Decreasing Screen Brightness; Increasing Screen Brightness; Muting Speaker Sound; Decreasing Speaker Sound - HP ProBook 5320m - Notebook PC User Manual

NOTE: Before you can use QuickLock, you must set a Windows user password or a Windows
administrator password. For instructions, refer to Help and Support.
To use QuickLock, press
instructions on the screen to enter your Windows user password or your Windows administrator
password and access the computer.

Decreasing screen brightness

Press fn+f7
incrementally.

Increasing screen brightness

Press fn+f8
incrementally.

Muting speaker sound

Press fn+f9

Decreasing speaker sound

Press fn+f11
incrementally.

Increasing speaker sound

Press fn+f12
incrementally.
34 Chapter 3 Pointing devices and keyboard
fn+f6 to display the Log On window and lock the computer. Then follow the
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 mute speaker sound. Press the hotkey again to restore speaker sound.
to decrease speaker sound. Hold down the hotkey to decrease speaker sound
to increase speaker sound. Hold down the hotkey to increase speaker sound