Why you should let your motherboard control how fast your PC fans spin

Your PC will have default fan settings, telling them how fast they should spin at any given temperature value. These are known as fan curves as the higher the temperature of your PC or specific component, the faster the cooling will work to keep them within optimal ranges. While you could install some software for macOS, Linux, or Windows to alter these settings and override your motherboard, I recommend making changes to the UEFI BIOS itself, and here's why.