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I have a 867mhz Tibook and lately (last month) have been having a fan problem. What is going on is that the unit get hot and the fan comes on no long after it is turned on no matter what the situation.
I use a stand at work and have it plugged in but it never used to run the fan that much (hardly ever) but now it runs monst of the day. when I run it on battery it isn't much different. I have it set to automatic for the processor speed.
I really am at a loss here. I installed the updates recently and that seems to be fine, actualy the software and os run perfectly fine. I am starting to think there may be something else wrong but not too sure. Would resetting the power module possible solve this or do I need to think about letting apple looking at it?
Well, it is technically power related, as it has to do with powering on and off a device inside the machine. There is no harm done in resetting the PMU (unless you have a RAM disk or other vital information in your PRAM). Give it a shot.