Case:
The mobile hard disk purchased by the customer in 2011 does not understand the working principle of the hard disk. He has repeatedly inserted the hard disk hot and unplugged. Before the last normal use, the hard disk was impacted.
Solution:
The faulty device is a 500GB mobile hard disk in the West. After the accessing the data recovery device, the UDMA cannot be recognized, and there is a knocking sound. It is confirmed that the hard disk magnetic head is aging. After the impact, the magnetic head is damaged.And follow the circuit to successfully restore the data required for customers.