Originally Posted by
Soisoisoi
Vibrations tend to do that with mice, especially high DPI ones. Try turning them off just to test it, at least then you'll know if that is the problem. If it is, you'll just have to find a way to minimise vibrations - such as rubber feet/carpet under the AC/fan, or even your desk's feet. Or moving them further away if you can. I have a portable AC unit about 4 feet away from my desk, and a fan that sits literally under my desk. But I'm also on carpet, so it's fine. If I put the fan on my desk, even the other end (1.8m long desk), it will mess with mice.
If it isn't that, it could be a fault with the mouse. You can always RMA it?