The system cannot be started, Western Digital hard drive data recovery is successful

Case:
The desktop machine, the operating system is Windows, the file system is NTFS/FAT, using 500GB of Western data hard disk.After the desktop machine box is poured, the system cannot be started. After testing, the hard disk has a physical bad tract.

Solution:
The engineer uses a dedicated equipment to evaluate the damage of the physical bad sectors of the hard disk: only reads only the good sector, and reads the most existing and intact data blocks in the shortest time;Seels; continue to control the data blocks that have not been read before reading the magnetic head repeatedly; logical analysis and verification of the full mirror of the hard disk backup of the device.