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No audio output device

By Violeta
Nov 23, 2012
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  1. My HP Pavilion DV9000 laptop has no sound. During Device Manager does not show any sound. I had sound, it worked, but today I had nothing. I have a Windows 7 Ultimate on it. I do not understand anything. What could be the cause?
    thank you
     
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 20,915   +167

    Those HP dv9000's run hot and it is possible that the sound chip on the motherboard has failed... If this is the case, there should be a yellow exclamation point on the audio device driver in the device manager
     
  3. Violeta

    Violeta TS Rookie Topic Starter

    Hello,
    I have no exclamation mark,nowhere
    Thanks
     
  4. LookinAround

    LookinAround TechSpot Chancellor Posts: 8,373   +167

    List any Problem devices
    • Make sure devices are connected and powered on
    • Click Start->Run, enter: msinfo32. Click the + sign next to Components to expand it
    • Click Problem Devices. Anything appear?
    • If yes, click on it, Ctrl-A to select all, Ctrl-C to copy it, Ctrl-V to paste into next post
    • On the other hand, if no devices are listed, tell me so
    Generate and attach a DirectX report
    • Click Start->Run, enter dxdiag and click OK
      ===> If you’re running 32 bit Windows, dxdiag will launch on its own
      ===> If you’re running 64 bit Windows, you’ll see 64-bit DxDiag. Click it to launch the 64-bit version of dxdiag
    • Notice progress in lower left window corner
    • When done, click Save Information button and save as a text file to your Desktop
    • Attach it to your next post by clicking the Upload a File button
     


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