Data recovery from mobile hard drive clack opening

Case:
The mobile hard disk did not fall or collided. It was able to use it normally last week. When I took it out a few days ago, I found that the mobile hard disk was click.I used different computers and changed different data cables. The phenomenon was the same.The hard disk does not recognize.

Solution:
Data recovery engineer testing, the normally aging of the hard disk, cannot find it normally, knock on the disk.To restore data, it can only be opened.After the engineer handled it for one day, all the data after the opening was restored.Data recovery successfully.