One iMac user complains on Reddit about the coil whining sound coming from the coil of his M1 iMac and he asked if anyone else experienced this? Many other users came forward and agree with the issue that they have been hearing the whining sound too. Since the launch of the M1 iMac, there have been many complaints coming from the users. They complain that their MI iMac 2021 has a buzzing sound coming out from its back. One of the users also complained at the Apple Support platform, that this noticeable buzzing sound is coming from the ports.
He said; “He also got the M1 iMac and is hearing a buzzing sound. Talking more about it, he said he was even able to locate the place it was coming from. He shared his experience that if he put his ear direct over the ports (behind the screen)he can the noise coming from there”
M1 iMac 2021 has the buzzing sound due to low display brightness
Another iMac user in the Apple support forum relates the problem to the display brightness. He said:
“He figured out that when he lowers the display brightness of his iMac to 85% and below, then the buzzing sound appears. But when he increased the brightness to max his iMac was dead silent”
And other users also complain about this. It is some technical issue with the device. If you are facing this, then contact Apple support immediately and if your device is new then try to get a replacement.
Why your iMac is Making a Whirring and buzzing sound?
There is not just one reason why your M1 iMac 2021 has a buzzing sound. Multiple reasons can lead to various noises coming from your iMac. The common reasons why your iMac is making buzzing sounds are:
APPLE T2 CHIP: 1st Reason for buzzing sound from iMac
Apple T2 Chip creating noise when the charger is plug into the iMac. Almost every 2021 iMac has an inbuilt Apple T2 security chip that makes a loud whirring noise when you plug your iMac. This noise is basically a security signal which shows that there might be some problem with your M1 iMac 2021.
iMAC OVERHEATING: 2nd Reason for buzzing sound from iMac
Sometimes, overworking on your iMac like playing games can cause overheating of your iMac. This leads to the turning on of fans because iMac has sensors that detect high temperatures. The rushing buzzing/whirring sound from your iMac can be the result of M1 iMac overheating.
The fans are the main reason why your M1 iMac 2021 is making a whining noise. This whirring sound you hear occurs when there is a problem with your iMac. So, try the following methods to fix this buzzing sound.
How To Stop Fan Noise in iMac?
Method# 1 to fix “M1 iMac 2021 has the buzzing Sound”:
Sometimes, iMac users turn in the diagnostic mode which makes the fan run at the fastest speed. When this happens we usually go for restarting the iMac. But this is not the solution. Here, follow the steps to troubleshoot the problem:
- Fully Shut Down the system
- Wait for 15 seconds after disconnecting the power cord
- Then reconnect the power cord and wait for 15 seconds
- Again Power On the system.
Here, take a note that when you insert the power cord, do not press the power button along with it, it is the main reason why fans run at the fastest speed. Press the power button after inserting the cord.
Resetting SMC – How to reset System Management Controller ?
By resetting SMC you can get rid of the buzzing sound coming from your iMac 2021. The System Management Controller (Intel Macs) is a chip known to manage the power for different components of the system. For example, the fans and backlight, and also the circuits that initiate power to the whole system. That’s why resetting SMC might stop the buzzing sound of iMac.
How To Reset the SMC on M1 iMac?
- Shut down your computer.
- Press and hold the Shift, Control, and Option keys on your keyboard and hold the power button at same time.
- Release all keys simultaneously after 10 seconds.
- Again turn on your MacBook.
This is how you can easily reset your SMC and can stop your M1 iMac 2021 from making the buzzing sound.
Make sure the Vents of iMac are not blocked
Sometimes, dirt can clog the vents of iMac and it becomes difficult for the fans to completely circulate the air in the system. In this case, the fans of iMac run at the fastest speed causing the buzzing sound.
I would recommend here to visit the technician here. The technician will open your M1 iMac and will properly clean the dit from inside and if there is some other issue, he will tell you about that too.
Here find all the ways to keep your phone clean and dirt free for efficient performance.
And not just dirt, sometimes you place your iMac at such a place where it is stuck between other stuff and its vents got blocked. This leads to overworking of fans to cool the system which ultimately results in whining sound coming out of the device.
If none of the above solutions solve your problem then try contacting Apple Support or visit Apple Store. Let us know in the comment section if you find this article helpful. Also, leave below other queries you have in your mind.
