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I took apart and used dust sprayer on fan and cleaned it up good, but what is the heat sink I'm reading about? I only did the fan blades and area around it thinking that did it but it still shuts off . Also is the heat sensor that starts the fan included with the fan or is it a seperate part.

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Heat sink is usually connected to the fan by copper tubes or fins, this is what disperses the heat from the CPU to outside the case. Sometimes the fan is directly on top of the heat sink but more often now the heat sink is next to the fan and outside air is drawn through these copper fins to remove the heat from the CPU.

Posted on Mar 15, 2011

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