This is a RGB component cable, not YPbPr component cable. It will NOT convert a VGA signal output from a PC/Laptop into YPbPr component input on HDTVs. It's usually used to connect a PC/Laptop to a projector/TV with RGB component inputs. This cable is only for video signals only, it does not transfer audio. Specific TV-out feature on video card is required, please check with your video card output specification for compatibility.