Screen colored, then black, then won't start

my iBook is a year old and it's been running sluggish lately...but today for no reason the screen when mutli-diaganol colors, then went black, then wouldn't shut off. pulled battery, turned back on after four tries to the same multi-diaganol colored screen...then crashed over and over...i've ran utilities repair and all that...it's been going for 15 minutes right now w/out shutting off...and this is the longest all day...i have 3 year apple care but the store is two hours away...any suggestions w/out having to drive...or is it fried?

Its not the drive I would be worried about. Chances are the Power Supply and/or something on the mainboard (CPU maybe) went boom. I would call apple if I where you.

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