It's possible that your motherboard isn't handling USB devices properly. Are your motherboard drivers updated?
Is that somthing I can do? I did some searching and I found these...are they legit?
Driver Detective - Windows Driver Repair Utility
I found them through download.com
here is the link:http://econsumer-guide.com/driver_update_software_reviews.htm?gclid=CPDIzrepvJsCFRM_xwodHCdaAg
Would any of these work?