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Old February 5th, 2008, 12:58 PM
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iBook shuts down

Recently my computer has been shutting down for no apparent reason. I needed a new battery so I assumed that this was the reason. Now I've replaced my battery but my computer continues to completely shut down. Anyone know what might be causing this?
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Old February 5th, 2008, 07:00 PM
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http://docs.info.apple.com/article.html?artnum=14449
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Old February 6th, 2008, 02:17 AM
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Open Console (Applications>Utilities) and search for "previous shutdown cause" in system.log.
It should find a reason or a reason number there for the restarts.
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Old February 7th, 2008, 10:23 AM
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My PowerBook G4 (Al) has been doing this lately as well on all 3 of the batteries I have. It use to give me the warning at 10 minutes, and then go to sleep if I didn't plug in after it was down to 1 minute on reserve.

Now, about 19 minutes of power left - it just shuts down. Nothing has seemed to help it - including PMU reset. I didn't think there was a backup battery in the laptop itself - that the reserve was built into the battery. Is it possible that all 3 batteries are THAT fried?
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