If catalyst freezes you should not have to reboot.
Instead OSX can normally force quit any application.
Hold down apple-option-esc:
This should bring up the force quit dialog.
Choose Catalyst and press 'Force Quit'
If catalyst freezes you should not have to reboot.
Instead OSX can normally force quit any application.
Hold down apple-option-esc:
This should bring up the force quit dialog.
Choose Catalyst and press 'Force Quit'