m9400t: failed to get sorround audio output audio over HDMI, stereo only

I recently bought a computer desktop m9400t, equipped with a hdmi card. After you connect via hdmi to my receiver (which is connected to a HD TV) and select the HDMI as my audio device, I am able to get sound via HDMI, but I get stereo sound. I can't find any possibility to output its 5.1 or higher via hdmi. Please help me with this problem. Here are some relevant information on my computer:

- Range of PC HP Pavilion Elite m9400t
-Genuine Windows Vista Home Premium with Service Pack 1 (64-bit) digital cable tuner
-Intel Core 2 Quad from Intel Q9300 (2.5 GHz)
-512MB ATI Radeon HD 3650, DVI, VGA, HDMI

Thank you.

Message edited by ae_tx on 09/12/2008 10:08

Your PC has shipped HD ALC888S. I scoured the Web and found someone who has exactly the same problem with audio built-in. Solved by updating the embedded HD codec. Update driver http://www.realtek.com.tw/downloads/ .

Realtek posted the new driver 2.1 01/12/08 so it can do the trick.

Tags: HP Desktops

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