I've been having a problem with my mouse/cursor for the past few months, The best way for me to explain this Strange problem is like this. On a normal movement my cursor/mouse would be going at 100% then randomly for a split second it drops to let's say 50% then jumps back to 100%. I have tried everything I could think of. different mouses, reformatting, uninstalling reinstalling drivers, updateing drivers, you name it. I even went and bought a new motherboard. Yet the problem still occurs, But the most annoying part is, it does this no matter what I'm doing, gaming or just siting at the desktop.