Western Digital WD5000AVDS firmware problem recovery case

Case:
Customers use a WD5000AVDS as a desktop to store important data from the disk storage. Under normal use, it suddenly fails, and the hard disk capacity cannot be recognized. Now the data in the hard disk must be restored.

Solution:
First use the PC3000 to detect the hard disk. It is found that the model that can be recognized by the hard disk is found. There is no way to identify the capacity of the hard disk. It is suspected that there is a problem with the hard disk firmware. So the firmware is backup.The most important firmware of the fixedware of the backup is successful, so consider using the method of heat exchange to make data copy.Find a hard disk of the same model, write the fixedware backup of the fault disk into the preparatory disk, and then use the hot exchange method to make it. The final data is successfully recovered.