Asked by: Rosaida Hagmans
technology and computing laptops

Why is my iMac making a loud fan noise?

Last Updated: 3rd January, 2020

The most common reason for fans to run atfullspeed is that the air vents are blocked. If you're using yourMacon your lap or on a soft surface like a bed or blanket thenthefans may just be working harder to try to push out thehotair. Restarting your Mac could reset the temperature sensor sogivethat a try.

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In this way, why does my MacBook Pro make a loud fan noise?

If your Macbook Pro fan is loud most ofthetime, it may indicate its running faster than it shouldbe,or there is something triggering it to do this.Makesure it is not clogged with dust. Fans arenoisy whenthey have to run faster, and it may berunning faster becauseits clogged with dust.

One may also ask, why does my Mac fan keep running? It's one of the biggest causes of CPU/GPU stress,andwill no doubt increase your Macbook Pro fanspeedbecause Flash is so intensive on hardware. RestartyourMacbook Pro. If the fan is continuallyrunningat a high speed, try a Restart. If a restart doesn'twork, tryresetting the SMC and PRAM.

Also to know, how do I turn off the fan noise on my Mac?

Fix Fan Noise & Heat in OS X by Resetting SMC

  1. Shut down your Mac.
  2. Plug in the MagSafe adapter.
  3. Press and hold Shift+Control+Option+Power button at thesametime.
  4. Release all keys and buttons simultaneously.
  5. Press the power button to turn on your Mac as usual.

How do I clean the dust out of my MacBook Pro fan?

Get yourself a tiny Phillips-head screwdriver and youcanremove the bottom panel of your MacBook to cleanoutany dirt, dust and grime that may have collected overtheyears. Use your can of compressed air to blow away any debrisor alint-free cloth to wipe it away.

Related Question Answers

Argelia Araluce


Why is my Mac getting so hot?

Dust and Dirt
Similar to softer surfaces, dust and dirt inyourMac — especially in the fans — will makeitwarmer. This is because Macs rely on vents todissipateheat. If the vents of your MacBook are filled witha lot ofstuff, it's bad for air circulation.

My Bandini


Where are the fans on a MacBook Pro?

Where is the fan located on theMacbookPro? Let's assume you are talking about somethingwith the samebody as the current MacBook Pro with Retina.The output forthe fans is located below the bottom of thescreen. You willnotice numerous openings in the black part of thebody of thecomputer there.

Merzouk Arenzana


Why is my MacBook pro overheating?

Spray compressed air into the air vents onyourMacBook. If the air vents have become clogged with dust,itcan overheat because the hot air in the laptop is notbeingdispersed. Spray short controlled bursts of air intothevents.

Magyar Barrateiro


What is the SMC on a Mac?

The system managementcontroller—orSMC—is a chip in Intel-basedMacs. It'sinvolved in running a lot of the physical parts ofthe machine,including LED indicators, keyboards and otherperipherals, coolingfans, and power buttons.

FayƧal Vansovich


Where are the fans on a MacBook Air?

In the case of the MacBook, the main ventsarelocated near the hinge of the monitor and keyboard.

Merche Legaza


How can I clean my MacBook Pro?

How to clean a MacBook
  1. Power down your Mac and unplug the power cable and anyotheraccessories.
  2. Grab a microfiber or other soft lint-free cloth.
  3. Lightly spray or dampen the cloth with water (distilled waterisbest)
  4. Wipe down your MacBook.

Oreto Salichs


What is Kernel_task?

The kernel_task is a software process thatlumpstogether many of the current "tasks" that the kernel isperforming.Keep in mind that while the kernel_task may bewhat appearsto be using up CPU processes, it is some underlyingfunction thatis using up the CPU and just being reportedthroughkernel_task.

Dharminder MiguelaƱez


How can I make my fan quieter?

How to Make an Oscillating Fan Quieter
  1. Place your fan on a carpeted surface and turn it on.
  2. Clean dirt and dust from your fan.
  3. Inspect your fan's parts (fan guards, emblems and housing)tosee if there are any loose objects that may be causing arattlingnoise.
  4. Align your fan blades.
  5. Lubricate your motor bearings.

Yisenia Lizander


How do I reduce the fan noise on my computer?

Low-cost methods
  1. Reduce CPU supply voltage ("undervolting").
  2. Enable Cool'n'Quiet for AMD CPUs or SpeedStep (also knownasEIST) on Intel CPUs.
  3. Reduce fan speed.
  4. Mount fans on anti-vibration mounts.
  5. Remove restrictive fan grills to allow easier airflow,orreplace noisy fan grills with quieter versions.

Chelsie Adashik


Why is the fan on my computer working so hard?

Reason #1: Blocked air vents
Sometimes, dust, dirt, and other debris block theairvents of your computer and it can't create enough airflowto cool down efficiently. The fan makes some difference,butthe problem simply could be that it can't dissipate the heatfastenough so the computer just staystoowarm.

Timur Ayestaran


How do you fix a noisy laptop?

6 Solutions to Fixing Loud Laptop Fan
  1. Turn your laptop off and plug it out the electricity.
  2. Flip it to the backside.
  3. Remove its battery.
  4. On the outer edge find the air vent.
  5. Unscrew that panel and open it up.
  6. Now, you can see the fan underneath it.
  7. The only thing that you need to do now is to blow outthedust.