I get no signal out to my tv when I try to display video from my computer. I have tv out on an nVidia 8800 GTS that works in dual display mode when I run the signal from the S Video connection to a converter box and go straight through to the tv via coax cable. When connected to the receiver, I get a black screen. The tv is older and has a coax input and RCA inputs for audio and video.
Is there a special setting to change the output format? Do I need to have the video goint to out to the TV on another S video cable for this to work? I can make this all happen by getting a coax switch for the tv signal but I would rather have a solution working that goes through the receiver and out to the tv via the yellow RCA cable so all my signals will be ready with the remote instead of manually switing the tv signal from cable to the converter to watch Media Center video.
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Re: Computer TV out with S Video
You can use the yellow RCA cable using an SVideo adaptor. When using dual displays make sure that display number 2 is adtive. To do that move the mouse to display 2 press the right mouse button and select active. Check extend desktop to the monitor to check the signal and press apply. Make sure you are using either an Svideo or RCA signal.
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Make sure the video signal is making it to the TV. You don't say how you've connected the DVD player to the TV. If you're using HDMI cable, there should only be one connection from DVD to TV. If you're using other inputs (component video or s-video) you need audio (right and left) and a video signal connected. Make sure they're both connected to the same Input section on the TV. Make sure the TV is set on the correct input that you connected the video signal to.
Lots of people are doing this and part depends on what your home theatre has to offer in the way of connections.
For sound most use the LINE OUT on a computer or laptop and connect that to a suitable input on the receiver using a 3.5mm to stereo phono lead.
If you are lucky enough to have an OPTICAL sound out on your computer and one on the home system that would be a better option.
For the video side again it depends on what your computer has to offer
If it has DVI and your TV or home system has DMI then that is the very best option. remember to lower the resolution on the computer first and to check and of your graphics card options for dual display. A DVI to HDMI lead is needed for that
Nvidia graphics cards seem to work best in this area.
If you have a VGA connector on your TV that is another great option and you would only need a VGA lead.
Some cards and laptops have S-VIDEO out. Lots of TV's and home systems have these and the display is quite reasonable. If using S-video connections use a GOOD quality cable.
Some people can only obtain a black and white picture so check your graphics card did not come with any special adaptor.
Another method is composite video Even that is not always 100%
Some laptops need a special S-video adaptor which is just a short little cable to properly enable the S-video and convert S-video to composite. That is probably the worst way to do it.
Using a VGA to component lead is also an option but results vary wildly from no picture to quite good. A lot depends on the quality of the lead once again.
I use the optical sound and DMI lead to power a 50" Sony with great sound and picture.
Double check the way you've got the cables connected. Audio but no video generally means that the yellow video cable isn't hooked up correctly.
Check to make sure the video cable (yellow) is hooked up to the same input on your television that your audio (red and white) cables are.
For connections of audio, so that you can hear all tv audio through the surround system, connect either an optical audio cable or red & white analog audio cables from the tv to the home theater. If you are using optical audio, there is a plug on back of tv labeled for digital audio output and an input on the surround sound system. If you plan on using analog red and white, use the PROG OUT red and white output jacks on the back of the tv to the AUX input on the home theater.
For video connections, to get HD you will need to be using either HDMI or Component cables. HDMI is the cable that will provided 1080p signal (the best HD signal), but if the source does not output 1080p, then your tv will not display 1080p. Most cable boxes output at 1080i or 720p when on HD stations. This signal still provides great picture quality, but HDMI is not needed to get these HD signals. You can use component cables for your cable box and the DVD player output to the tv for video. HDMI might give you a slightly better picture quality but the signal will be the same.
To make the connection, you will want to connect from the cable box to the tv (component or hdmi). Also from the home theater system to the tv using hdmi or the video cables from component (red, blue, & green cables).
have you enabled external display on the vaio? right click an empty area of your desktop. go to "graphics options", then "Output To" and select the option for "clone" "Computer + TV". the menu should look similar to this.
GEnerally speaking that behavior suggests that the video signal is being lost for a second and returns. The easiest thing to try is to replace the connection cable (video). A bad connection there could cause this although moving the cable should make this happen at will. Check the DVd player on another TV if possible. If hte player is the cause, the "new" TV should show the same symptoms.
The only other possibility is that the DVD player is having a problem generating the video signal. This could be because the disc is not being read correctly (I would expect the sound to be effected as well) or the video processing section of hte DVD player is defective. This wil be a bit more difficult to find.
Can you try the cable and other TV and update this?
The Concept of S-video is Splited Video Signal (Luminance for black and white, Chrominance for colors), in your case the luminance is ok but there is no chrominance out.
Expert technician is required:
Check for dry solder at the s-video out outlet.