HP ProBook 4230s Notebook PC - Manual (Page 40)

Using video devices
Your computer may have one or more of the following external video ports:
● VGA
● HDMI
VGA
The external monitor port, or VGA port, is an analog display interface that connects an external VGA
display device such as an external VGA monitor or a VGA projector to the computer.
▲ To connect a VGA display device, connect the device cable to the external monitor port.
NOTE: Press fn+f4 to switch the image between the display devices connected to the
computer.
30 Chapter 5 Multimedia