I was wondering if theres some settings somewhere to maybe reset the Trackpad? I doubt its possible but thought id ask before taking it in, lately its been acting strange and not turning on for me. It doesnt work if I manually try and turn it on either I have to go and pull the batteries out and put them in again for it to work. That sounds like dead batteries but the level is 49% and I havent replaced them that long ago. Is this common behavior on them failing? I havent had it long got it when the new iMacs were released.