Try it in a different Usb port.
Ironically, I was using an ANKER USB 3.0 Hub to plug all 3 of my external enclosures into. I then purchased a USB 3.0 PCIe card in an attempt to reduce the amount of wiring:At Liz's link in post #4 there are some recommended Usb 3.0 hubs that seem to work ok and that would give you the faster speed of Usb 3.0
Well, seeing as how I was referenced to a webpage on another website, I suppose I can make the assumption that there's not too many answers out there as to how to resolve this, due to the final answer being somewhat of a non sequitur. As such, I'll consider it solved.Ok, if you're sure you don't want to take it any further here please click on [Mark Solved] at the top of your page.
(Feel free to start a new thread about it if you ever need to).