
The hot air is pushed out of these vents near the monitor, which is one reason that the area near the hinge often feels warm. If you have a fan that turns without stopping, it will be necessary to think of the SMC or the management controller of the system.In the case of the MacBook, the main vents are located near the hinge of the monitor and keyboard. Removing this dust can stop your Mac overheating and producing loud fan noise.Īmazingly, why won’t the fan on my Mac turn off? Macbook Air fan does not stop anymore, check SMC or system management controller. Over time, that builds up and sits on the motherboard and components like a blanket.


The SMC is responsible for controlling low-level functions on your Mac including “thermal management,” aka the cooling fan.Īlso, why is MacBook air fan so loud? Clean dust out of your Mac One of the big problems with fan-based cooling is it draws in dust as well as air. Likewise, how do I stop the fan on my Mac? If your Mac is clean and grime-free and you are keeping your apps and tabs in check and the fan is still spinning frequently and loudly, then try resetting the System Management Controller (SMC). Possible causes of a MacBook fan being always on can be dust build-up, heavy GPU use, regular wear and tear, and more. After a few seconds of waiting, briefly press the power button so that the Macbook Air turns on again.įurthermore, why does my MacBook air fan keep running? Why is MacBook fan always on? The MacBook fan always on issue usually doesn’t indicate anything serious and in most cases can be fixed without too much hassle.Keep the power button (the small on / off symbol, located at the top right of your keyboard) pressed for about ten seconds.
