Some Macintosh OS users have reported that they cannot record their screen. Below is a guide that might be helpful.
Step 1: Go to ‘System Preferences’ on your device.
Step 2: Now that the application is open. Navigate towards ‘Security & Privacy’.
Step 3: Once you’ve opened up ‘Security & Privacy’, select ‘Privacy’ in the task bar.
Step 4: On the left-hand side, scroll down and select ‘Screen Recording’.
Step 5: Turn on capability for ‘zoom.us’. A pop-up may appear requesting your password to allow these changes.