Decreasing Screen Brightness; Increasing Screen Brightness; Turning Wireless Features On And Off; Muting And Restoring Speaker Sound - HP ProBook 5220m - Notebook PC User Manual

Decreasing screen brightness

Press fn+f7
incrementally.

Increasing screen brightness

Press fn+f8
incrementally.

Turning wireless features on and off

Press fn+f9
wireless connection.

Muting and restoring speaker sound

Press fn+f10

Decreasing speaker volume

Press fn+f11
incrementally.

Increasing speaker volume

Press fn+f12
incrementally.
38 Chapter 3 Pointing devices and keyboard
to decrease screen brightness. Hold down the hotkey to decrease the brightness level
to increase screen brightness. Hold down the hotkey to increase the brightness level
to turn the wireless feature on or off. Note that this hotkey cannot be used to establish a
to mute speaker sound. Press the hotkey again to restore speaker sound.
to decrease speaker volume. Hold down the hotkey to decrease speaker volume
to increase speaker volume. Hold down the hotkey to increase speaker volume