Seagate st3160021a opening data recovery case

Case:
The customer laptop has been used for more than 5 years. It was still used normally yesterday. It was suddenly unable to turn on it today. The laptop could not identify the hard disk.

Solution:
The hard disk was tested, and after hearing the sound of the disk in the disk, he tried to power on the disk.Because there is no preparation disk on hand, customers are more anxious. By comparing a comparison, a hard disk parameter and fault disk of ST3160023AS are relatively similar.After replacing the magnetic head, it is found that it can be recognized normally. The information under the instruction is normal. The others are relatively simple.