USB Device Not Recognized

SanDisk MP3 players Sansa® Fuze™
2

I’ll just throw this out as a sugestion, is it possibly the usb port it’s self?  I have a port on my netbook that is a little “sloppy” and the cable needs to be inserted fully and straight or I get the “not recogized” warning. A rare ocurance, but it does happen. Especaily now with Win7