Lenovo V15-IIL 82C5 Loud Fan Noise

Placing the laptop on a soft surface can cause the vents to be blocked. This will trap the heat in the laptop and cause the fan to have to work harder, which will make the fan sound louder.

 A solution to this issue is to make sure that the laptop is always placed on a hard surface to allow for proper ventilation and cooling.

When your CPU usage is high, it causes more heat to be produced in order to keep up with the demands required from the Lenovo V15, which then causes the fan to create more speed, which makes the fans louder than normal.

Some ways to decrease CPU usage on your Lenovo V15 would be to close programs you are not actively using, applying power-save mode, or disabling startup items. You can open your task manager on the computer and clear up CPU usage.

A faulty fan is a fan that has physical damage, is worn out, or might be dirty which is what causes it to make a loud noise. When the fan is faulty and the laptop is running normally, it will still make noise even though nothing is wrong with the laptop itself.

The solution to this problem is to replace the fan with a new one or clean the old one. If you would like to replace it yourself, follow the step-by-step guide here to replace the fan in the Lenovo V15.