Question about HP (400745-001) Sound Card

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My computer is vista but upgraded to windows seven and the built in sound card does not seem to work i have tried different devices and updating the drivers i even changed the sound card none of them seem to work please help me in anyway that might prove usefull other than running those useless windows troubleshoots

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  • Scott
    Scott Nov 15, 2010

    will need to know exactly which model sound card

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  • HP Master
  • 629 Answers

If even the Windows 7 driver for the sound card did not fix it, try to uninstall the audio driver, then let Windows try to detect and install a native driver if available. Then click START, type services.msc in the Search box, then click Services.msc from the results. From there, look for the Windows Audio service, double-click it and make sure the Startup Type is set to Automatic and click the Start button. Restart the computer, open the audio properties, make sure the correct Playback device is selected. If you are using internal speakers for a laptop or external speakers for desktops, select Speakers/Headphones, click Set Default. Then test the audio of your system. Hope this helps.

Posted on Nov 15, 2010

  • poopoopuppie Nov 15, 2010

    thank you vey much my cpu now has sound =)

  • Rodie Nov 15, 2010

    glad to know that it helped and you're now all set. Feel free to rate or comment how helpful the info is.

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