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Discussion Starter · #1 ·
I have a two-year-old iBook G4 that's never appeared to have any problems before, but it suddenly stopped working on me this afternoon and I don't know why. I accidentally switched off the powerbar that my AC adapter was connected to, and the computer itself turned off and won't restart. It's never had any problems running from the battery before, and when I pressed the test button it showed me that the thing was fully charged. Does anyone have an idea about what might've caused this and whether it's possible to bring my iBook back from the dead, however temporary it might be?
 

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Try a different power adapter, and try a different battery. As unlikely as this sounds, power adapters fail and batteries fail (or reach zero charge) and they may both have failed at the same time. Also, a two-year old battery may show full charge when it only holds a few minutes--it's still fully charged. I'd start by trying a different power adapter.

If the iBook doesn't work from a different power adapter known to work with another computer, you have other problems obviously.
 

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Remove battery. Unplug unit from AC power. Leave sitting as such for 5 minutes. Then, reset the PMU. Plug unit back into the AC (different outlet this time) with the battery still removed, and see if the unit will start. If it does, reinstall the battery thereafter.
 

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Discussion Starter · #4 ·
Thanks for the advice; I'll get right on it. If I have to reset the PMU or if none of this works...well, there's stuff on my iBook that I'd rather not have lost, but at least it's a good excuse to upgrade to a MacBook, anyway. ;)
 

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Discussion Starter · #8 ·
I realize that this is more than a little overdue, but...thank you all so much! Lars, your advice did the trick and my lovely little iBook lives again. HowEver and GlassOnion, thanks for your ideas as well. It's nice to know that there's someplace where I can go for advice without being laughed at for my utter lack of technical knowledge. :D
 

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I realize that this is more than a little overdue, but...thank you all so much! Lars, your advice did the trick and my lovely little iBook lives again. HowEver and GlassOnion, thanks for your ideas as well. It's nice to know that there's someplace where I can go for advice without being laughed at for my utter lack of technical knowledge. :D
Glad it worked out for you. :)
 
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