I have a Rival 3 and no matter what game I'm playing I get this weird problem where my frames drop massively once I start moving my mouse, but when I just use my keyboard my framerate stays at a smooth 60. I've heard this can be caused by high polling but I checked out my mouses polling and it was below 250. This only recently started happening and I did already have the Rival 3 before this started and it's a very new mouse.