iBook abruptly turns off

Posted:
in Current Mac Hardware edited January 2014
My iBook G4 has shut down unexpectedly twice this evening. No warning, but entire system shuts down abruptly (as if the power was cut) and screen goes black. When I try to press and hold the power button to turn the system back on, nothing happens at first. If I wait ten minutes or so, though, it will restart.



Am hoping this is some sort of battery problem. I replaced the battery during the exchange program several months ago.



I ran across this article a few minutes ago, which may provide some clues. I also posted this on the Apple Support discussions site, but it was deleted by the administrator.



http://www.theregister.co.uk/2007/05..._ibook_defect/



Any ideas on what could be causing this? Thanks
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