HomeHow ToTop 7 Ways to Fix MacBook Fan Running Loud or Overheating

Top 7 Ways to Fix MacBook Fan Running Loud or Overheating


Key Takeaways
  • Apple Mac is popular for its high performance, but users may face the issue of a loud fan running, causing disturbance.
  • Reasons for the loud fan noise include heavy tasks, outdated software, and low memory storage on the Mac.
  • Solutions to fix the loud fan issue include improving air circulation, updating the Mac, freeing up memory, restarting the Mac, resetting NVRAM, resetting SMC, and running Apple Diagnostic Test.

Apple Mac is one of the most powerful machines that everyone uses for their work. The user can handle heavy programming, editing, designing, or something else. The Mac has never disappointed users in terms of performance. The performance of the Mac is outstanding only because of the optimization provided by Apple with its processor and operating system. This is one of the reasons why users prefer Macs more than other laptops. Still, Apple users face the Mac Fan Running Loud issue after having the most powerful processor and best parts in the Mac.

There are many reasons available for the cause of the issue. The users are unhappy only because the loud speed of the fan is causing them disturbance, as well as they were not expecting the loud noise of the fan from the Mac. Now, they are looking for ways to fix the issue on their Mac. We have the seven best ways to fix a Mac fan running loud issue. Keep reading this guide till the end to learn about the ways properly.

Why is My Mac Fan So Loud All of a Sudden?

You might be wondering after hearing the fan sound of Mac. Many Apple Users have reported that their Mac fan is running so loudly, disturbing them. Apple is famous for providing the best powerful laptops and phones. The Apple Mac is one of them. However, there are many reasons available why you might hear the loud fan noise of the Mac.

Fix MacBook Fan Running Loud or Overheating

It can happen if you do some heavy tasks, have not updated your Mac, and much more. As you are using an Apple Mac, it’s obvious that you might not expect loud noise from the fan like the other laptops. However, Apple users need not worry as there are plenty of ways to fix the issue easily. The guide will list the best ways to resolve the noise fan issue you face on the Mac. So, let’s find it out.

Fix Mac Fan Running Loud or Overheating Issue 

Fix 'Sorry, No Manipulations With Clipboard Allowed' on macOS

Thousands of Apple users are finding ways to resolve the loud issue of the Apple Mac. The users are looking for ways because they know that the Apple Macs are one of the best laptops in the world, and the loud fan noise is not just a simple issue on the Mac. It occurs due to various reasons that can be fixed easily with the help of some troubleshooting steps. To help the users in fixing the Mac Fan running loud issue, we are here with some simple ways. You can easily follow the instructions we have listed below steps to resolve the issue.

Improve Air Circulation

One of the common mistakes that every Apple user makes is that they don’t ensure the air circulation of their Macs. The users use the Mac in whatever locations, which can be flat or might not. Many users use Macs on their beds, pillows, or other soft places. All of these places can block the flow of the air circulation of the Mac from the fan, which can be a reason for the loud fan noise.

It is best and suggested by many professionals to use their Macs or any other laptops on a flat surface through which the air can flow without any issues. It is done so that the circulated flow of the air can be done regularly. Even after using the Macs on a flat surface, if you are facing the same issue, then it is suggested that you should use the Mac holder, which is designed best for air circulation that will surely help your Mac in improving the air circulation of the Mac that you are using. You can also buy the Mac holder even if you are not facing the issue, as it is advisable for all users to use it.

Update Your Mac

Another reason by which you can face the issue of loud fan noise on your Mac is outdated Mac. Apple users need to ensure they are using the updated version of macOS on their MacBook or iMac. If they are not using the latest version, different issues can occur on their system. This is because Apple releases updates regularly so that the Macs can run without any issues for Apple users.


Also, the newer macOS updates contain the updated files and components, which helps run the apps and other startup files without any issues. It is done to ensure the resources are allotted and appropriately used by the system. When the resources are allotted to the apps properly, then the loud fan noise issue will not occur on your system. Thus, if you have not updated the Mac for a long time, we suggest you update it and check whether the issue has been resolved.

Free Up Memory

We all know that Macs come with limited storage, which starts from the variant of 256GB. If you have been using the Mac for a long time and stored many files on it, then the time has come to delete them. There are chances that the issue is arising on your Mac due to storage issues. If your Mac does not have the minimum storage space left for use, then the issue of loud fan noise will start occurring. In this case, you have to check Mac’s property that whether the storage is full or not.

If the storage is full, you have to start deleting the files or shift them to another external storage device to free up memory on your Mac. Also, if you have bought the starting variant of the Mac, then we will suggest that you should not store large files on it. It is because Macs already have less storage, and if you start saving large files on the Mac, you will face different issues similar to the loud fan noise issue.

Restart Your Mac

The loud fan noise can also encounter on your Mac due to various apps and startup files. In this case, you can use the Restart feature to fix the issue. By restarting the Mac, all the startup files and apps will be started again. Also, the resources will be freed on your system, so if any of the apps were using most of the resources, and due to it, the issue was arising, then it will be fixed quickly. Whenever you hear the loud fan noise of the Mac, then restart your Mac at that time, and check whether the issue has been resolved or not.


There are chances that the Mac is not running properly due to some hardware issues. You can easily fix this issue by using the option of Reset NVRAM. By using this, all the settings of the Mac will be reset to default, and the issue of loud fan noise you were facing will be resolved. However, to reset the NVRAM on your Mac, you must follow the steps listed below.

  • First of all, shut down the Mac.
  • Now, turn on your Mac.
  • After it, quickly press the Option + Command + P + R Key.
  • Hold the keys for more than 20-25 seconds and release.
  • The Mac will be started again, but the NVRAM has been reset.

Reset SMC 

Like the Reset NVRAM method, this is another way to resolve your system’s loud fan noise issue. To reset SMC on the Mac, you have to follow some steps, which are listed below.

  • First of all, Shut down your MacBook.
  • Press and Hold the Shift + Option + Control Key. After it, also press the Power Button. Hold all the keys for 10 seconds.
  • That’s it, and you have reset the SMC on your Apple Mac.

Note: You will not b able to Reset SMC on the Silicon Powered Macs. In this case, you must restart the mac, as it can help resolve the issue.

Run Apple Diagnostic Test

One of the efficient ways to check why the fans of Mac are running so loud is running the Apple Diagnostic Test. By running the Apple Diagnostic Test on your Mac, you can check for your Mac’s issues and how to solve them to resolve the fan issue. The Apple Diagnostic Test is provided by Apple itself so that the users can use it to recognize the cause of the issue they are facing.

Apple Diagnostic

Also, once the users have started it on their system, it will start the scan to check for any problems occurring on the Apple Mac. Once the scan is completed, the app will list all the problems on the screen by which you can try to resolve them or take the Mac to the service center. To run the Apple Diagnostic Test on your Mac, you have to follow the steps which are listed below.

  • Shut down the Mac.
  • Now, turn on your Mac and keep holding the Power Button.
  • The startup options will appear on the screen. Release the button after it.
  • After it, Press and hold the Command + D Key.
  • Now, the list of problems will be shown on the screen. Try to fix them one by one.
  • Also, if you want to rerun the test, press Command + R Key.
  • If you want to restart the Mac/shut down the Mac, press R/S.

Wrapping Up

Apple Macs are considered one of the premium laptops in the world. The users buy it because of the performance that it provides to users. It helps users in programming, video editing, designing, and more because it can handle heavy tasks. However, many users have reported the loud fan issue whenever they do heavy tasks or do something else on their mac.

Due to the issue, the users are getting disturbed and worried as the mac’s performance is also decreasing. To help Apple users, we listed the reasons and the ways to fix the loud fan problem in the Mac in this guide. We hope this guide will help you a lot in resolving the issue. That’s it, do let us know if you have any doubts.

FAQs – Mac Fan Loud Issue

1. How do I stop my MacBook fan from being loud?

We have added ways to resolve the issue on the Mac. Make sure to check the ways which are provided above.

2. Why is my Mac fan so loud all of a sudden?

There are many reasons available why you can hear a Mac fan so loud suddenly. You can check the reasons above.

3. Why is my MacBook Air fan so loud for no reason?

We have added the possible reasons for the MacBook Air fan is so loud. Do check them above.


Aditya Dhanraj
Aditya Dhanrajhttps://itechhacks.com/
Aditya Dhanraj is a Web Developer by profession and Content Writer by passion. He loves to write about gaming and technology guides. When he is not writing, he must be developing something!


Please enter your comment!
Please enter your name here