


Press and hold the Command + Option + P + R keys shortly after you hear the starting sound.Shut it down again once OS X has loaded.Press the Power button to turn on the computer.Now, reset the SMC by simultaneously releasing all keys and the Power button.Press the Power button and the Shift + Control + Option keys simultaneously on the built-in keyboard.Connect your Mac to a power source through the MagSafe power adapter.However, some users can also experience the kernel_task when connecting an external monitor. Most likely, it’s an easily-solved problem that you should strive to resolve as soon as possible.Ī kernel_task hogging the CPU might have several different causes. The problem arises if your Mac’s CPU is overtaxed and you can’t get it back under control.
