Ive got great problem.im trying to connect my computer to my 65h84 hdmi tv.i have the right cable. computer dvi to tv hdmi,30 ft.i have radeon x1050 256 mb.im using catalyst software.iam using vista premium.i selected hdmi on tv.but the tv's blank/black.the catalyst software detects both monitor and tv at right resolution..but no picture on tv. why?does the tv have to be on a certin channel?and help would be great thanks in advance. mike
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IF YOU HAVE A DVI CONECTER A BIG WHITE PLUG WITH MANY CONNECTERS YOU CAN BUY A HDMI -DVI ADAPTER BESIDE THE DVI CONNECTER YOU WILL HAVE INDICATION FOR DVI AUDIO YOU MUST PASS TWO AUDIO CABLES FOR SOUND
You probably need to get a composite video output card for your computer. Actually, I've seen many cards that have both a composite video output AND a DVI output port on 1 card. The DVI output will give you a noticeably sharper picture than composite video, but you need to check if your TV has a DVI or HDMI input. (If it was manufactured after 2000, it probably does.) If you TV was manufactured after 2006, it probably has 1 or more HDMI inputs instead of DVI. You can buy a DVI to HDMI converter cable. That takes care of the picture; to get sound to the TV, you will need to connect separate sound cables to your TV. Your computer needs to have a line-level output jack on it's sound card, and you will need to get an adapter cable (from Radio Shack) to convert the stereo mini-plug to 2 RCA type plugs to plug into your TV. And that should do it!
You are infact doing everything correct. More to the point and sad to say, it is the HDCP which is causing your problem. There are long drawn out explanations regarding upscaling and resolutions regarding your TV set, but to be brief, there is no proof that connecting via HDMI or DVI will actually produce any better a picture on your set than component cables. I have a sort of similar issue with my samsung 65 rear projection Tv and my PS3. The ps3 has HDMI out and my TV had DVI in, but it actually has a better picture without using those connections. I tired with an adapter for HDMI to DVI and it did work, but nothing of great quality that I had expected. With the right component cables and the correct set up on your TV, your picture should still look very sharp. I hope this helps and good luck.