Modern computers rely on fans to maintain safe operating temperatures and ensure optimal performance. However, there are scenarios where users may want to reduce or even temporarily turn off computer fans—perhaps to minimize noise during audio recording, or simply for a quieter workspace. The question arises: is it possible to turn off a computer fan manually? This comprehensive guide explores the technical, practical, and safety aspects of controlling and turning off computer fans, focusing on both hardware and software methods. It also provides step-by-step instructions for how to turn computer fan off, discusses risks, and answers common related questions.