Changing the Sound Output Device If there is no sound coming from an external device connected to your VAIO computer, you need to change the device for sound output.
Selecting Display Modes You can switch the display output between the computer screen and an external display connected to your VAIO computer.
Connecting an External Display or Projector You can connect an external display (such as a computer display or a projector) to your VAIO computer with a display cable (not supplied).