HP EliteBook 840 G3 - Manual (Page 39)

NOTE: Depending on the country or region, your keyboard may have different keys and keyboard functions
than those discussed in this section.
Using Windows shortcut keys
Windows provides shortcuts so that you can perform actions quickly. Press the Windows key alone or in
combination with a specific key to perform a designated action.
Identifying the hot keys
A hot key is a combination of the fn key (2) and either the esc key (1) or one of the function keys (4).
To use a hot key:
▲ Briefly press the fn key, and then briefly press the second key of the hot key combination.
Hot key combination Description
fn + esc Displays system information.
fn + f1 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 + f3 Turns the keyboard backlight on and off.
NOTE: The keyboard backlight is turned on at the factory. To extend battery life, turn off the keyboard
backlight.
fn + f4 Switches the screen image among display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing 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 hot key can also alternate images among other devices that are receiving video information on
the computer.
fn + f5 Decreases the screen brightness level.
Using the keyboard 29