Hitachi mobile hard disk prompts formatted data recovery

Case:
Customer’s Hitachi 500G mobile hard disk, the computer can be identified normally, but it is formattable and cannot access the data normally.

Solution:
After the engineer’s testing and analysis, it was found that a large amount of physical bad sectors in the hard disk and the damage of the firmware part caused the hard disk data to be unable to access. The engineer used the data to restore the UDMA to directly extract the data required by the customer on the bottom of the hard disk.Restore successfully.