On Tuesday, May 6, 2003, at 08:46 PM, Ken Anderson wrote: > I too had the noise and at first it scared me to think something was > wrong with my new iBook 800. I have owned it now for about 7 months > and in that time the fan has only come on twice. I still don't know > why it came on at those times. As usual here it sits nice and quiet! > > I recall that one of the times the fan came on I had just switched > back to os X from 9. I rebooted shortly there after and the fan > stopped for the rest of the day. > > I'll agree that it is indeed a blow dryer! > > Ken Rebooting stopped the noise in mine as well. If it continues I guess I'll call Apple and ask them if they can fix it. It seems like if there is some physical reason for the fan to suddenly become so loud it can't be good for the fan and may wear it out early on. Fran