Data recovery laptop hard drive bad sectors can not enter the system

Case:
The customer’s HP notebook cannot enter the system, and there is a problem with the hard disk for maintenance and detection. Now it is necessary to restore the data in the hard disk.

Solution:
First use the PC3000-UDMA to scan, and find that there are a large number of bad sectors in the hard disk guidance partition. This should be the reason why it is impossible to enter the system.The data of the E drive is copied and the data is successfully recovered.