The invention provides an image display device, a method for indicating connector, and a connector. The invention can easily determine if the connection of the cable for the connector is presented or not in an image. A television receiver comprises a plurality of connectors, such as an HDMI connector, etc. Each connector is provided with cable detecting function for detecting if the cable is connected or not. When the selection is input from outside, connector display for indicating the connectors is displayed on the image of a display panel. A control unit changes the mode for indicating the connector display of each connector according to the detection result that if the connection of the cable for the connector is presented or not and the judgement result that if the connection of equipment for effective conditions of the HDMI connector is presented or not. The user can easily determine if the connection of the cable for the connector is presented or not and if the connection of the equipment for the effective conditions of the HDMI connector is presented or not in the image, so as to improve the operability of the selection input from outside.