Initiating Quicklock (Fn+F6); Decreasing Screen Brightness (Fn+F7); Increasing Screen Brightness (Fn+F8); Muting Speaker Sound (Fn+F9) - HP 4510s - ProBook - Celeron 1.8 GHz User Manual

Initiating QuickLock (fn+f6)

Press fn+f6
QuickLock protects your information by displaying the operating system Log On window. While the Log
On window is displayed, the computer cannot be accessed until a user password or an administrator
password is entered.
NOTE: Before you can use QuickLock, you must set a user password or an administrator password.
To use QuickLock, press
instructions on the screen to enter your user password or the administrator password and access the
computer.

Decreasing screen brightness (fn+f7)

Press fn+f7
incrementally.

Increasing screen brightness (fn+f8)

Press fn+f8
incrementally.

Muting speaker sound (fn+f9)

Press fn+f9

Decreasing speaker sound (fn+f11)

Press fn+f11
incrementally.

Increasing speaker sound (fn+f12)

Press fn+f12
incrementally.
6 Chapter 2 Using the keyboard
to initiate the QuickLock security feature.
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