Switching The Screen Image; Viewing Battery Charge Information; Decreasing Screen Brightness; Increasing Screen Brightness - HP EliteBook 8440P User Manual

When Sleep is initiated, your information is stored in system memory, the screen is cleared, and power
is conserved. While the computer is in the Sleep state, the power lights blink.
The computer must be on before you can initiate Sleep.
NOTE: If a critical battery level occurs while the computer is in the Sleep state, the computer initiates
Hibernation and the information stored in memory is saved to the hard drive. The factory setting for
critical battery action is Hibernate, but this setting can be changed using Power Options in Windows
Control Panel.
To exit Sleep, briefly press the power button or press any key on the keyboard.
The function of the
Hibernation instead of Sleep.
NOTE: In all Windows operating system windows, references to the sleep button apply to the
hotkey.

Switching the screen image

Press fn+f4
if a monitor is connected to the computer, pressing
display to monitor display to simultaneous display on both the computer and the monitor.
Most external monitors receive video information from the computer using the external VGA video
standard. The
from the computer.
The following video transmission types, with examples of devices that use them, are supported by the
fn+f4 hotkey:
●
LCD (computer display)
●
External VGA (most external monitors)
●
DisplayPort

Viewing battery charge information

Press fn+f8 to display charge information for all installed batteries. The display indicates which batteries
are charging and reports the amount of charge remaining in each battery.

Decreasing screen brightness

Press fn+f9
incrementally.

Increasing screen brightness

Press fn+f10
incrementally.

Activating the ambient light sensor

Press fn+f11
fn+f3 hotkey can be changed. For example, you can set the
to switch the screen image among display devices connected to the system. For example,
fn+f4 hotkey can also alternate images among other devices receiving video information
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 activate and deactivate the ambient light sensor.
fn+f4 alternates the screen image from computer
fn+f3 hotkey to initiate
fn+f3
Using the keyboard 35