Originally Posted by kuyaBaka
Like snap when you put it into the motherboard slot?
Also, my case didn't have screws to take out the back slots. You just had to pull out the metal, then there's this locking mechanism inside that I'm supposed to use (optional), but I can't seem to get it to work. I'll try it again, though.
There's the reason then and it's not optional. You have to secure your video card. Read your case manual to see how the tool-less installation works.