Problem unscrewing Dell desktop computer tower?

Question by Julia G: Problem unscrewing Dell desktop computer tower?
Hi, I’m having problems unscrewing a dell desktop computer tower. There’s these very small circular rounded head screws (http://msu.edu/~huntharo/bio/comp_back.JPG the tiny round screws on this picture NOT the big ones). How do I unscrew these? Thanks.

Best answer:

Answer by charley horse
I think you are trying to take out rivets. They don’t unscrew and I cannot think of a reason for doing that. I can see you haven’t even opened the case.

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