HP EliteBook 2570p Notebook PC - Manual (Page 38)

Hot key combination Description
fn + esc Displays system information.
fn + f3 Initiates Sleep, which saves your information in system memory. The display and other system
components turn off and power is conserved.
To exit Sleep, briefly press the power button.
CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.
fn + f4 Switches the screen image among display devices connected to the system. For example, if a
monitor is connected to the computer,
fn + f4 alternates the screen image from computer display to
monitor display to simultaneous display on both the computer and the monitor.
Most external monitors receive video information on the computer using the external VGA video
standard. The
fn + f4 hotkey can also alternate images among other devices that are receiving video
information on the computer.
fn + f6 Decreases speaker volume.
fn + f7 Increases speaker volume.
fn + f8 Launches HP Power Assistant. 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 + f9 Decreases the screen brightness level.
fn + f10 Increases the screen brightness level.
Using keypads
The computer includes an embedded 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