Make sure your computer is well ventilated.We have entire guides on cleaning out desktops and laptops. If it’s dusty, clean it out (especially the fans) with some compressed air. Open your computer and check for dust buildup.RELATED: How To Thoroughly Clean Your Dirty Desktop Computer If your computer is getting hotter than you’d like, or your fans are louder than you’d like, you should do a couple of other things first: If you are using a laptop or other off-the-shelf computer (like a Dell), chances are your computer automatically controls its fans to some extent already. Let’s start with a really simple question: Do you really need to customize your fan control? How you control your fans depends a lot on your computer, your fans, and how everything is put together, so let’s start with some basics. But there’s nothing quite like automatic fan control, where your PC ramps up the fans when things get hot, and turn them down when it’s business as usual. Sure, you could connect a manual fan controller to your PC, with knobs that set fans to different speeds. Here’s how to control your PC’s fans for superior cooling when it’s working hard, and silence when it isn’t. A good set of fans can keep your computer from overheating, but they can also make your computer sound like a wind tunnel.
