The answer to 'surge protector buzzing noise' is that a buzzing sound from a surge protector is usually caused by a faulty or damaged internal component. This can be due to age, electrical surges, or manufacturing defects. A buzzing surge protector may indicate that it is no longer providing effective protection and should be replaced.
If the surge protector is making a buzzing noise, it's best to unplug it immediately and replace it with a new one. Attempting to repair a buzzing surge protector yourself is not recommended, as it can be dangerous. Surge protectors contain electrical components that can deliver a shock if not handled properly. It's safer to invest in a new high-quality surge protector from a reputable brand to ensure your valuable electronics are properly protected.