Lenovo ideapad 330-17IKB User Manual page 10

Chapter 1. Getting to know your computer
Mutes/unmutes the sound.
Decreases the volume
level.
Increases the volume level.
Enables/disables
microphone.
Refreshes page.
Enables/disables the touch
pad.
Note: If you changed the Hotkey Mode from Enabled to Disabled in the BIOS setup utility,
you will need to press the Fn key in combination with the appropriate hotkey.
4
Enables/disables airplane
mode.
Enables/disables camera.
Locks the LCD screen.
Enables the external
projector or dangles the
external display.
Decreases display
brightness.
Increases display
brightness.