Kernelmanagerd trying to load non-existent files

Question

Kernelmanagerd trying to load non-existent files

Recently i update my MacBook Air (Mid 2013) to Big Sur and i saw in that kernelmanagerd task was taking up to 200% of my CPU. On the internet i read that is often caused by anti-virus softwares, so i uninstalled Malwerbytes and the kext file in the extension folder. After restarting my PC the task went up to 50%, so i checked the console for any errors and i saw this task keeps to load non-existent files (expecially kext files). Obviously this compromises the battery life by a lot. I was wondering if there was any way to stop this not ending loading by this task other than forcing to kill the task.

MacBook Air 13″, macOS 11.1

Posted on Dec 18, 2020 5:37 AM

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Answer 1

Joseph_S.

Community Specialist

Dec 21, 2020 2:10 PM in response to SimoneSartori

Hi SimoneSartori,

We're glad you've come to Apple Support Communities for help with your MacBook Air and this issue you're experiencing. We'd love to help in any way we can.

You've completed some helpful troubleshooting steps thus far, so we'll point you in the right direction.

Have you had an opportunity to test your login items by starting up in safe mode? If not, let's do so now. The following guide explains how to test in safe mode:

How to use safe mode on your Mac

If the issue isn't occurring in safe mode, but returns after restarting your Mac and logging back in normally, you'll want to test your login items using the steps in this guide:

Remove login items to resolve startup problems on your Mac

Let us know how it goes at that point. We're here for you if you've got any questions.

Have a great day.

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Kernelmanagerd trying to load non-existent files

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