How to fix Kernel_task high memory macOS

How to fix Kernel_task high memory macOS. Kernel_Task on Mac? Just because it’s Mac doesn’t mean it doesn’t have problems. It’s never fun when your computer starts running slow, but it’s even worse when you can’t find the reason why it’s so slow. If you were off all the program that you can and all the stuff on your Mac, you still feel as if it’s going through the bile, which could be a sign of the dreaded kernel_task. high CPU usage. On your Mac, kernel_task is the name given to many of the low-level functions that enable the rest of the computer’s operations. This condition is find out of the range is what may be a very hard. Below are possible fixes for this.

How to fix Kernel_task high memory macOS
How to fix Kernel_task high memory macOS

What is Kernel_Task on Mac?

Kernel_task is a native process in macOS. It deals with the kernel, the deepest level of programming that makes the Mac’s software and hardware work. 

Kernel_task handles a variety of background functions needed on a MacBook Pro, MacBook Air, iMac , or Mac Mini, such as allocating system resources (CPU and RAM) between system programs and services. 

What is Kernel_Task on Mac?
What is Kernel_Task on Mac?

But most importantly, it plays an important role in temperature management. That’s when high kernel_task activity comes into the picture.

Why does Kernel_Task consume CPU?

Macs can get hot for any number of reasons. For example, performing a resource-intensive operation (such as editing or exporting a video at super resolution) almost always causes a spike in CPU temperatures. Rendering CPU-heavy web elements, using inefficient plugins in Chrome or Safari, or playing Adobe Flash-related content can also heat things up.

When that happens, kernel_task will kick in and stop processes from using more processing power and generating even more heat. It does so by simulating empty CPU cycles.

Why does Kernel_Task consume CPU?
Why does Kernel_Task consume CPU?

Is Kernel_task high memory macOS a concern?

Most of the time, high kernel_task activity is not a cause for concern. In short, if you are constantly engaged in resource-intensive tasks, kernel_task CPU usage is high on a Mac. It’s just routine maintenance to prevent the Mac’s internals from being damaged by extreme heat.

But if you regularly notice kernel_task using CPU power for no apparent reason, you may have a problem. For example, unoptimized apps, outdated apps, system caches, and buggy kernel extensions can heat up your Mac without any commensurate performance boost.

How to check RAM usage on Mac

To check your RAM usage on any Mac, do the following:

Step 1: Open Activity Tracker from your apps list. You can do this in your Mac’s control center, through the Finder in the Dock, or by pressing Command + Space and typing Activity Monitor in Spotlight.

Step 2: Switch to the Memory pane in the Activity Monitor window.

Display of Ram usage on Mac

As you can see in the screenshot above, Activity Monitor shows you all the processes, subprocesses, and how much memory each process is taking up. The most relevant part of the window is the bottom part, where it shows you the total memory usage and how it affects your Mac.

How to fix the kernel_task high CPU usage issue

To fix persistently high kernel_task activity, you must address any underlying reasons contributing to the extra heat on your Mac. The troubleshooting tips below will help you fix Kernel_task high memory macOS.

Force quit the app

Start by identifying CPU-intensive non-kernel_task processes using Mac Activity Monitor. Hint — select the CPU column  to sort processes by activity. 

If a CPU-intensive process appears to be part of a typical operation (e.g. video output), wait for the process to finish. If not, close or force quit the process by selecting the Stop button at the top of the Activity Monitor window.

Force quit the app
Force quit the app

Shut down and restart

Another fix involves restarting the Mac. It’s a quick way to get rid of any rogue processes that are contributing to kernel_task crashes.

Update app

Next, try updating your Mac apps to fix the kernel_task high CPU usage issue. It’s best to focus your attention on any programs that increase your Mac’s CPU load.

Start by opening your Mac’s App Store and looking under the Updates tab in the sidebar for any pending app updates.

For programs you download outside of the Mac App Store, look for the Check for Updates option within the app itself.

Update macOS

Faulty versions of macOS (especially early releases of major version upgrades) can lead to memory leaks and overheating issues. So update the OS and see if that makes a difference. 

To update macOS, open the Apple menu from the left side of your Mac’s menu bar and choose System Preferences  >  Software Update  >  Update Now.

Update macOS
Update macOS

Use Mac in a cooler environment

If you’re using your Mac outdoors or in hot weather, the outside temperatures can cause your Mac to heat up and trigger kernel_task into high gear. Try moving the device to a cooler or well-ventilated area.

Reset NVRAM or PRAM

If you have an Intel Mac , you can try resetting the NVRAM or PRAM. It’s a small piece of volatile memory that holds important system settings (e.g. screen resolution, boot disk options, date, time zone, etc.). Corrupt NVRAM can lead to all kinds of problems, so resetting it can fix kernel problems.

To reset NVRAM, start by shutting down your Mac. Then turn it back on while holding down the Command, Option, P and R keys. Release when you hear the boot chime for the second time. If you use a Mac with an Apple T2 Security Chip, release the keys after 20 seconds.

Reset NVRAM or PRAM
Reset NVRAM or PRAM

Reset SMC

In addition to NVRAM, you may want to take the extra step and reset the SMC (system management controller) on Mac to fix Kernel_task high memory macOS. 

Clear your Mac’s cache

Outdated or corrupted temporary files can also cause performance issues in macOS, so the next fix involves clearing apps and system caches. 

Use the free Onyx app to clear your Mac’s cache quickly. Check out our guide on how to clear your Mac’s cache if you prefer the manual approach.

 
Clear your Mac's cache
Clear your Mac’s cache

Enter & Exit Safe Mode

Entering and exiting Safe Mode on Mac clears the kernel cache. To enter Safe Mode on an Intel Mac, simply hold  down the Shift key  at startup until you see the login screen. 

If you use an Apple Silicon Mac, turn it on while holding the  Power button  . When you get to the Boot Options screen, hold  down Shift  and choose  Macintosh HD  >  Continue in Safe Mode  .

Enter & Exit Safe Mode
Enter & Exit Safe Mode

Run Malware Scan

Macs are well known for being resistant to malware, but that doesn’t mean they’re completely immune. To scan and remove malicious processes and rootkits on Mac, consider running a malware scan with a free anti-malware utility. Malwarebytes is a great choice to ffix Kernel_task high memory macOS.

Remove Kernel Extensions

Finally, you may want to take the time to identify and disable any third-party kernel extensions (or kexts). Kexts extend the default functionality of the Mac kernel, but they can also lead to high kernel_task activity or kernel panic failures.

You can use a free diagnostic utility called  EtreCheckPro  to scan and review the list of installed kernel extensions. Then you have to uninstall related programs to get rid of kexts.

Remove Kernel Extensions
Remove Kernel Extensions

Hopefully, this guide has helped you understand the kernel_task process on Mac and what you can do to resolve the high CPU usage of kernel_task. If the problem persists, you may want to reinstall macOS through Recovery Mode ti fix Kernel_task high memory macOS. If that fails, the problem may be hardware related. In that case, contact Apple Support for help.

Hope this article helps you fix Kernel_task high memory macOS! Visit Macwintips.com to update the most practical and useful tips for Mac and Windows.