Originally Posted by
peterb
Sounds like a problem with the device electronics. Depending on how the device is made, it may be possible to get a drive of the same model, version and release and use the electronics board off that to get data back. On the other hand if it the the platter drive motor or the head stepper (or a head itslef) that has failed, then almost no hope doing it yourself. A reputable data recovery firm may be able to get it back, but
a. There are a number of cowboys out there
b. It isn't going to be a cheap option