Lenovo U450 Laptop Lenovo IdeaPad U450 User Guide V1.0 - Page 33
Learning the basics, Fn + Esc, Fn + F1, Enable/Disable the Scroll Lock.
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Chapter 2. Learning the basics The following describes the features of each function key. Fn + Esc: Turn on/off the integrated camera. Fn + F1: Enter 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 touchpad. Fn + F8: Enable/Disable the numeric keypad. Fn + F9: Activate the pause function. Fn + F10: Activate the break function. Fn + F11: Enable/Disable the Scroll Lock. Fn + F12: Activate the insert function. Fn + PrtSc: Activate the system request. Fn + Ė/Ę: Increase/Decrease display brightness. Fn + ĕ / ė : Decrease/Increase volume level. 19