Know how to fix kernel_task CPU usage issue on your MacBook.
What is kernel_task?
kernel_task manages the temperature of your CPU which limits its resources to applications that is using it intensively. The CPU usage will decrease as soon as kernel_task reduces its activity.
Why did it happen?
- The CPU fan is dirty, dusty or the exhaust is blocked.
Have a compressed air blown on air vents to clean out your fans.
- You work on a hot environment.
Use your Mac in a cool and well-ventilated area.
What should I do next?
- Quit all open windows and applications open in the background.
- Remove all external connections.
- Reboot your computer.
Reset SMC and NVRAM
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