Today when i tried to overclock my N-900 and when i connected the usb to make the flasher, suddenly a message appeared telling me the follow: "USB SUITABLE DEVICE NOT FOUND". so i went deeper to investigate and i found that the problem is the OS i am using wich is Win 7 Home Premium so my question is: what can i do in order to fix that error? and why it happeneed? can anybody help me with this?