Reference
Combinations and Functions with the Fn Key
Press and hold down the Fn key and another key simultaneously to perform a keyboard shortcut action.
For example, to adjust the LCD brightness: Fn+F5 → Press and hold down the Fn key, then press the F5 key.
Some keyboard functions can only be used while Windows is running.
Fn +
/
(F5/F6)
Press the button repeatedly to adjust the LCD brightness of your computer screen. [Details]
To decrease lighting intensity, press the Fn+F5 keys.
To increase lighting intensity, press the Fn+F6 keys.
Fn + Scr Lk (Scroll Lock)
Works differently depending on the apps you use. Refer to the help file included with the app for more information.
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For information on shortcut keys combined with the
(Window) key, etc., refer to Windows Help and Support. [Details]