It’s not only frustrating if your Mac starts to sound like it has a jet engine inside; it might also mean that something is wrong. Your Mac may be overheating as a result of a problem, or you could have a bad fan. If those fans continue to spin even though nothing seems to be wrong, follow these instructions. It is a Common Mac issue you might encounter, so here in this article, we are going to discuss why a mac fan is so loud and how to cool down your Mac and stop it from overheating.
Why has my Mac fan suddenly become so loud?
As the fans are placed to cool down the interior of your computer by improving the airflow around the components, having them running at full speed isn’t necessarily a clue that something is wrong with your Mac.
Your Mac will be working really hard if you’re using computationally demanding programs, like HD video editors or top-tier games. This produces heat. The fans will start spinning up as soon as the fan sensor detects an increase in temperature to prevent the system from roasting itself to oblivion. So it’s actually a good thing if you see the noise levels rising when compressing a 4K clip about your recent vacation or engaging in a particularly frenetic League of Legends match.
Of course, there are a few more aspects to take into account before contacting Apple support if you’re not doing any of these things.
Check the CPU usage
When Mac’s CPU is working hard, as it would be when performing the tasks listed above, the fans typically turn on as a preventative measure. However, it’s better to open the Activity Monitor and look at the apps that are using up all of your CPU resources if you’re unsure of what’s making the fans run.
Holding the CMD key while pressing the Space Bar will launch Spotlight. Now perform a search for Activity Monitor and choose it from the results list.
Check to see which applications are at the top of the %CPU column after selecting the CPU tab. You can try to close it if it’s not necessary to see if that stops the fans. In the process, click and then click on the X above to stop it.
Check your room temperature
When diagnosing a fan issue, environmental elements must be taken into account. The ambient temperature may have a negative impact on the operation of your Mac if it’s a hot day and there is no air conditioning in your house or if the heating is turned up in your room.
Ideal room temperatures range from 50 to 95 degrees Fahrenheit. If it’s hotter than that, leave the room you’re in or put your Mac away.
Using heavy applications could make this even more difficult because a hot environment makes it harder for the fans to cool the computer down.
You can try placing a ventilated tray under a MacBook, such as the TeckNet Cooling Pad (£21.99/$23.99), to solve the problem. You may try the SwitchBot Thermometer ($24.99) to keep an eye on the temperature in your space.
Make sure the air can circulate
Your MacBook is probably sitting directly on a surface, which prevents air from moving around it. We advise utilizing a special MacBook stand so that air may at least flow underneath the device. By raising the Mac off of a flat surface like a desk or lap, using a stand will improve airflow around the chassis. The Twelve South Curve ($59.99/£49.99) is a favorite of ours.
Check your vents are clear of blockages
If the vents themselves are obstructed, which will make it impossible for hot air to exit the interior of the device, your fans may also be running like billy-o. While MacBook Air vents are all located at the top edge of the chassis next to the hinges, MacBook Pro vents are located along the back edge and also the side edges just past the USB-C ports.
Owners of Mac minis should inspect the bottom of the device because this is where cooler air is sucked into the chassis. You should also check the vents at the back to make sure they are clear so that heated air can be properly expelled.
The Mac Pro features vents on the front and back, whereas the iMac and iMac Pro have them on the back and bottom edge.
Ensure that none of these spaces are obstructed by anything on your desk or if you’re working on a couch, a cushion. To get rid of any accumulation of fluff or dust, you might try using a vacuum cleaner, but be careful to keep the nozzle at a safe distance from the device’s case to prevent any harm.
Make sure you are using an official adapter
Additionally, you should be using an Apple adaptor, and Apple advises connecting your adaptor to the MacBook before connecting it to the power.
Reset the SMC
Consider resetting the SMC (System Management Controller) if you’ve tried everything else and your Mac is still overheating. Before visiting the Apple Store, this is typically thought of as a last resort for fixing the majority of Mac issues. Here is a guide for clearing the SMC.
To reset the SMC (System Management Controller) on a Mac to resolve an overheating issue, you can follow these steps:
- Shut down your Mac.
- Unplug the power cord.
- Wait 15 seconds.
- Hold down the “Shift + Control + Option” keys on the left side of the built-in keyboard, then press the power button at the same time.
- Release all the keys and the power button.
- Plug in the power cord.
- Wait 5 seconds, then press the power button to turn on your Mac.
Note: The steps may vary depending on the Mac model you are using, so you may want to consult the Apple Support website for specific instructions for your device.
The ambient temperature may have a negative impact on the operation of your Mac. Ideal room temperatures range from 50 to 95 degrees Fahrenheit. If it’s hotter than that, leave the room you’re in or put your Mac away. Use a special MacBook stand to improve airflow around the chassis. MacBook Air vents are located at the top edge of the chassis next to the hinges. Mac Pro features events on the front and back, while iMacs have them on the back and bottom edge. Apple advises connecting your Apple adaptor to the MacBook before connecting it to the power.