Lenovo IdeaPad Y550P User Manual page 21

Chapter 2. Using Your Computer
The following describes the features of each function key.
Fn + Esc: Turn on/off the integrated camera.
Fn + F1: Put your computer in sleep mode.
Fn + F2: Turn on/off the LCD screen.
Fn + F3: Shift to other connected display devices.
Fn + F4: Open the interface for display resolution settings.
Fn + F5: Open the interface for integrated wireless devices settings
(enable/disable).
Fn + F6: Enable/disable the touch pad.
Fn + F8: Enable/disable the numeric keypad.
Fn + F9: Activate the pause function.
Fn + F10: Activate the break function.
Fn + F11: Enable/disable Scroll Lock.
Fn + F12: Turn on/off the insert input.
Fn + PrtSc: System request.
Fn + up/down arrow: Increase/decrease display brightness.
Fn + right/left arrow: Increase/decrease sound volume.
13