Make sure that the connectors are inserted properly. Try another cable or see if it mounts on another computer. If you need more help, please call HitachiGST Tech Support M-F 8AM to 6PM PST at 1.888.426.5214 and a technician will be happy to help you.
Answers & Comments
Make sure it is plugged in to a USB 2.0 compatible port on the computer.
Make sure that the connectors are inserted properly. Try another cable or see if it mounts on another computer. If you need more help, please call HitachiGST Tech Support M-F 8AM to 6PM PST at 1.888.426.5214 and a technician will be happy to help you.