Hitachi 500G hard disk opening data recovery

Case:
500G mobile hard disk inserted to the computer cannot be recognized. There is a slight knocking sound. The hard disk model is: HTS54050B9A300 [Data recovery failure analysis] The abnormal noise of the hard disk power is generally damaged by magnetic head.Essence

Solution:
[Data recovery process] 1. Found damage to the hard disk magnetic head through professional equipment testing.2. Prepare a good spare parts (intact hard disk).3. In the dust -free environment below the level 100 (inclusive), the spare part is replaced with the magnetic head to damage the disk cavity.4. After replacing the magnetic head, hang it on the professional equipment, the hard disk can normalize the capacity and model normally.5. After making a full mirror of the fault disk, analyze the copy data from the mirror disk.