You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Level 1

4 points

MacBook Pro high CPU intermittent

My Mac goes slow intermittently, have noticed kernel task takes 80%cpu and then my come down as well, which machine is not used

MacBook Pro 13″, OS X 10.10

Posted on Aug 19, 2020 7:47 PM

Top-ranking reply

Level 10

145,934 points

Posted on Aug 19, 2020 7:53 PM

Please attempt to capture a screenshot of Activity Monitor when it exhibits that behavior, and post it in a reply.

To learn how to capture, edit (if needed), and post a screenshot to this site please refer to the Appendix in Writing an effective Apple Support Communities Question - Apple Community.

Until then you may find the following Apple Support document applicable: If kernel_task is using a large percentage of your Mac CPU.

View in context

Similar questions