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  #1  
Old 15-04-2009
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Join Date: Dec 2008
Posts: 47
iBook G4 overheating

hello
i have an old iBook G4 after few minutes of turning on that will not stop overheating. It will freeze and become unresponsive, and the bottom gets hot. Also, when it overheats, for some reason the date and time reset no matter how many times I fix it. I am running OS X Tiger (fully patched 10.4.8), with 768MB of RAM. Any one can help me ?thank you
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  #2  
Old 15-04-2009
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Join Date: May 2008
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Re: iBook G4 overheating

What you are feeling getting hot is the graphics card and the PowerPC CPU/processor chip. The ATI graphics cards and the PowerPC processors (Intel and AMD processors for that fact as well) tend to get hot. They have between 50 million to 150 million circuits and transistors running electricity through them millions of times per second, this builds up electrical resistance fast and generates heat. Since laptops have less air-breathing space in them than most desktop computers do, their processors and graphics cards can heat up even faster.
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  #3  
Old 15-04-2009
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Join Date: Dec 2008
Posts: 322
Re: iBook G4 overheating

why you worrying sent it to an apple store and they will fixed it....
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  #4  
Old 15-04-2009
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Join Date: Jan 2006
Posts: 7,109
Re: iBook G4 overheating

From my experienced ill suggest that the PRAM battery has gone out so replace it and that it needs a new fan...to do that correct.
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  #5  
Old 15-04-2009
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Re: iBook G4 overheating

However I didn't think that Apple laptops have a PRAM battery.well for overheating use a freeware utility called Temperature Monitor 4.7 It gives a simple readout of various temperatures within your Mac and what the maximums temperatures can be.
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