HP ProBook 4435s Notebook-PC - Manual (Page 35)

Hotkey 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 an operating system user password or a operating system administrator password is
entered.
NOTE: Before you can use QuickLock, you must set an operating system user password or an
operating system administrator password. For instructions, refer to Help.
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, depending
on the model. The computer also supports an optional external numeric keypad or an optional
external keyboard that includes a numeric keypad.
Using the keyboard 25