What's the detail?

Question

Iron

I dismantled my probook 4540s
The first time the flight was normal
The second one turned out to be this unknown little thing I
looked at the photo / video on Google
I didn’t notice such a thing (maybe it’s not from the laptop) (there is a lot of this kind of junk in the tool box, maybe from there too)
Mb who knows ?
I noticed when I took apart the touchpad

Answer 1

This is the "ground contact" connecting the plating of the body halves. Plus, it removes static from the user who paws the laptop, they meet in the touchpad area, the user pokes just there, but there are also from the side of the screen.