Linked Questions

Typically, my kernel_task process uses 1-4% CPU and 100-700MB of memory. However, sometimes when I have the power adapter plugged in, the CPU usage jumps to around 500% (8 cores) and stays there until ...

This is a follow up to So my Yosemite install is slow - what to do? Since installing Yosemite a week or so ago my machine is very sluggish. I am a web developer so I change windows/apps a lot. ...

I have a Macbook Pro Retina with the following hardware: Model Name: MacBook Pro Model Identifier: MacBookPro11,1 Processor Name: Intel Core i5 Processor Speed: 2.4 GHz Number of Processors: 1 ...

I use Yosemite 10.10.4 on my MacBook Pro (2012). I used to work with an external monitor: Apple Thunderbolt 27" monitor. The issue is that, according to Activity Monitor, the kernel_task process ...

I'd just like to know what it is that kernel_task is responsible for. Also, what's an acceptable maximum RAM and CPU use for it?

I'm trying to solve the mystery of a crazy high cpu usage on kernel_task. MacBook Pro (Retina, Mid 2012), 2.7 GHz Intel Core i7, Yosemite 10.10.2 I saw some advice to download the Intel Power Gadget....

I just got a new MacBook Pro 2017 128GB no-touchbar, bought it in the refurb. I'm doing a bit of Photoshop ( I know it's not the best MBP, but I really need it right now for work ) and I have Safari (...

It's not a new problem, I'm facing it for sometime now. My MacBook runs fine all the time but this kernel_task issue occurs whenever it awakes from sleep. No issues with DisplaySleep. I can't put the ...

I have a MacBook Pro 16 inch base model. I am a programmer, which means that it is running hot when I am working. When I am working it is between 70-80 degrees celsius, but when I open activity ...

I have a Macbook Pro (Retina, Mid 2012) with the following configuration: 2.3 GHz Quad-Core Intel Core i7, 8 GB 1600 MHz DDR3, Intel HD Graphics 4000 1536 MB I use Dell P2419H as my external monitor ...

I'm having by time to time problems with my OS running really slow because the System uses a lot of CPU (it stays like this ~30min). I've checked different articles on the internet in regard to this ...

The Problem Since I got my new Macbook Air 2020 (with i5 Upgrade), I encounter a strange and annoying problem every day: The MacBook suddenly looses connection to my USB devices. Namely my external ...

i've tried to debug this for a couple days straight now and can't find out what's causing the kernel_task to go so unruly. i've removed nearly all my third party kexts, done so many etrepro's, and i'...

Hi I have this Macbook Pro 2018 15inch baseline model. Recently I purchased a 4k LG monitor and I plan to connect it with this MBP together with my older screen which is a Dell 2k monitor. The setup ...

This is in reference to the answer posted at How to find cause of high kernel_task cpu usage? which suggests that you should move your charging to the right side thunderbolt. However, based on the ...