Western Digital 1.5T hard disk does not recognize the disk and the recovery is successful

Case:
Customer desktop, Windows operating system, file system is FAT, 1.5T hard disk in the west.The Western Digital Hard Disk does not recognize the disk.

Solution:
The engineer evaluates the degree of damage to the mobile hard disk.According to the requirements of the magnetic head, select the appropriate hard disk spare parts and perform a magnetic head replacement operation in the dust -free room. After the replacement is completed, the hard disk access device is read for data.If the hard disk mirror encounters a bad sector during the hard disk mirror, the corresponding bad duct solution controls the device to read the hard disk data safely and quickly.Logic analysis and verification of the file system in the mirror image of the hard disk full mirror backup of the device, then repair it according to the solution of the corresponding file system damage.Data for complete acceptance.