Data recovery takes years and years of knowledge and understanding in order to make a successful recovery. People think that the data stored on the platters can be moved to a new drive and read like a CD. This is not true at all. If platters are moved, they are moved as a unit, Why?

Data is stored and written on the surface of the platters in cylinders. If the drive platters are moved one at a time the alignment of the platters is no longer readable and all data is lost on the drive. The swapping of platters is one of the last resorts in the repairing of the drive to read the data from the platters. In data recovery physical repair is one of the major problems for all DR technicians. Read more