Using Sigmatel STAC 92XX on Windows 7 RTM x64, cannot get 5.1 surround sound to work

Posted by Roy Rico on Super User See other posts from Super User or by Roy Rico
Published on 2009-09-28T18:32:49Z Indexed on 2010/04/06 7:03 UTC
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Filed under:

windows-7

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audio

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sigmatel

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surround-sound

I have a Dell XPS 420. I've installed Windows 7 RTM (x64)

I have this audio device: SIGMATEL STAC 92XX C-Major HD Audio

I have tried using the windows 7 basic driver, and also the Vista 64-bit driver from Dell's website (details):

Date: 10/29/2007
Version: 6.10.0.5511, A04 
File Size: 7 MB

With both drivers, I get normal stereo sound from the driver, but my 5.1 surround sound doesn't work. Has anyone experienced this? Is there a fix?

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