How To Fix Kernel_task High CPU Usage On Mac.jpg

How to Fix kernel_task High CPU Usage on Mac (2021 Guide)

Suppose being unable to utilize your high-end MacBook because of a mysterious procedure is using a significant portion of the available CPU. Isn’t it extremely irritating? When your Mac gets sluggish and overheats or you face high CPU usage, the issue becomes even more aggravating.

Kernel task is the term given to a group of low-level functions on your Mac that allow the rest of your machine to function. As a result, identifying the perpetrator might be difficult.

We’ve seen this frequently, so we’ve compiled a list of suggestions to assist you in resolving the issue.

What is Kernel_Task?

The kernel_task mac process is at the heart of macOS and contains a number of low-level functions that enable the machine to function. One of its main duties is to keep your Mac from overheating. 

Kernel task merely refers to the names of various processes that contain specific data about them. Malware, buggy updates, incorrect so keep your MacBook away from overheating software settings, and hardware issues are just some of the factors that may wreak havoc on Mac performance. If not addressed, this can shorten the life of your CPU ( high CPU usage), graphics card, and other parts.

How to rectify a slow Mac?

If your Mac looks to be operating sluggish, producing a lot of heat, or sound like it’s about to go off because of excessive different flow rates, you need to check with a few steps on your windows for the high usage of CPU on your Mac.

  • Click Go in the menu bar on your Mac’s homepage and pick Utilities.
  • Double-click Activity Monitor after that.
  • Finally, go to the CPU tab and look at the percent CPU column to see whether there are any programs or processes that are actively consuming your Mac’s CPU.

Check CPU Usage on Activity Monitor

How can I decrease my Mac’s CPU usage?

How do you reduce CPU consumption now that you know how much of your Mac’s processing power is used by system processes and third-party apps? You might begin by force-quitting any programs that are no longer in use.

  • Go to Activity Monitor, 
  • Choose an app and press the X symbol in the top-left corner of the window to close it. 
  • To close the app, select Force Quit.

Select Force Quit to Close The ApplicationAnything that is triggering the critical rise in CPU utilization might reap reappearance. If you’ve been having problems with your system management controller (SMC), you may need to try rebooting it as well. This is a simple procedure that can resolve a broad range of macOS difficulties.

The instructions for resetting the SMC differ significantly depending on the Mac model. We offer a whole instruction on how to reset your Mac’s SMC because it can solve so many problems. It also includes restoring your PRAM, which is another component of a Mac that may cause a variety of problems.

Other Options to fix kernel_task mac high CPU usage

1. Install/update to the most recent version of the operating system:

Apple releases new OS versions every year, along with interim updates that include minor bug fixes and entirely new features. After some time, Apple looked into the issue and released a fresh set of updates to address it. So it’s possible that you’ve run into the same issue and need to install fresh updates. Follow the steps outlined below to do this.

  • Select System Preferences from the menu.
  • Then, on the next page, select Software Update and follow the on-screen instructions.
    Select Software Update On Mac
  • Whether fresh updates are available, install them and reboot to check if the problem remains.

You can also configure Mac to receive automatic updates so you don’t miss out on new features. Perform the following actions:

  • Select the Automatically install Mac software updates and Check for updates checkboxes in the Software Update section.
  • There are a variety of different automatic update choices available, depending on your preferences.

2. Start using any reliable antivirus tool:

Malware may use up virtually all of your Mac’s processing capacity, causing it to close to it. To conduct a comprehensive scan on your Mac’s disc, use an antivirus program like Antivirus One. Antivirus One rapidly and effectively identifies and eliminates spyware, avoiding malicious software from using your Mac and causing damage. You can uninstall apps on Mac that are not good for your Mac.

3. System management controller reset:

The keyboard, fan, battery, and other crucial internal components are all controlled by the System Management Controller (SMC). You should reset the SMC if you’ve found that your Mac’s fan is frequently operating at full power. This is how you fix it:

  • While selecting Apple menu > System Information, press and hold the Option key.
  • Depending on the version of macOS you’re using, choose Controller or iBridge from the sidebar.
  • Your Mac contains the Apple T2 Security Chip if you notice “Apple T2 chip” on the right.

4. On Macs with a T2 chip, how do you reset the SMC?

  • Turn off your Mac.
  • Tap and hold the following keys on the keyboard. It’s possible that your Mac will turn on.
  1. On the left side of your keyboard, there’s a control.
  2. On the left side of your keyboard, there’s an option.
  3. Press the right-hand shift key on your keyboard.
  • Hold all three keys for 7 seconds, then press and hold the power button. If your Mac is turned on, it will turn off as you continue to press the keys.
  • Hold all four keys for another seven seconds before releasing them.
  • To turn on your Mac, wait a few seconds and then push the power button.

Push The Power Button To Turn On Your Mac

All the steps rejuvenate your Mac and you will be able to kill background processes running on Mac. 

5. Restart your Mac:

It is important to organize and optimize your Mac. This process will restart the operating system and terminate any background programs or services that were stressing your Mac’s CPU without your knowledge. 

6. Update non-volatile random-access memory:

NVRAM is a type of computer memory that can save data unless the memory chips are switched off. The NVRAM can be reset to get the kernel task’s CPU use back to normal.

  • Turn off your Mac and wait for it to completely shut down.
  • Once, press the power button.
  • Hold the following keys down as soon as the display turns on or you hear the starting sound: Option + Command + P + R (Option + Command + P + R).
  • Keep those four keys pressed until your Mac restarts.

Keep Those Four Keys Pressed Until Your Mac Restarts


Surely, one of these tips assisted you in resolving the problem and improving the performance of your Mac. 

These are the most popular methods for resolving to throttle and reducing CPU utilization to a more normal level. If you’re having trouble using kernel tasks, you may try reinstalling your system to acquire a new and clean setup. Other solutions for the most frequent issues may be found on our website. Users of Mac computers have their own category.

By Support

Our aim is to chase the future, innovations, and the latest trends of all things tech

Write Comment
Deprecated: File Theme without comments.php is deprecated since version 3.0.0 with no alternative available. Please include a comments.php template in your theme. in /home/firmsexplorer/public_html/wp-includes/functions.php on line 5613

Leave a Reply

Your email address will not be published. Required fields are marked *