On Tue, 27 Apr 2004, e.mkeene wrote: > Reinsert the original ram and try it first. 64MB is not enough RAM to > run the OS but is enough to boot to the ? If that works, the book is > fine. Next take the new RAM and try it in another ibook. BE SURE YOU > INSERT IT HARD ENOUGH TO "LOCK" in the slot asfter you have determined > you have the RAM lined up properly. From experience, I know that is > possible to insert the RAM, lay it down and think it is fully seated > but it is not. Thanks for such a detailed reply. While I've installed ram into PC's several times this is the first time I've done so to an iBook. I'll let you know how I get on... Joel