Most BIOS settings you don't need to change. This isn't one of those.

Tweaking a PC's BIOS to set a custom fan curve has been shown to deliver up to a 7% performance gain without changing hardware. By adjusting fan speeds to ramp more aggressively with temperature, ...

Some PCs run their fans at full blast all the time—this is especially common if you built it and haven't done any fine-tuning of the cooling hardware. If your fans are plugged into the computer's ...