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The "central processing unit fan" (HeatSink) is used to cool the CPU the reason the CPU needs cooled is it runs at extreme temps to be able to do the calculations needed for any task you ask your computer to do

There is a limit to how high the CPU can get before it will start messing up these are normally on the sites of the manufacture also sometimes written right on the di in a code

things that can happen when you don't have the sufficient cooling is the unit will just freeze and restart the CPU can burn out and you will have to replace it, and in some rare cases the CPU will continue to work but the time that the CPU will last will be significantly shorter

my best advice is use the heatsink

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Q: What is the used of central processing unit fan?
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