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Zero plus zero still equals zero

I'm starting to wonder if my laptop's battery died sometime in the night. I remember putting it to sleep last night, but by morning the machine had shut itself off and needed rebooting. I figured I must not actually have closed it all the way, and so it ran itself down. But now, at least half an hour later, the battery still claims it's on zero percent, which would be improbable if everything were working the way it ought to be. At least the battery is easy enough to replace. I just hope that's as deep as the problem goes.

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( 4 comments — Leave a comment )
(Deleted comment)
owlfish
Apr. 6th, 2004 08:39 am (UTC)
Re: They don't fail like that
Yes, it's a Mac Powerbook G4. And no, batteries don't fail like that.

This behavior is suspiciously similar to what I went through last summer. The repair folks assured us the problem last summer wasn't with a faulty PMU, despite appearances, and replaced my no-longer-charging battery and *wince* the screen. It worked after that so, despite my reservations, I couldn't fault them for not repairing the machine. But this is silly. The battery's decharged or worn out overnight and isn't recharging. I've reset the PMU, no help. I might try resetting the PMU without the battery in it, or try your suggestion of trying to get it to recharge while sleeping, but I'm not sure post-PMU reset it's even trying to recharge the battery anymore. At least before I reset it, the power cord socket was amber, now it's just green (although that doesn't always seem to mean much).
chickenfeet2003
Apr. 6th, 2004 10:04 am (UTC)
Re: They don't fail like that
What version of the OS are you using? I remeber reading somewhere that one of the recent updates (10.3.1?) was causing battery management issues in PBs.
owlfish
Apr. 6th, 2004 10:14 am (UTC)
Re: They don't fail like that
I'm on 10.3.3, so hopefully anything in 10.3.1 has been fixed by now. Thank you for mentioning it though, since it could have been a problem.
chickenfeet2003
Apr. 6th, 2004 10:50 am (UTC)
Re: They don't fail like that
Yes 10.3.3 should be solid from that point of view.
( 4 comments — Leave a comment )