In order for this cable to work, the markings on your TV must be R, G, B. You will have to look closely to read this or find it in your TV manual. If it is Pr,Y,Pb it will not work. You will find these markings next to the red, green and blue connectors on the back of your TV. Remember, they must be marked R,G,B.While we will be happy to refund the cost of this cable if it doesn't work for you and is returned to us, we will not refund the initial shipping cost or the shipping cost to return the cable. Thank your for your understanding.