No 5.1 Surround Sound Over HDMI in Windows 7 Only 2 channel Stereo - Microsoft Community

Hi Carlos, the only option is 2 channel stereo. I am very familiar with how to configure this because I have another HTPC with an NVIDIA GeForce GT 240 in it & I have full 7.1 channel surround sound over the same HDMI cable to the same Sony AV receiver. I

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