Volume can also be adjusted within some programs.
Using the video features
Using the external monitor port
The external monitor port connects an external display device, such as an external monitor or a projector, to the computer.
▲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.
4 Chapter 1 Using multimedia hardware