Case:
Customers took a hard disk of WD320GB, reacting without computer recognition.
Solution:
Plot the PC3000 detection first, power -on inspection, the motor does not turn, thought it was broken, first fixed the circuit board, and found that there was a sound in the electric hard disk.Later, it was found that the magnetic head had been deformed, and the plate was a bit messy, so the magnetic head was replaced, PE was taken as a data copy, and the last data was restored by 80%.