Powerbook G4 15" - Hear startup chime but nothing else happens

I hear the startup "chime" but then nothing.
Screen black. No light in power button or hinge button.
I can shut down by holding the power button.
Disk in CD drive, tries to work. Cannot eject, even when holding trackpad button.
Took out battery and disconnected power for 5 mins.
Tried to zap pram, wouldn't let me.
Worked fine two days ago, new problem.
What can I do?

Sounds like you might have the dreaded "lower memory slot failure", check this knowledge base article for more information: http://docs.info.apple.com/article.html?artnum=303173
Powerbook G4 (1.5GHz, 1Gb RAM, fried logic board that Apple won't fix) Mac OS X (10.4.8) Aluminium rubbing off the keyboard

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Hi,
Welcome to the  Discussions
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See more here
I may receive some form of compensation, financial or otherwise, from my recommendation or link.
7:58 PM Tuesday; May 19, 2009
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
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Powerbook G4 15" - Hear startup chime but nothing else happens

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