Sounds like your right on target.
Does the manufacturer have a utility program that works with that drive? If so, then clone the customers OS to another drive and run the full diagnostic test. The controller error will probably show up then.
The drive still under warranty?
Does the manufacturer have a utility program that works with that drive? If so, then clone the customers OS to another drive and run the full diagnostic test. The controller error will probably show up then.
The drive still under warranty?