possibilities before buying parts/taking things. Plus, what's up with the sound mixer? That makes me think it's a software issue.

    And as much as I know how I disabled/enabled audio devices, uninstalled drivers, installed different versions of drivers, etc etc.

    Thanks in advance.
      My Computer


  2. Posts : 16,180
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #2

    Hello @MMZWHAT,

    MMZWHAT said:
    For no apparent reason audio from my laptop's internal speakers appears and disappears. As I was troubleshooting I noticed random fluctuation in the audio levels in Windows Stereo Mixer.

    And as much as I know how I disabled/enabled audio devices, uninstalled drivers, installed different versions of drivers, etc etc.
    Seeing as you have performed disabling, enabling, and uninstalling of drivers etc, have you . . .

    [1] Run WU for drivers to see if that corrects it?
    [2] Open an elevated cmd prompt and type in the following cmd and press <ENTER> . . .

    Code:
    sfc /scannow

    I hope this helps!
    Last edited by Paul Black; 10 Jul 2020 at 08:47.
      My Computer


  3. Posts : 7,484
    Windows 10 Home 20H2
       #3

    Paul Black said:
    pressing the Win + X keys together and select Command Prompt (Admin).
    Command Prompt (Admin) is not available.
    Windows PowerShell (Admin) is available.
      My Computer


  4. Posts : 16,180
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #4

    Matthew Wai said:
    Command Prompt (Admin) is not available.
    Windows PowerShell (Admin) is available.
    It's because I have mine setup that way [ post changed ], thanks for pointing it out!
    Last edited by Paul Black; 10 Jul 2020 at 09:28.
      My Computer


  5. Posts : 7,484
    Windows 10 Home 20H2
       #5

    I suggest the following straightforward way:

    Right-click on the Start button -->Windows PowerShell (Admin).
    Run this command: sfc /scannow
      My Computer


 

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