No audio over hdmi on windows 7? Solution:

I bought a new monitor and am replacing my 5.1 speaker set with speakers built into the monitor – basically I’m reducing clutter on my desk and am going to use headphones when I want quality audio from the computer. Having a baby changes your priorities 😉

The problem was, when I got everything wired up, I had no audio coming from the computer. Ultimately this boiled down to a driver issue that’s related to the fact that when you’re using HDMI, your video card is responsible for delivering the audio to your output device. I had to update my realtek audio drivers, disable all devices, then restart the machine and reconfigure, before I could get audio out. I found this forum thread helpful, as well as this image illustrating the three places you need to make changes to your system configuration in order to get audio out.

While this is a driver issue ultimately I blame Microsoft for this – it’s hard to imagine making something as simple as ‘I want sound from my computer’ more complex.

Posting this in case it’s helpful to others.

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