Hitachi hard disk head scratched disk data recovery case

Case:
The customer reports that the disk is accidentally dropped on the road during the car, and then the unusual tapping sound will be found when the power is powered.

Solution:
According to the user’s description, this disk has a strong external force. Although the design of the 2.5 mechanical disk is perfect, it is likely to cause the magnetic group to get rid of the protection lock.This may cause great damage to the plate.The attitude of this disk is that the hope is not very large, and it should be seriously scratched. After opening the market, the two magnetic heads fall off, which are No. 1 and 3 of the 0,1,2,3 magnetic head 0,1,2,3.After viewing the 0 face, there is a slight scratching, looking for the magnetic head to find the magnetic head to settle on the sealing strip, clean up the magnetic head and scratch of the falling off. Because the other faces are not seen, the magnetic head is directly replaced.The preparation of the same model, MLC is different, directly replaced, power -on, people did not expect, the magnetic head reset it normally, recognize the ID, and detect the reading of the SA module is normal, and the guide data is normal.