My Macbook Pro started acting very strange from one day to another. I started researching a bit and found someone who suggested that i might have high processor utilization. I checked my Activity Monitor and saw that under the tab "CPU" the "%Idle" numbers were very low but i couldn't see which app was causing it. What can i do about this? I do not know a lot about computers so any kind of help is appreciated!
Your system processes are 81.46%. In the overview, in the top bar of the window, you selected "My Processes". If you change that to "All" you'll see which process is taking up all your CPU power.