Hi, So here is my problem. I recently purchased a new PC with DVI out. I have 47" Vizio LCD. I purchased a cable that is DVI to HDMI. I know DVI does not have sound, but thats ok the HDMI input to the TV has a rca audio input. So i bought a 3.5mm audio out to RCA cable for my computer so i can plug a rca audio cable directly to the tv from my PC, but there is no sound. I dont know what im missing or im doing something wrong. When i used my RGB 15pin cable and connect it to the TV it works. I just plug the 3.5mm audio cable to the tv and there is sound. I would rather used the dvi output rather than the rgb bc quality i notice is alot better. Anyone who has this problem or know how to resolve this please let me know. I also have a receiver if i can plug the rca to that please let me know. Appreciate all helps!