why dust in PC/laptop decrease its cooling performances?

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I don’t get how dust can decrease the cooling performance. Does it slow down the fans? Does it prevent the radiator from, well, radiating away heat?

In: Physics

2 Answers

Anonymous 0 Comments

When rebuilding my pc last December I found this.

[Dust on radiator](http://imgur.com/gallery/aRwjmsh)

2 years without opening the case. Shows what dust does!!!

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