Have you checked the PSU? It's just possible that the USB interface is drawing power from the USB hub but the HDD itself has no power. Do any lights come on on the case? Does the drive spin up?
Faced with the choice between changing one’s mind and proving that there is no need to do so,
almost everyone gets busy on the proof. -- J.K. Galbraith
Edited by micksharpe (Mon 23-Mar-15 14:24:32)