The 1T Western Digital hard drive cannot detect the drive letter and the secondary recovery is successful

Case:
Western Digital 1T hard disk, used under the Windows operating system, inserted into the computer, did not detect the hard disk, there was no response after power -on, and after the engineer’s test, the magnetic head was damaged, and the hardware was required to be replaced.

Solution:
The engineer evaluates the degree of damage to the mobile hard disk.According to the magnetic head matching requirements, choose 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.The bad sectors control device to control the hard disk data safely and quickly.The logical analysis of the hard disk full mirror of the device and the inconsistent situation of the file system in the mirror image of the mirror image is repaired according to the solution of the corresponding file system damage, until the data needed by the user.Complete acceptance of the restored data.