Does the screw not turn out?

I wanted to open the bottom of my notebook, but I had the problem that 3 of the 8 screws only turned on their own axis. So they could not be unscrewed, remained in the thread and turned in a circle.

Is there anything I can do to get it out anyway?

Namely, want to remove the battery.

Then the thread seems to be destroyed anyway and the bottom is probably only held by 2 clips. Carefully pry it up and see where it is hanging.

A bit of violence with a little feeling will take care of that

The thread is no longer engaged, you can lift off the lid.