I've tested my previous controller which I used this one to replace it with, and that one registers and works perfectly. It shows the blue LED at the front to show that there is a connection to my pc, but other than that, nothing works afterwards. Today, out of the blue, it simply does not respond in any game that I try to play. I would love to give this a 5 star review, I would more than likely have done this if the controller continued to function as amazingly as it did when I first plugged this in 2 months ago.