If the computer uses a HDMI port, that is the suggested connection type. If HDMI is not available, the computer should have a VGA port that can connect to the VGA connection on the TV.
When I choose cable and the searching process starts, it only returns with audio channels, but no video at all. DVD works fine but I can't make the channel searching work.
Why after 7 months the picture does not come on but sound works? The picture does flash on on and off but goes out, sounds work great. Can not get menu to appear to check anything. What kind of warranty does this 20" insignia have?
If you cannot pull up the TV menu, that would indicate a hardware failure. This model of TV comes with a one year manufacturer warranty. You can take this model of TV into Best Buy to the Geek Squad counter with your receipt for warranty evaluation.