1. This is caused by poor hardware contact or deformation of the chassis. 2. Check whether the chassis is normal without deformation, and check whether the hardware is in poor contact. 3. For example, hardware such as graphics cards and hard disks must be fixed with screws.
There is no major problem through visual inspection. It mainly checks the video card and motherboard. The others must be normal, otherwise it cannot be started!
The surface of the hard disk will not shake. If it shakes, the screw is loose. It is normal that the disk inside the hard disk is rotating at a high speed
