PC Cooling Basics Keep it cool It’s summertime, which means that not just you need to stay cool—your PC does, too. If you’re looking into how to chill down your PC, this guide will help get you started. We’ll cover what generates heat and what effects heat has, ways to cool off components that need it, and tidbits of information to consider when setting up your cooling system. Sources of heat in a system While all electronics give off some amount of heat, for many of them it is a negligible ...