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Question: kernel_task triggers when I connect the power adapter

Hi,


I have a problem with my Retina MBP, when I connect the power adapter, kernel_task starts to consume between 200% and 300% of CPU.


I have tried with:


  • Reinstall the OS: without success
  • Reset SMC: without success
  • Safe boot: without success
  • Create another user profile: without success
  • NVRAM reset: it works partially, because when I stop using my MBP around 5-10 minutes, kernel_task returns to consume 200% - 300% of CPU (this does not happen if I disconnect the power adapter)


PD: Apple hardware test shows no error.


I hope you can help me, thank you very much!


Screenshot when i connect the power adapter.

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MacBook Pro with Retina display, macOS High Sierra (10.13), mid-2014

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Question: kernel_task triggers when I connect the power adapter