Case:
When the customer does a computer repair, the screw knife is accidentally exposed to the hard disk circuit board when the hard disk is powered on, and the hard disk does not recognize the disk.
Solution:
According to the customer’s description, the preliminary judgment is likely to cause the circuit board to burn in the short circuit. Therefore, the circuit board of the hard disk was detected and found that the voltage problem caused the circuit board to be short -circuit and BIOS burning.So the same model of the circuit board was found for replacement. After the replacement was completed, the power was turned on to normalize the hard disk, and it was burned in the magnetic head.Data is directly DE, and the data is successfully recovered successfully at this time.