Laptop fan turns on and off


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My laptop fan gets very loud every few minutes and then quiets down for a few minutes, does anyone know how to fix this?

I have Win 7 Ultimate 64bit, Samsung laptop with core i7, graphics card, 8gb ram.
 
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Shintaro

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The fan will come on when the CPU gets too hot.
Or depending on the age of the laptop and the environment, the intake for the fan and / or the intake duct / cpu heat sink could be full of dust.
If it is dust, then, with the laptop off you can use a vacuum cleaner to try and suck the dust out. Or send it in to the Samsung repairer to get them to look at it or clean it.

I never let my laptop sit flat on a desk. I have a cheap plastic frame that angles the back of my laptop off the desk. That way the intake for the fan is not obstructed, hence keeping my i7 cooler.
 
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TrainableMan

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You can actually buy trays to sit it on that have additional fans. It helps improve the air flow even more.

NOTE: Never set your laptop on a rug or blanket as the material actually closes off the openings even more. And the hotter computer components get, the more likely they are to fail.
 

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