Quote: Originally Posted by Diogones
The WD only uses one USB cord, but it does have its own AC adapter. The card only powers 2 USB ports, as the pictures show.
In that case, the drive is getting enough juice for the motor to spin the platters.
I'd look in Control Panel>>Device Manager and find the USB card, then check in the "Advanced" area and see what sort of bandwidth is being allocated. If you can increase it, try that.