This worked 90% of the time for us, if it does not solve your issues, the the next step is to update the Logi

Your Mx Master 3 mouse will now work properly!.

Run the Logitech options software by holding CMD + spacebar again, and typing in “Logi options”.

Click the Logi Options software and select the X button at the top of the screen.

Select “ Log options daemon” using the search feature in the top right of the activity monitor.

Once Activity monitor is opened, locate the CPU tab at the top.

Open up activity monitor by holding CMD + spacebar and typing “Activity monitor”.Here are the steps for fixing a Logitech Mx Master 3 mouse by resetting the task via activity monitor: As a result, the Logi options running in the background will be completely reset and you will be able to fix your mouse. You can finally fix your MX Master 3 mouse by terminating the Logi options Daemon task from activity monitor. Putting an end to the Logi Options Daemon process fixes the problem 9 out of 10 times. After switching to an M1 Mac, my Logitech MX Master 3 stopped scrolling and sometimes wouldn’t let me use additional features or buttons.

Set up logitech mouse mac