HP EliteBook 8540w Mobile Workstation - Manual (Page 64)

▲ To connect a digital display device, connect the device cable to the DisplayPort.
NOTE: If a properly connected external display device does not display an image, press fn+f4 to
transfer the image to the device. Repeatedly pressing fn+f4 alternates the screen image between
the computer display and the device.
▲ To disconnect a digital display device, press the release button.
Using the DreamColor display (select models only)
Computer models with the HP DreamColor display include the preinstalled HP Mobile Display Assistant
software. You can use this program to adjust display color settings such as preset color space, white
point/color temperature, and luminance/brightness.
▲ To access Mobile Display Assistant, click the Mobile Display Assistant icon in the notification area,
at the far right of the taskbar, or select Start > All Programs > HP > Mobile Display Assistant.
For more information on using Mobile Display Assistant, refer to the software Help.
52 Chapter 4 Multimedia