Why is my computer fan so loud?
Contending with computer noise levels is a common problem. A computer case is full of moving parts, and a lot of these moving parts can be distractingly loud. System fans cause the majority of the noise.Fan BasicsSmaller computer fans must spin faster than large ones to get the same result. Your case fans may spin very fast by default, and a central processing unit or video card fan can be particularly loud.Managing Case Fan NoiseYou can plug your case fans into a “fan bus.” This can be a small dial added to the cable, like a dimmer switch, or you can plug your fans into a box that sits in a 5.25-inch bay like a DVD drive. Each dial will control the speed of one fan.CPU fanFans included with a CPU purchased at retail are generally 60 mm (measured along one side), and these can be quite loud. Such fans can be replaced with a variety of choices, some ranging over 100mm, which are much quieter.The Video CardFans included on gaming-oriented video cards will get very loud when processing 3D
