How-To Geek

Heat Sink

A heat sink is a passive heat exchanger added to computers and other heat-producing electronics to assist in cooling components. Heat sinks range from small and simple finned metal cubes attached to low-temperature components (such as embedded processors) to large tower-like structures with integrated fans attached to high-temperature components (multi-core CPUs and GPU chips).

Problems with heat sinks, including poor adhesion/contact with the chip, dust in the fins, and fan malfunction are all common causes of computer failure. To avoid and resolve such heat-related problems, check out the following How-To Geek articles:

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