Not exactly that, but I had a problem where many things were going wrong. Among the many symptoms were several keys that would stop working for a time, and the num lock that would turn on and off by pressing the F5 key rather than the num lock key. Apple replaced the logic board and all is well. On 9/4/03 9:55 PM, "Ron Reames" <rreames at cableone.net> wrote: > I have a 600mhz iBook. Sometime all I can type in for a period of time > is caps (yes, the caps lock is off). > Other times I notice that key combos, like command-n, don't work for a > short time. > Has anyone else ever experienced this?