> You might start by powering off and then resetting PRAM by holding > down the Apple/Option/P and R keys while starting up. Wait until > you hear 3 start-up chimes and then release the keys. > > If that doesn't take you you back to a normal state, let us know. > > M Hi The Ibook 600 does not have a pram battery You need to do a system reset and then i remove the battery and put it back in and then start it up. Thats what i do for my G3 900 and it works every time. . apple has all the info listed on there sight when you go to support and ibook and start up issues. The battery is just what i need to do and does not need to be done by every one. it is just the thing that works for my book. vicki