a high definition multimedia interface test system including an hdmi test device that includes a display , a microcontroller , first and second input ports , an output port , a first cable connector , a second cable connector , and a third cable connector . the hdmi test device couples to an external device and receives an hdmi signal from the external device via the first cable connector . the microcontroller receives the hdmi signal from the first input port and converts the signal to a video signal , wherein the display displays an image associated with the video signal . the microcontroller transmits a test hdmi signal to the third cable connector , receives the test signal from the second cable connector and compares the test signal transmitted to the third cable connector and the test signal received from the second cable connector to determine continuity of an hdmi cable coupled with the second and third cable connectors .