Computer Fan Very Loud Suddenly

But when it runs too long or too loud there may be another cause to consider.

Hunter fan transmitter. A dirty heat sink. You can monitor cpu memory and disk usage to see if the change in fan speed correlates with any of them. Sometimes even if a fan is in good working order its just too loud.

The problem is that something has triggered the fans to run faster and macbook pro fan suddenly loud. Esto tambien se puede leer en espanol. The problem is not that the fans are running.

When your computer overheats your macbooks fan kicks into action. There are times when you need to bite the bullet and accept that your pc will sound like a light aircraft such as when youre doing temperature raising activities like gaming and video. The fans job is to cool the interior of your mac so you want them to run if the interior is hot.

What would happen was a rev up on the fan so it was really loud and the monitor wouldnt come on and id have to restart the computer. Pros couldnt find anything wrong. If by very loudly you mean that rpms suddenly increase then the direct cause is either heat or a faulty heat sensor.

Theres usually a very good reason for a fan to be running fast or making noise the root cause of which youre working to solve with the steps below. One typically can only hear the fans when they are running at full speed. A lot of other computer fan troubleshooting articles out there recommend software tools that force your computers fans to slow down but we never recommend those.

Smaller fans tend to be noisier so if you have a 90mm fan you can replace with something larger or get rid of altogether.