Quote from perfectio on 25. September 2024, 13:48

A loud fan in a laptop is something that should be of concern if the noise is as a result of a problem with the laptop. Why is your laptop fan running so loud and could it be a sign that your laptop needs an emergency attention? Further on, you will find out about the potential reasons for such a noisy fan on your laptop & things, which you ‘should’ consider.

1. Blocks airflow
2. Dust and debris have built up inside the laptop
3. Running lot of programs at once
4. Laptop fan is experiencing mechanical failure.
5. Malware is causing your laptop to overheat.
6. BIOS or drivers are out of date

For more read - https://perfectio.net/why-is-my-laptop-fan-so-loud/