Some Apple products contain sensors that respond when they detect temperature changes inside your system or device, turning on fans to bring cooling airflow to critical components. 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.
You might hear fan noise when this happens, especially if you're in a quiet environment. This rushing-air sound is a normal part of the cooling process.
Ambient temperature, the temperature outside the device, also plays a role in the fans' responsiveness. One such program is smcFanControl, a program that controls the speed of your fans. If your computer is running too hot, you can manually make the fans run faster. You can only set speeds higher than they need to be, not lower. The second is CoolBook, a utility that lets you essentially downclock and undervolt your processor, which produces less heat. Based in California, James Wright has been writing since Wright's articles have been published on various websites with a focus on technical fields such as computers and the Internet, and were also featured in a now-retired publication for an online artistic community.
Wright studied English, journalism, politics and psychology at Riverside Community College. How Is a MacBook Cooled? Cut down on your multitasking by closing apps when you are done using them, especially when you are using graphics-intensive apps like Photoshop and iMovie. In my experience, Chrome is more of a resource hog than Safari, so you might try switching browsers for a quieter Web browsing experience and good news, Safari is getting favicons!
These vents draw in cool air and expel hot air. If you block these vents by resting your laptop on a lap, couch cushion, pillow, bed or blanket, then your Mac is sure to heat up quick. I use a coffee table book to keep my MacBook Pro's vents unobstructed when sitting on a couch or lying in bed.
If it looks like a bunch of grime has collected along the vents, you can try blowing it away with a can of compressed air. Of course, you run the risk of just blowing the debris further into your Mac.
If that appears to be the case, then you will need to open up your Mac to get under the hood. Get yourself a tiny Phillips-head screwdriver and you can remove the bottom panel of your MacBook to clean out any dirt, dust and grime that may have collected over the years.
Use your can of compressed air to blow away any debris or a lint-free cloth to wipe it away. Pay particular attention to the cooling fan itself and its vents, along with the entire back edge of your MacBook.
The goal here is clean passageways for maximum airflow. Ask Question. Asked 10 years, 9 months ago. Active 10 years, 9 months ago. Viewed 19k times. According to the User's Guide of the MacBook Air, it says: Set up your MacBook Air on a stable work surface that allows for adequate air circulation under and around the computer. Improve this question.
Senseful Senseful Add a comment. Active Oldest Votes. Hope this helps. Improve this answer. Nathan Greenstein Nathan Greenstein
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