Media information: Western Digital (WD) mobile hard disk, model: WD20NMVW-11W68S0 interface is directly USB
Fault description: By detecting the abnormal sound of the hard disk, the magnetic head is damaged, and the magnetic head assembly needs to be replaced.
Data recovery process:
After the Darth data recovery engineer communicated with the customer, the customer agreed to recover. After that, the engineer opened the disk in the data recovery level 100 clean room and replaced the same matching good head assembly. Because the disk is a USB interface, if the USB image is directly processed by the disk, the risk is relatively high and the speed is very slow. And Darth has enough mature technology to change the USB interface directly into the SATA interface for data extraction. After the interface is changed, the disk is directly connected to the UDMA and the data is cloned. As shown below:
From the above figure, we can see that all the parameters of the hard disk are completely recognized, and the cloned sectors are also intact. After ten hours of recovery time, customer data was perfectly restored.
Advice to customers: Always use the data backup work in the process of using large-capacity hard disks. Do not force the power to try when the hard disk is damaged. Look for a professional data recovery company.
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