If it were mine, I'd open it up and blow the fan out. Next I would tear it down to the heat sink, clean the vents out and replace the thermal paste.
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If it were mine, I'd open it up and blow the fan out. Next I would tear it down to the heat sink, clean the vents out and replace the thermal paste. Here's how to get to the heat sink: http://www.ifixit.com/Guide/Repair/Installing-MacBook-Pro-15-Inch-Core-2-Duo-Model-A1211-Heat-Sink/476/1