Media information: Western Digital original mobile hard disk, capacity is 1TB, media model: WD10TMVV-11TK7S1
Customer Name: An Eye Hospital in Ordos City
Fault description:
Customer Description The mobile hard disk is not recognized and cannot see the data.
Data recovery process:
The engineer first tests the customer's hard disk, and the test results are: regular bad sectors, and the magnetic head is damaged.
First, the engineer must first change the USB interface disk to the SATA interface. After changing the interface, mount the hard disk on the UDMA, perform firmware backup, and then enter the DE. After the split, start mirroring and find the head that cannot be mirrored. To remove it, first mirror the sector on the normal head, and after a few hours, the normal head image is completed.
The engineer then removes the hard disk from the UDMA, finds the corresponding matching head assembly in the Darth spare parts library, and enters the Class 100 clean room to open the replacement head processing. After more than ten minutes, the engineer replaced the magnetic head and then hung the hard disk on the UDMA to mirror the unfinished head. The image was completed after a few hours and the data recovery was completed.
Data recovery results: 100% success in data recovery
Difficulties in this case: Western Digital original mobile hard disk, its own circuit board interface is a USB interface, in the case of opening or bad sectors, it is not recommended to use USB to directly read data, you need to convert the mobile hard disk USB interface into SATA interface, and the need to open the disk The engineer is familiar with the structure of the disc and is proficient in movement.
Advice to customers:
In the event of a hard disk failure, do not repeatedly power up to try, in the process of repeated power-on, will cause secondary damage to the hard disk, which can seriously lead to data can not be completely recovered. Be sure to find a professional data recovery company () to carry out data recovery work. Darth data recovery, specializing in high-hard disk, raid server data recovery, Beijing data recovery professional brand.
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