Connecting a computerTo connect a computer, follow these steps:1. Connect the PC INPUT VGA port on the back of TV to the VGA output jack of device via D-sub 15-pin cable.2. Connect the PC INPUT Audio In jack on the back of TV to the audio output jack of computer with audio cable (3.5mm).Note. If you want to use your TV as a monitor, please notice that the maximum resolution for 40LA45RQ is !920"!080.Please set the computer graphic correctly.PC ConnectionThe picture below is an example of a connection using your TV as a PC monitor.The back of TVPC INPUTPCHow to Obtain Various Kinds of Input SourcesAfter connection is done, press INPUT button on remote control or TV top panel to choose the input source you need.See page 19, Basic Operation of TV.13