Windows 7 not detecting onboard sound at random

Discussion in 'Windows 7 Help and Support' started by Ironmonger, Dec 24, 2010.

  1. Ironmonger

    Ironmonger New Member

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    I recently bought a new rig, and things were just fine until a few days ago when I shut the PC down. When it restarted, Win7 said there was no sound card installed. The sound is integrated in the motherboard, and worked just fine an hour before. I tried the troubleshooter, searching for new hardware, everything I can find, and it won't detect the sound. So I took it back to the shop I bought it from. Naturally, they plugged it up & everything worked fine. I brought it home, set up, everything worked fine. The next shut-down and restart, Windows 7 says there is no sound card installed. HELP!

    System:
    Windows 7 premium 64-bit
    MSI NF750-G55 motherboard (integrated sound)
    AMD Phenom II X4 970 processor
     
  2. Windows7HelpGuy

    Windows7HelpGuy New Member

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    I would suggest you uninstall and reinstall your sound driver. This used to happen to me when I used to use windows xp, difference was, I never got that message. Let me know if that solves your issue.
     
  3. Trouble

    Trouble Noob Whisperer

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  4. Ironmonger

    Ironmonger New Member

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    Okay, I downloaded and installed all the latest drivers found at MSI & Realtek, still getting the same results. I couldn't figure out how to uninstall the drivers first, though; see below. But the downloads did their thing to no avail. The readme file said they uninstall first, reboot, and then install, but they went straight for the install.

    I'm a newbie to 7 and am really finding it hard to get around in the system (the old axiom about old dogs & new tricks is quite true!). So bare with me if I'm poking around in all the wrong places. If I go under Control Panel - Hardware & Sound & click on the Sound tab, all it says is "No audio devices are installed", and all options are grayed out. Under the Owner-PC properties tab I see 4 entries for NVIDIA High Definition Audio, all which report functioning properly. Still, the x-ed out speaker icon remains in the tray saying No Audio Output Device is installed. Clicking that Icon does not help; troubleshooter can't find the problem.

    I also ducked into BIOS setup just to make sure onboard sound hadn't been disabled somehow, but it was all hunky dory there.

    Any other ideas?
     

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