MakeUseOf Answers is a Q&A forum. Our community solves your questions about anything related to the Internet and computers. It's free. Ask A QuestionQuestions tagged "processor fan" All questions Resolved Unresolved Why does my CPU fan get so loud when I steam a video? Why does my laptop fan run while the machine is idle? Why is my laptop so loud and how can I fix it? How can I change the fan settings in my laptop? Why does my desktop computer no longer boot up? Why does my system fan turn off after booting my computer?