Your MacBook Air fan suddenly making loud noise means something is wrong with the air vents or the inside processing chamber of the Mac causing the fan to make a noise while running. Actually, there is sensor inside the processing chamber that detects the heat of temperature of your MacBook Air and this running fan helps to bring down the temperature of the device.
The running of fan is a normal phenomenon and at the time running big size or complicated applications like HD videos, high-definition graphic games and running other heavy applications fan runs at faster speed to throw additional airflow. While running at faster speed you will listen loud noise and noise could be louder if you are sitting at a quiet environment.
But if you are not running any such heavy application, and sitting at normal place and fan is making the loud noise, it may be because of virus outbreak that you can deal with by reading our Blog How to Remove a Virus on My MacBook Air or you can follow the steps given below and fix the MacBook air fan making loud noise issue with right approach.
Steps for MacBook Air Fan Noise Fix:
Step1: Check the outer chamber of air vent if there is any kind of dust accumulated, blockage of air also causes loud of noise of fan while running.
Step2: If you found any such dust particles or the webs covering the air throwing from the vents cabinet then clear the same with right precautions.
Step3: Now check if there any large size application is running at the background, it also consumes memory space and put extra burden on the processing chamber resulting the air fan runs at very faster rate.
Step4: Keep your MacBook Air on the flat surface allow the vent to through uninterruptedly. Putting laptops on bed or couch generally face such issue due to improper airflow.
Step5: If you MacBook air is making a loud noise due to Fan you can check the temperature of your device, if it is above the normal place it in cool environment to bring down the temperature.
Step6: If fan is still making extraordinary noise open the air vent chamber and check if something is wrong with the fan wheel.
Hope MacBook Air fan noise loud issue is fixed on your MacBook Air and you are now enjoying a noise-free computing. However, if the problem is still not fixed you can call at MacBook air support phone number and get online solution for software issues by experts affecting the fan controlling functions of your computer.