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How to Control CPU Fan Speed on a Laptop Notebook. Most laptops have a single fan that controls the temperature of the computer. Central processing units can output a significant amount of heat ...
Choose the fan control method that matches your laptop’s fan — either DC (3-pin) or PWM (4-pin). This can be found in your laptop’s manufacturer specifications.
How to Test the Cooling Fan in an HP Notebook. Hewlett-Packard notebooks include a BIOS setting that allows you to keep the fan on constantly when the notebook is plugged in.
Take control of your laptop's power profiles and thermal behavior with this brand new open source Linux app.