Using the hdmi port – HP ProBook 4720s Notebook-PC User Manual
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To connect a display device, connect the device cable to the external monitor port.
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.
Using the HDMI port
Select computer models include an HDMI (High Definition Multimedia Interface) port. The HDMI port
connects the computer to an optional video or audio device, such as a high-definition television, or any
compatible digital or audio component.
The computer can support one HDMI device connected to the HDMI port, while simultaneously
supporting an image on the computer display or any other supported external display.
NOTE:
To transmit video signals through the HDMI port, you need an HDMI cable (purchased
separately), available from most electronics retailers.
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Chapter 3 Multimedia