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How to Keep Your MacBook from Overheating

By Emily Watson, Monday, March 05, 2018

Have your MacBook Pro or MacBook Air been boiling hot like a boiling pot? It is normal for MacBook to produce heat when it works, but it is another pair of shoes when it always keeps abnormally hot, which is a serious issue that you can't pass it over, because:

  • Overheat will slow down MacBook to run or even cause it to crash;

  • Force MacBook to shut down suddenly;

  • Do harm to some hardware and shorten MacBook Pro/Air's life expectancy.

Sounds horrible? Don't worry since we find out the following methods to keep MacBook away from overheating.

Solution 1: Tips to Avoid Overheating on MacBook

(1) Keep your MacBook in good ventilation. Do not place MacBook on your lap, quilt or pillow which may block its fans to radiate so that the heat accumulates and the MacBook becomes overheated. If necessary, you can place a computer desk on your bed.

Keep Mac from Overheating

(2) External heat affects MacBook's temperature for sure. Avoid direct sunlight and keep it in a cool place as you can.

(3) It's difficult for dusty fans to rotate and it wastes a lot of energy to run and therefore results in too much heat. Fans get dusty when it has been used for a long time.

  • If you are professional you can disassemble the MacBook and clean fans;

  • If you aren't, you are recommended to turn to Apple Store for help;

  • Also, suppose that the MacBook is used in a dusty environment, you'd better apply dust-proof case cover for your MacBook.

Solution 2: Quit Complicated Tasks

MacBook produces much heat when it carries on complicated tasks, for example, the Spotlight is indexing data, which will take several hours to finish. When there is a dot pulsating in the magnifier on the top menu bar, you will know that Spotlight is indexing data. Just put your MacBook somewhere cool to wait for the indexing to be finished.

MacBook Spotlight Indexing

Solution 3: Close Apps That Run out of Storage

Go to Finder > Application > Activity Monitor. Click CPU and see if any app occupies nearly 90% CPU. If does, there may be some mistakes in that app. Close it and clean its cache. If necessary, install it again.

MacBook Activity Monitor CPU

Solution 4: Reduce the Use of Apps That Often Crash

It's said that some apps are not optimized for MacBook system, like Flash. Try to use other apps like QuickTime which is built-in on Mac, to replace Flash Player; or when you need to run Flash on your MacBook, close other apps that are unneeded.

Solution 5: Have a Deeper Inspection on MacBook's Fans

Let's continue to check something about fans. Noise from fans may be the signal of mistake on fans. Check if there is a problem on the fans with Apple Diagnostics, Macbook's built-in hardware diagnostic tool. 

  • Shut down Macbook and connect power cable;

  • Press and hold power button and D key until the screen awakes, follow instructions and finish inspection.

Checking Your Mac

Solution 6: Don't Use Fan Control Apps

In case of fan running too fast to make noise, you may intend to use fan control apps to hold everything in your hand. Actually, MacBook can adjust fans' rotating speed based on CPU load and temperature automatically. In other word, if you use a fan control apps to changes fans' running speed, it could cause damage to the fans and make the MacBook overheat. Thus, using fan control apps is not a wise option.

Solution 7: Optimize Your Macbook

Unnecessary plug-ins and accumulated junk files are burdens for Macbook to run, which is also a reason for overheat. FonePaw MacMaster can give you a hand by monitoring the system status, clean up junk files, duplicate files, unnecessary plug-ins and problematic apps. Here is the guide.


(1) Run MacMaster, look at the left list and choose the type of file you want to clean, like system junks, duplicated files, old files, apps and app data. 

(2) Check the item you want to delete, and click Clean.

MacMaster Choosing Junk Files to Clean

Apart from clean your MacBook, updating it is also a choice. A current version allows MacBook to run more smoothly and remain cool.

Is the above ways help you cool down your Macbook? Click Likes below.

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