Hi; This is probably also "silly," but just in case it helps, I know that I have trouble with the cursor jumping if I let my unused fingers get close to the trackpad. I had to learn to be rather careful about that. (Must be my electric personality.) On 9/29/05, Achim Franz <franz.achim at gmail.com> wrote: > Hi, > > this maybe silly, but can that be a dirt or moisture issue ? Have you > cleaned it ? > > Achim > > On Sep 29, 2005, at 15:32, Robert Ashton wrote: > > > > > Any one using a ibook that is having trackpads jumping all over. > > Formatted the hard drive, and installed 10.3 cursor jumped all over > > so then upgraded to 10.4. Still the same problem. I believe that it > > is software as it seems to work fine sometimes and then seems to > > screw up. Thanks in Advance Bob