|Apr 4, 2009, 08:31 AM||#1|
iBook G4 turns itself off
Both today and yesterday my iBook turned itself off while the power adaptor was plugged in.
Both times it wouldn't turn on for a while (actually both times I removed the battery and then it would turn on).
When it turned on, it had lost the present time and date.
Any idea what this might be?
|Apr 4, 2009, 02:26 PM||#3|
Haven't been having any battery problems at all.
It shut itself off again recently. This time it turned on again (without my having to take out the battery).
I reset the Power Managment Unit (http://support.apple.com/kb/HT1431).
I'm worried the logic board is on it's way out.
|May 13, 2009, 10:28 PM||#5|
I am having the same problem as the original poster!
My iBook is going on 4 years now and I for the past couple weeks it has shut down while PLUGGED IN.
I really don't think it is a battery issue, I just got a new one from apple a few months ago. I am however using a third party AC adapter.
It shuts down while the power adapter is plugged in, but the battery is basically dead. The problem comes when the battery runs down completely. I have a hard time getting the ibook to charge in the first place, often I have to jiggle the end of cord (that plugs into the DC board) around and find a position for it charge. If the battery is completely dead, I only have like 5 seconds to find a good position for the cord before it shuts down again. If i can't get it within the first couple times the computer will boot up from sleep but then shut down immediately.
In the past, if I take the batter out and unplug the charger for a few minutes then it will eventually boot back up (with the time and date reset), but this time it won't!
This is really bad because my thesis is due on Sunday and I really need the computer to work. Luckily I have it backed up, but I am wondering if anyone might know what the issue is. I have heard logic board issues, but I also thought it might be the DC board that the AC cord plugs into. If it is the logic board, does that mean the computer is essentially a goner?
I am going to take it to tekserve tomorrow, but if anyone has any advice I would really appreciate it.
Last edited by hillsonn; May 13, 2009 at 10:48 PM. Reason: clarification
|May 13, 2009, 10:31 PM||#6|
MR's PowerPC Fangirl
eMac 1.42 GHz G4 - 10.5.8
12" PowerBook G4 1.5 GHz - 10.4.11
Blueberry iBook G3, Apple IIc
|May 13, 2009, 10:37 PM||#7|
I'd look at your third-party power adapter first. I bought one for my iBook a while back thinking I'd save $20 over Apple's overpriced offering, but it emitted a high-pitched whine and failed to establish a proper connection with the computer. I returned it and got a real adapter instead. Take it in to the shop and see if their adapter works.
I had a similar problem with my iBook G3 a while back, and the problem part did indeed end up being the board that the power adapter connects to. I'm not sure if the G4 is set up in a similar way, but that's where I'd start looking if the problem is with the iBook itself.
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