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"No Audio Output Device is Installed" error, even when sound card appears to be installed correctly


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#1 mtryder

mtryder

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Posted 24 May 2012 - 02:01 AM

Hello, and thanks in advance for your time!

Earlier this afternoon, I noticed that the sound on my Thinkpad W510 was no longer working. I hadn't really done anything of note with my computer- just updated Adobe Reader to v9.2, that I can think of. When I checked the notification area, I saw this:

Posted Image

However, when I right click and click "Playback Devices", I get the following:

Posted Image

I immediately checked Device Manager, and found that everything appeared to be fine:

Posted Image

I tried uninstalled and reinstalling the Conexant and NVIDIA drivers, as well as updating BIOS. Nothing seems to help,

When try to use the mute/volume buttons on the keyboard, the speaker mute button lights up when pressed, but the microphone mute and volume +/- buttons don't appear to do anything. I've also tried plugging in headphones, and that does not make any difference. When I boot from an Ubuntu CD, however, sound works fine, so I don't think that it's a hardware issue.

Anything that you folks could do to point in the right direction would be greatly appreciated. Thanks!

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