Basically, schiit(schiit jokes never get old).  LOL. They recommend trying on a different computer to see if it works(modi) which it does so I'm gonna go out on a limb a say my problem is a windows driver/update issue.   OP's results may be different.

I have the same problem with my modi in windows 7. I have an i7 3770k and an i5 3570k and the modi is not recognized by either. However it is recognized on my i7 920 based computer and a laptop with a amd CPU/GPU. I was able to reinstall windows and it would be recognized right away, but when...