Windows 10: Help - audio not playing despite replacing drivers and bios !?

  1.    13 Jan 2017 #1

    Help - audio not playing despite replacing drivers and bios !?

    I have a Dell Latitude laptop, Win 10.
    I have a Realtek sound card which often won't work.
    The audio meters jump up and down (see pic below) but no sound comes out, even when I plug in headphones etc. No sound is coming out.
    Click image for larger version. 

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    Things I've tried:
    1) Update sound card driver
    2) Change sound card driver to Audio High Def
    3) Update BIOS
    4) Update Windows
    5) Switch off audio "enhancements"
    6) Change sample rates (I tried all of them)
    7) Cold boot
    8) Uninstalled audio card from device manager, and reinstalled
    9) Started-Stopped Windows Audio in Services
    10) Updated docking drivers

    The laptop was plugged into a dock at one point. I wonder if that confused it?
    I think the audio works OK through the docking station.

    Help! Any ideas?
      My ComputerSystem Spec

  2. Caledon Ken's Avatar
    Posts : 9,717
    Windows 10 Pro x64 Build 1803
       16 Jan 2017 #2

    Have you run the Windows Trouble Shooting routine for sound? Right click on speaker, systray, trouble shooting.

    When you right click on Speaker and Open Volume mixer are any marked muted, are they all around same level?

    When you right click on speaker and select playback devices, click on speakers, click on configure and then test, do you hear sound.
      My ComputerSystem Spec


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