What may be the reason behind the MacBook fan being so loud?

If your MacBook fan is loud: Check CPU usage, Ensure proper ventilation, Clean dust and debris, Close background apps, Update macOS, or maybe you should consider trying Fixtops AI which is designed to diagnose MacBook problems and also offer guidance on potential fixes and maintenance.Consider hardware issues if persists, and contact professional support, Fixtops AI can connect you to a nearby expert for further assistance.