Sound not working on an Intel 5 Series/3400

Posted by phoenix7 on Ask Ubuntu See other posts from Ask Ubuntu or by phoenix7
Published on 2011-11-05T01:07:40Z Indexed on 2011/11/22 2:10 UTC
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11.10

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sound

lspci gives me these two devices:

$ lspci | grep Audio
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
02:00.1 Audio device: ATI Technologies Inc RV710/730

There are two devices listed in System Settings|Sound|Output:

RV710/730 Digital Stereo (HDMI)
Internal Audio Analog Stereo

And finally, the are not muted!

Also, when I run an application that accesses the sound card, I can see it in the Applications tab.

Any ideas?

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