You're probably hitting the trackpad. You can adjust the settings in the trackpad control panel and turn it off, perhaps until you get more used to the layout. I use the trackpad for clicking and dragging, but you can also try a little software utility call "Tapguard". It's available here: http://webobjects.uwaterloo.ca/mac2400/ Andy > I just got a 2400 and understand the affection people have for these > machines. But while word processing the blinking cursor keeps jumping > around in the text and is very aggravating. For instance, I will type > a word, "bumble" and it might come out "mu". Or it will hesitate a > little before typing anything. > > My suspicions: I am accidentally hitting the clicker while typing, or > the clicker needs repair. > Does anyone else have this problem? Thank you. > > David