iBook G4 Problem..Please help!

Hello everyone, I have had my iBook G4 for about 3 1/2 years now. And I just got a message that says "Please restart your machine by holding down the power button for 50 seconds". I did that, let it stay off for about 5 minutes. Turned it back on and about 2 minutes later it says the same message again. I turned it off, and turned it back on. It seems to be error free for now. I have never dropped my computer! Please help! Thanks!

yes, that is it. How do I fix it? please help, chandler

Reflow said:

Have you tried to run disk utility on it? Have you replaced any memory on it recently or downloaded anything before this happened?

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Well, I lost the apple CD. I haven't replaced memory. And, I havent downloaded anything recently.

Update..

Hello everybody! Thanks for the replies. I went to the genius bar today, the guy looked at it and said that it was airport related. He said that they had to ship it into apple to get it fixed. I was under the extended waranty so it covered the price of it-PHEW! They said I should have it back by next wednesday! Speedy! Also, Does apple go through your peresonal stuff like pictures and stuff? thanks< macluver