In the earlier tutorial, we had seen the steps required to kill non responding applications on Mac. But when you do not see the application in “Force Quit” screen then you can use Activity Monitor kill the processes. Activity Monitor is a Mac tool which is equivalent to Task Manager on Windows.
Terminate processes using Activity Monitor
Mac users can launch Activity Monitor using Spotlight search.
Activity Monitor has tabs displaying information for each categories such as CPU, Memory, Energy, Disk and Network. Use the CPU tab to locate the Non Responding process on Mac OS X.
In the above screen, you will notice that there are more than one task in Not Responding state (highlighted in red colour). Now select the process that you want to terminate and click “Force a process to quit” option on menu bar.
This should display the following prompt “Are you sure you want to quit this process?” asking for your confirmation. Click Quit or Force Quit button to continue terminating the process.