Case:
The customer accidentally kicked the computer case, and later found that the hard disk could not be recognized.
Solution:
The engineer rotated through the hard disk self -inspection and there was a slight murmur. The hard disk information could not be recognized. It was judged that the hard disk vibration caused the magnetic head to contact the plate. The plate had slight physical damage caused by the lack of firmware information.The engineer uses professional tools PC3000-UDMA to deal with the firmware and bad sectors. After successfully solving the problem and restore data.