User's Guide

Hotkey Function
Switch display devices.
Increase/Decrease brightness of the screen.
Turn on/off or adjust the brightness of the keyboard backlight.
Note: This hotkey must be used with the Fn key.
Hotkey mode
Some hotkeys share keys with functions keys (F1 to F12). The hotkey mode is a UEFI/BIOS setting that
changes how hotkeys (or function keys) are used.
Hotkey mode
setting
How to use hotkeys How to use function keys
Disabled Hold down the Fn key and press one of the
hotkeys
Press the function keys directly
Enabled Press the hotkeys directly Hold down the Fn key and press one of the
function keys
Note: Hotkeys that do not share keys with function keys are not affected by the hotkey mode setting. They
should always be used with the Fn key.
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Lenovo IdeaPad S940-14IWL User Guide