Why Laptop Fan Keeps Running?

The laptop fan will constantly continue to run as long as the computer is on. Laptops are designed to use just a single fan, in order to conserve battery and not produce too much noise.
A laptop’s operating system usually has a “usage gauge” that can tell you exactly how much energy it’s using at any given time. If your laptop is using more than 20% of its power, then the fan should keep running. A laptop’s audio often doubles in volume when it hits 70% of total power usage, so if you’re hearing hardware noises be aware that this means your computer is nearing maximum power usage and will soon shut down — so unplug immediately when you hear distortions or distortions with every key.

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