Mac smc fan control6/28/2023 ![]() ![]() With multiple fans, it is also possible that a single fan doesn’t have access to all the sensors on your Mac in which case you’ll have to keep an eye on multiple sensors and the temperature of multiple regions. If you have more than one fan though, it means cooling is divided between them and you will have to look at several different regions within the chassis of the Mac to manage the heat effectively. If you have a single fan on your Mac, it might be fairly simple to manage it since you know it’s the only thing that will be keeping it cool. Tap the Power button to turn the MacBook on, and your fans should be back to normal.Release the buttons and wait 5 seconds.Hold down the Left Shift key + Control + Option + Power button all at once for 15 seconds.If it isn’t connected, connect it first before moving to the next step. To fix it, you have to perform an SMC reset or a System Management Controller reset. ![]() If your fans are suddenly running when they shouldn’t, running constantly, or not running at all, you’re going to have to fix it. While this is generally safe, you can run into problems with the fan even if you aren’t changing how they work.
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