Downloaded and installed the Vista 64 drivers from Acer in compatibility mode (I tried without compatibility mode but got a message that no driver package was supported). Upon restart, still getting the red X on my volume control with "No audio output device" message.
Wow.... we just keep banging our head against a wall dont we?
Hmmm I did a little searching myself on this soundcard... the Vista drivers should have worked.
Did you try these drivers here at Realtek: Realtek
I'd go for the driver only version (5th one down) .exe version and run in compatibility mode...
Please keep us informed!
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