zoot56 Posted December 18, 2011 ID:506143 Share Posted December 18, 2011 I can't figure out what I'm doing wrong. I have an LCD TV I want to hook up to my desktop pc via an HDMI cable. I hook it up and go to the control panel, display, settings, but the computer is not showing anything other than the existing monitor. It is not showing anything in the NVIDIA control panel either. I tried rebooting but nothing is detected. I have the latest drivers. Is there something else I'm missing here? Link to post Share on other sites More sharing options...
exile360 Posted December 18, 2011 ID:506148 Share Posted December 18, 2011 Do you have your TV set to HDMI for the input? That might be necessary for the PC to detect the TV. Link to post Share on other sites More sharing options...
rgabbard Posted December 18, 2011 ID:506256 Share Posted December 18, 2011 What OS and what graphics card are you running? Also how many output are you using excluding the TV? Link to post Share on other sites More sharing options...
zoot56 Posted December 18, 2011 Author ID:506265 Share Posted December 18, 2011 The tv has 2 hdmi channels. The first is hooked up to our xbox and works fine. The second one tries to retrieve data but comes back with no signal. I'm running on Windows XP with a GeForce 9600 GT. I have one monitor using DVI and have speakers in the audio outputs. Link to post Share on other sites More sharing options...
fivealive Posted December 18, 2011 ID:506294 Share Posted December 18, 2011 hmm well we have a tv hooked up to one of are computers in the house its a vga port its using thoughmy suggestion try using the port the xbox is using it could be a damaged port on the tv or even the cordnever know also of note you might want to try using a different plug if you can maybe your tv has vga or something try that Link to post Share on other sites More sharing options...
rgabbard Posted December 18, 2011 ID:506300 Share Posted December 18, 2011 How many DVI and HDMI outputs does the graphics card have? It's possible that if there are two DVI outputs and one HDMI output that one DVI is is disabled if the HDMI port is in use and vise versa. Link to post Share on other sites More sharing options...
zoot56 Posted December 19, 2011 Author ID:506328 Share Posted December 19, 2011 I tried the other port the xbox is using since it was working but I got the same results as port #2, "no signal". I had the same thought and I did try using only the HDMI output without the monitor hooked up but the TV still never picked up a signal. I'm looking at the back of the computer and I see one HDMI port near the top of the motherboard with the keyboard, mouse and printer inputs and then there's two DVI ports near the bottom where the graphics card is. Link to post Share on other sites More sharing options...
exile360 Posted December 19, 2011 ID:506350 Share Posted December 19, 2011 You need to use a DVI to HDMI adapter, the HDMI port on the back of your PC is for your onboard graphics chip, which will be disabled because you have a dedicated video card. You need to connect the TV to one of the DVI ports (hence the need for the adapter). Link to post Share on other sites More sharing options...
zoot56 Posted December 19, 2011 Author ID:506398 Share Posted December 19, 2011 I was afraid of that. Will I still get sound if I have to go thru the DVI using an adapter? Link to post Share on other sites More sharing options...
exile360 Posted December 19, 2011 ID:506401 Share Posted December 19, 2011 You most likely will, most modern video cards are equipped with HDMI audio output (which passes through the DVI ports, as DVI and HDMI are basically the same thing, just different connectors as I recall). Link to post Share on other sites More sharing options...
zoot56 Posted December 19, 2011 Author ID:506409 Share Posted December 19, 2011 Alright then I'll have to give it a try and see. It may be a few days but I'll let you know how it works out. Thanks for your help. Link to post Share on other sites More sharing options...
exile360 Posted December 19, 2011 ID:506414 Share Posted December 19, 2011 You're welcome You might also check NVIDIA's support site on your video card to verify its capabilities and make certain that any DVI to HDMI adapter will work (it should, but as I recall, some graphics cards use slightly different DVI connectors). Link to post Share on other sites More sharing options...
zoot56 Posted December 24, 2011 Author ID:508985 Share Posted December 24, 2011 Got an adapter and the picture works but like I feared, there is no sound. Link to post Share on other sites More sharing options...
exile360 Posted December 24, 2011 ID:509021 Share Posted December 24, 2011 Did you try both DVI ports? It's also possible that one of them does support audio while the other only supports video. Also check your sound device settings in Windows, it's possible that you need to enable NVIDIA's HDMI audio output (assuming it supports it). Link to post Share on other sites More sharing options...
fivealive Posted December 25, 2011 ID:509115 Share Posted December 25, 2011 your other option is to run a set of speakers to your computer or do what we did we got an audio cord going from the speaker jack on the desktop to the tv which has a audio jack as well to go in andw e get sound that way its more cords but it works Link to post Share on other sites More sharing options...
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