Hmm, on my build, I left the AC'97 connector unconnected and put the HD Audio onto the equivalent of that yellow header, thinking it was an either/or sort of thing, rather than needing both. I'd be ...

Double-check which audio connector you plugged it into by re-checking where the HD connector is on your motherboard. Make certain your case has an HD audio connector in its front ports. If it does not ...

If you’ve ever opened a PC case and stared inside, or looked at a bare motherboard, you may be taken aback by the number and variety of connectors, pins, and slots that exist on a modern PC ...