Originally Posted by: PRSplayaSame thing happened to my ZW overdrive, but after I took the switch apart and put it back together again, it worked fine. It only gets caught half way on occasion, but it's usually from not clicking it hard enough.

Did you spray any kind of cleaner in the switch? That's what mine does, it works, but I have to stomp on it really hard or it gets stuck or something and the sound just drops out....