USB Audio - Bose

Ok.. just got W7 installed and had im using the Bose Companion 5 Series speakers. At first i was able to get them up and running no problem. After that, i saw that the speaker in the task bar was 'muted' and finally after a restart it wont even recognize my speaker set. It comes up as 'unknown device' in my device manager. Anyone have any USB audio issues, particularly with Bose?

Any help will be appreciated

Gigabyte MA790X-DS4
AMD Athlon 64 X2 5400 2.8GHz
OCZ Repaer 4GB
Dual Boot w/ Vista

Anyone have any possible ideas?

Note: this also occured on Vista (dual boot) and when i reistalled 7 on a clean drive - loaded immediately as 'unknown device' twice

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