If restarting your Mac does not fix the problem, the next thing you may do is clean your Mac. Lastly, press the CTRL + CMD + Eject combo. The second option involves pressing the Apple key and then clicking Restart. There might be lots of active processes that your RAM might no longer be able to accommodate. Oftentimes, the problem can be fixed by simply restarting your Mac. Read on below to explore some possible fixes. And the good news is that you can do that on your own. So, have you just updated to Catalina, only to see your Logitech mouse stop working? Are you scared that you might be victimized by a MouseJack attack? Don’t worry because there are ways to resolve the problem. What to Do When Your Logitech Mouse Stopped Working with Catalina? About Outbyte, uninstall instructions, EULA, Privacy Policy.