How to Fix a Noisy Computer Fan
If you can barely hear yourself think over the cacophony of fan noise emanating from your computer, its probably time to diagnose why your PC sounds like a wind tunnel. It could be a major issue, a minor inconvenience, or something in between. Here are a few things to try. Check What Software Is Running Before you rush to grab your screwdriver, look into what software is currently running, the resources its using, and whether that fan noise is warranted. On a Windows machine, press Ctrl+Shift+E...
Source: pcmag.com