Case:
The customer’s computer cannot be started. After the test, it is found that the hard disk has abnormal noise. It is recommended that the customer recovers the opening data according to the abnormal sound of the hard disk.
Solution:
After opening the market, I found that the customer’s No. 2 side B was injured, and there were scratches on the inner circle. After removing the magnetic head component, I found that the magnetic head 0 was completely damaged and deformed.In order to reduce the possibility of re -damaging the magnetic head, directly enter the D zone for data extraction.