I'm using Roccat Kulo's with an external sound card, so I plug the mic/speaker part into the thing, then into a USB port. I couldn't have blown dust into it because I cleaned my computer outside, and left the card inside.
So my headphones (Roccat Kulo) were running 7.1 surround, and my computer was REALLY dusty, so I unplugged it all, and cleaned all the dust out. I plugged it all back in, and I can't get it to change back to 7.1 Surround sound. The "Configure" button in my sounds menu is grayed out and i can't...