Decreasing screen brightness, Increasing screen brightness, Turning wireless features on and off – HP ProBook 5220m Notebook PC User Manual
Page 50: Muting and restoring speaker sound, Decreasing speaker volume, Increasing speaker volume
Decreasing screen brightness
Press
fn+f7
to decrease screen brightness. Hold down the hotkey to decrease the brightness level
incrementally.
Increasing screen brightness
Press
fn+f8
to increase screen brightness. Hold down the hotkey to increase the brightness level
incrementally.
Turning wireless features on and off
Press
fn+f9
to turn the wireless feature on or off. Note that this hotkey cannot be used to establish a
wireless connection.
Muting and restoring speaker sound
Press
fn+f10
to mute speaker sound. Press the hotkey again to restore speaker sound.
Decreasing speaker volume
Press
fn+f11
to decrease speaker volume. Hold down the hotkey to decrease speaker volume
incrementally.
Increasing speaker volume
Press
fn+f12
to increase speaker volume. Hold down the hotkey to increase speaker volume
incrementally.
38
Chapter 3 Pointing devices and keyboard