How do you unfreeze Mac OS X?

On your Mac’s keyboard, hit the Option, Command and Escape keys simultaneously (Alt + Command + Esc). The Force Quit dialog box appears with a list of running programs. Select the frozen app and then click Force Quit. The software will stop running and you’re free to re-launch it at this point.

Why is my Mac not responding?

If your system is not responding, or you can’t open any of the Force Quit menus, you can force the computer to reboot. … Press ⌘ Command + Ctrl + ⏏ Eject to force the computer to reboot. The ⏏ Eject key can be found in the upper-right corner of the keyboard. Newer MacBooks may not have an ⏏ Eject key.