The mobile hard disk motor is not spinning, not displaying the disk.

Your hard drive failure is very typical, at first it is a hard drive bad channel failure, so remind you to format, you continue to power on, causing the hard drive bad channel is more serious resulting in not recognizing the disk, and may even have caused the head failure. If you still want to recover data, don't do any more powering up. The hard drive itself can not be repaired, if you want to recover data to find 51Recovery such a professional organization.