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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > iBook G4 charge battery but only run on AC adapter

iBook G4 charge battery but only run on AC adapter
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Join Date: Dec 2006
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Sep 18, 2007, 03:27 PM
 
I just bought a 74w NewerTech battery about 3 weeks ago but I don't think that is the problem....

I can run my iBook off of the AC adapter fine but when I unplug it it automatically shuts off as if there is no battery in it. It shows that the battery is charging and everything in the menubar but when I unplug it, it will shut off. This just happened today and earlier today I was working on it with the battery working fine. I also switched out to the old stock battery and it does the same thing. I think it has to be hardware related. I have reset the PMU and PRAM/NVRAM and it didn't help. Also when I started the computer back up it said that my clock was reset. Feedback is much appreciated.

iBook G4 14" Mac OS X (10.4.10) NewerTech 74w Battery, 1.5gb ram
     
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Join Date: Mar 2004
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Sep 19, 2007, 04:35 PM
 
Pulling AC and main battery together from an iBook will cause the clock to reset. As will a PRAM reset. They have no PRAM batteries like other Macs do.
Do you still have your old battery or is it completely dead? Worth testing another one if you can lay your hands on one for a moment or two. Any Apple repair place or store should have one you could test with.
     
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Sep 19, 2007, 04:39 PM
 
I take it powering back on with just the battery doesn't work either? Check that the battery bay or connector is not obstructed by anything. Make sure it fits in flush.
You really need to test another battery. If it works, your Newertech one is duff.
     
JakeM  (op)
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Sep 19, 2007, 06:27 PM
 
Yes, I have tested it with the old stock battery and it does the same. It fits flush and it will come up with a X in the battery monitor in the menu bar when i take the battery out. So I thought that means that it sees the battery fine and because it charges that the connects are fine but in CoconutBattery it says the AC connector isnt connected and that the battery isnt charging but the menubar says different.

     
   
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