HP ProBook 4446s Notebook-PC - Manual (Page 38)

Hot key combination Description
fn+f5 Initiates the QuickLock security feature. 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 Windows user password or a Windows administrator password is entered.
NOTE: Before you can use QuickLock, you must set a Windows user password or a Windows
administrator password. For instructions, see Help and Support. To access Help and Support, from
the Start screen, type help, and then select Help and Support.
fn+f6 Displays charge information for all installed batteries. The display indicates which batteries are
charging and reports the amount of charge remaining in each battery.
fn+f7 Mutes or restores speaker sound.
fn+f8 Decreases speaker volume.
fn+f9 Increases speaker volume.
fn+f10 Plays the previous track of an audio CD or the previous section of a DVD or a BD.
fn+f11 Plays, pauses, or resumes an audio CD, a DVD, or a BD.
fn+f12 Plays the next track of an audio CD or the next section of a DVD or a BD.
Using keypads
The computer includes an embedded numeric keypad or an integrated numeric keypad. The
computer also supports an optional external numeric keypad, or an optional external keyboard that
includes a numeric keypad.
28 Chapter 4 Pointing devices and keyboard