Problem with Kernel Task - El Capitan

Kernel task

Malacaih,

I've had kernel_task issues with several different OS versions - Mountain Lion, Yosemite and now El Capitan.

For me, kernel_task most frequently misbehaves when my MacBook Pro 8,2 is connected to external devices - an external monitor, something plugged into the audio out (headphone jack), etc.

Try using the computer standalone - starting the computer with all external devices disconnected - and see if that resolves kernel_task swallowing up all your CPU cycles. If so, connect one external device, reboot, launch Activity Monitor and observe. Disconnect, shut down, and connect a different (and only one) external device, and lather, rinse, repeat. Essentially, try to identify which external device is pulling the trigger on kernel_task. Depending on what you observe, there may be specific (or more global) solutions available to you.

Hope this helps some.

This is what my machine was doing, Kernel Task was using 900%(?) processor with nothing connected to my 2011 MBP. I first had this issue with Yosemite too, and this fixed it.

Hello there,

I have an iMac12,2 (model identifier) - which I removed according to the instructions.

But didn't do the trick unfortunately.

I have an iMAC 27-inch running El Capitan.

Ever since I have upgraded my memory has been eaten up by kernel_task. Right now it is at 1.25GB

Is there something else I could try? 🙂

The iMac12_2.plist file has been removed from that folder --- actually this solution did work for me before I upgraded but NOW

kernel_task is sticking around and my Mac is slooooow...

Thank you in advance for your advice

Chaba

Same here. I'm only able to copy it to another folder. It still remains. Reeeeeeally frustrated!

yeah been having kernal problem since Yosemite too, I have a late 2011 MBPro. I now carry my power adapter with me all the time. Seem silly but that the only way my laptop wont slow down. I was thinking of buying a new macbook pro laptop since this one was getting outdated but I done with apple laptop now. my next buy will for sure be a window book or surface pro.

Follow my instructions on booting into recovery mode and disabling file protection.

Did the solution I posted not work for you?

I have a MacBookPro11,3. Unfortunately this identifier does not exist in the Ressources folder.

The highest number is MacBookPro8_3.

What should I do?

Where can your solution be found?

thanks

Click on Go to original post, read This solved my issue...

I'm working on a 2013 iMac that was brought to my office because the fan is always at its maximum speed. Initially I thought it was just a problem with the fan, but before ordering a new one I noticed that the Kernal Task is Shreking the CPU. I tried your fix for the issue, but terminal replies "command not found". (I'm stuck at step 0). Any help would be greatly appreciated.

http://www.howtogeek.com/230424/how-to-disable-system-integrity-protection-on-a- mac-and-why-you-shouldnt/

Thanks! I'm so close now, but there's one more problem.
My system report says "iMac14,1" which is nowhere to be found in the resources folder of the path you specified. There's a list of very similar ones, such as "iMac12,2" but no iMac14,1

If deleting the file that relates to your machine doesn't hurt anything, I can't see how deleting the rest would either. Just copy that entire kext to your desktop or somewhere, then delete it from the system folder.

ps This stopped the kernel task issue, but my fans have been running full blast since the Yosemite update - AHT shows a faulty temp sensor, but I can't find to which one the error code corresponds.