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.

timpatka Author

Level 1

8 points

activity monitor

how interpret activity monitor to determine why iMac 2017 is very slow?

iMac

Posted on Nov 15, 2022 1:03 PM

Top-ranking reply

John Galt

Level 10

147,246 points

Posted on Nov 15, 2022 4:15 PM

One method I use is to select the CPU tab and sort by %CPU in descending order.

Activity Monitor User Guide for Mac - Apple Support

Another fundamental troubleshooting technique is to use "Safe Mode": How to use safe mode on your Mac - Apple Support. A Mac is not pleasant to use in that mode for very long, but it should not be objectionably slow.

View in context

activity monitor

Similar questions