What does pressing F11 on startup do?
Pressing F11 by itself accesses the hidden recovery partition on eMachines, Gateway, and Lenovo computers. With macOS 10.4 or later, hides all open windows and shows the desktop. What does F11 do when booting? Use this option to control whether you can press the F11 key to boot directly to the One-Time Boot Menu during the current boot. This option …