Hoping someone can help me. I passed down my old MacBook Pro 2015 to my son about 2 years ago. Since yesterday, he has been having a problem with everything be super sluggish. He looked at the Activity Monitor and noticed “Kernel_Task” is utilizing an extremely high amount of CPU.
We searched possible causes and possible fixes but nothing seems to be working. He upgraded to Monterey. We booted up in Safe Mode - experienced the same issue. We tried resetting System Management Controller (SMC) and Non-Volatile Random Access Memory (NVRAM) - no help.
I read that it’s possibly a hardware issue as well, but don’t know how to troubleshoot a potential hardware issue. Was thinking of backing up with Time Machine and resetting the machine, but figured after restoring from a backup it will probably re-introduce the issue.
Machine doesn’t have Apple Care anymore so I’m worried Apple will charge a fortune to look at it and repair.
Kernal_Task is usually heat related - either something else is heavily loading the Mac, or the cooling is not right.
Have you had the bottom off and given it a (careful) hoover out? Fans and vents can get clogged with dust. While you’re in there check the battery isn’t swollen. This can generate heat too.
I have the same 2015 MBP. These are my current stats. It used to run much hotter, as my battery was failing and swollen. Now runs great with a new one.
I stopped at the Apple Store yesterday for an issue with my other son’s AirPod Pros. While there, I asked about the MacBook Pro. Was advised to bring it in and the will run diagnostics and clean it out for free even without having Apple Care on the machine anymore. If there is a hardware issue, they will advise me of that and the cost if I want to go ahead and have them do the repair.
At the very least, gonna bring it in to them for the diagnostics and cleaning. Hopefully they will be able to tell me if it’s a hardware issue then will decide from there what to do.