AD7190 evaluation board

Hi there,

I tried installing AD9970 evaluation baord.
But after the instralltion, PC does not identfy the eva-baord via USB.
Looks like it has something to do with USB deriver soft.
Please tell me how to solve this issue.

http://www.analog.com/en/analog-to-digital-converters/ad-converters/ad7190/products/EVAL-AD7190/eb.html

Best regards,
Tarzan