How to Check the Fan in a MacBook
The fan in your MacBook is designed to cool your computer and keep it from overheating or burning out the motherboard. Several pieces of hardware can cause your MacBook to heat up, including external speakers, external hard drives or even using your computer in a warm area. It is not safe to use your MacBook if the fan is not working as it can overheat and damage your computer. You can check your MacBook one of several ways to see if the fan is working.
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Instructions
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Place your hand next to the heat vents at the bottom of the MacBook. Gauge the temperature of the air blowing out. If it is hot, your fan is blowing heat out.
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2
Place your ear next to the heat vents. If you hear a whirring noise, the fan is oscillating.
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3
Feel the bottom of your MacBook after your normal use. It if is very hot, the fan is not working properly.
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