The remedy: Prop the MacBook up on a book, laptop stand, or some other flat surface that provides a clear path for air to pass through the vents. If there's a downside to the fact that MacBooks tend to live a very long time, it's that there's plenty of time for yours to get caked with dust, which impedes airflow and makes it run hot. If your MacBook is more than a couple years old, open it up occasionally and clean out the dust.
You'll need a simple Phillips-head screwdriver to remove the bottom panel and gently blow out any built-up dust. Your MacBook has an ideal range of operating temperatures — Apple recommends a range between 50 to 95 degrees Fahrenheit.
If you work in direct sunlight or in a space that's very hot, it can cause your MacBook to overheat. This might be surprising — after all, how harmful could it be to have a bunch of tabs open in your web browser?
It turns out that no matter which browser you use, opening a lot of tabs is a resource-intensive activity. No matter what kind of MacBook you have, try to limit yourself to fewer than a dozen tabs at any given time. And if your system is starting to run hot, close any nonessential tabs to take the load off the CPU. Similar to managing tabs in your browser, avoid running too many programs at once — especially extremely resource-intensive programs. Many users find Adobe Photoshop and iTunes to be a particularly bad combination, for example.
If you're using Photoshop or another graphically intensive app , perhaps use your phone for music. Some apps put a significant load on the CPU.
Whether that happens ordinarily or the app is misbehaving, the fact remains that it can cause your CPU to run hot. To check, go to the Finder, click "Applications," and then click "Utilities. If you see something monopolizing the CPU and you don't need to use it, close that program. It's possible however unlikely that your MacBook's fans have failed. You can find out by running a diagnostic built into your Mac.
Other apps are just too resource-hungry even when they do work properly. Does your MacBook overheat whenever you do intensive online research with lots of tabs open? A mess of them in your browser could significantly slow down your Mac and make the fans work harder as it tries to avoid heating up.
Many Mac users prefer third-party browsers like Firefox, Opera, and Google Chrome , but these browsers consume way more system resources than Safari. Some MacBook Pro computers have two graphics cards: a more powerful card and a less powerful one. Naturally, the more powerful card needs more resources and may cause overheating and battery draining.
And don't worry, it's completely safe to reset. Note: For the latest MacBook models follow these instructions. How is keeping your MacBook updated related to it overheating? Well, updating to the newest version of macOS fixes software bugs and helps apps run efficiently.
After updating to a new version of macOS, background processes start reindexing the system and databases for Spotlight or Photos. This is a time-consuming and CPU-intensive task, but it needs to happen at some point. Another common problem that causes MacBooks to overheat is counterfeit chargers.
Stick to the original charger that came with your MacBook or, if you need a new one, make sure to get it from an authorized Apple store. You can also check if your charger is certified by Apple here. If the fans on your Mac are still going crazy, you can test them by running a built-in hardware diagnostics tool. For more information, check this article on how to use Apple Diagnostics to fix your Mac's hardware.
When you do this, you cover the air vents and stop the fans from cooling down the processor. So the easiest way to prevent overheating is to use your MacBook on a hard, flat surface, giving it plenty of ventilation. A desk or a table will do far better than your lap.
Viruses might hijack your Mac's resources and use them for crypto mining, attacking other computers, and performing other operations that could cause your MacBook to overheat. For instance, if you have already installed MacKeeper, you can use the Mac adware cleaner feature for this purpose. Yes, overheating can damage sensitive internal parts of your MacBook.
However, many built-in safeguards will slow down or shut off your Mac before it overheats. Yes, exposing your MacBook to direct sunlight will raise its temperature and cause it to overheat quicker. Use your device on a hard, flat surface like a table or desk for optimal temperature control. If you use your device on a soft surface like a couch, pillow, bed, or your lap, its fans might run more. If the fans in your device run fast even when it isn't experiencing heavy usage and is properly ventilated, follow the steps for your device:.
About fans and fan noise in your Apple product Learn how your Apple product monitors internal temperatures and uses fans to cool critical components.
About fan noise If your device's processor is working on intensive tasks—such as compressing HD video, playing a graphics-heavy game, or indexing the hard drive with Spotlight after you migrate data—the fans run faster to provide additional airflow. Make sure the vents on your Apple product aren't blocked Some Apple products have vents that let fans bring in cool air and expel hot air. Check for unexpected heavy fan use If the fans in your device run fast even when it isn't experiencing heavy usage and is properly ventilated, follow the steps for your device: On an Intel-based Mac : Reset the System Management Controller SMC On a Mac computer with Apple silicon : Close and open the lid on your notebook, or restart your computer.
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