no audio

I was having audio problems not long ago.... my audio setup would churn along working fine and then all of a sudden cut out for no reason. I'd then switch to the other sound card (I have a Sound Blaster and an integrated) and all would be well.... all together this happened maybe 4 or 5 times over about 9 months....

then for some reason, recenlty my sound cut out again, but reinstalling either driver wouldn't work, no matter what I did I couldn't get a peep out of my speakers (which I tested and yes, they do work)....

Then, I recently installed another mobo on my computer and reinstalled Windows fresh, I figured that a fresh start would fix my audio problem, but it didn't.... neither my integrated audio or my Sound Blaster card will work, and I've installed the drivers for both multiple times....

What could possibly be wrong? My speakers are OK, and I find it hard to believe that my old integrated, my Sound Blaster, and my current integrated sound cards all blew simotaniously....

*bump*