No tv picture - only audio - after pc to tv box hook-up
We are pretty sure our connections are all correct but we don't get any picture -only vertical bars of color. We do get the audio. Can you help us? Our tv has the RCA connections on the back, and the computer is an IBM thinkpad. We had been able to stream our show on a spare monitor, but wanted to use the larger tv screen so we purchased the Kworld PCtoTV box.
Re: No tv picture - only audio - after pc to tv box...
Hi I am a silver surfer but this is how I got it working First off get the program tou want to watch up on PC Moniter(screen) Then connect 3 cables Yellow cables / One end to tv other end to yellow hole rear of PC/TV Box
Grey cable small end goes in PC/TV Box just behind the wirds "kworld" other end goes into back of your Computer ,you need to check your Computer manual to see the which one is the connection to your Computer screen(moniter),mine was blue with 2 screws , disconnect this and screw in Grey cable
Black cable narrow flat end into front bottom of Computer ,other end intoPC/TV Box end hole next to yellow cable
Switch on TV and change AV until you see your program, sound will be thu your Computer Speakers NOT your TV
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I think you are jumping the gun here. My guess is you just have the audio hooked up wrong. I need to know what you are hooking it up to but I am going to guess this is a cable box. Red and white lead need to connect to the out side of the cable box and connect to the in side of the tv. Red is Right and White is Left. The yellow is your video which needs to follow the same connection of ins and outs. Also make sure the audio is set up for coming through the tv and not set up as an external source for audio. This is done through the audio set up menu on your tv.
Make sure TV is not muted.Make sure the TV is not set to SAP (secondary audio protocol)Make sure TV input is correct (someone may have accidentally pressed the "aux" input button or similar causing the TV to use an input with no sound going to it)Make sure there is not a pair of headphones connected to the TV audio out jack on the side or front of your TV.Check all of the cables that are connected into the back of your TV. (it is possible the TV was moved slightly and a cable has become disconnected or loose)If you have a receiver or surround sound connected to your TV, turn it on and see if you get sound coming from the external speakers.Turn off the TV, cable box, and anything else connected to the TV. Sometimes turning everything off and then back on can fix the problem.If using an "S" video cable into an input on the back of your TV, these cables carry no sound, just video, so make sure you connect an audio cable too.Hook up an external device to the "TV audio out" input. This will be the test to see if it is a TV circuit board malfunction or the speakers are faulty in your TV.If you are connected to a satellite box, use the included remote and go into the "menu". Check to make sure sound settings are set correctly.
Read More: http://removeandreplace.com/2013/11/14/10-ways-fix-tv-picture-sound/#ixzz3lTeW6isH
Check if the mute button on the cable box/TV/VCR is activated. If so, turn off the mute feature
Verify the volume on the cable box/TV/VCR is not turned all the way down, either by adjusting the volume level on the equipment itself or with the remote control
Check if the TV has an earphone or headphone jack. If so, make sure there are no earphones or headphones plugged into it
Check if the Cable Box/TV/VCR has a SAP/MTS switch (Secondary Audio Program / Multichannel Television Sound). If so, make sure it is set to the proper setting. Consult your TV/VCR manufacturer's user manual for information for your specific TV/VCR. Click here for information on changing this setting on a Cable Box
Check behind ALL TV and equipment (Cable box, TV, VCR, DVD, stereo receivers, etc) and the coax cable at the wall outlet for any loose or damaged connectors
Make sure all equipment and connections are hooked up correctly for the video and audio based on the type of connections being utilized
This may sound like a rediculous thing to ask you to do, but I've seen these types of things happen.
With the antenna to the box and the box to the antenna port on the TV setup, go into the TV menu - audio section and make sure that the speaker is set to 'ON'. Also, make sure that 'SAP' mode is not on.
Try plugging headphones in the headphone jack and see if you get audio there.
You should also check the instructions for your digital box to see if there is any audio modes that may need adjusting.
There is some sort of setting you need to change on the JVC receiver. I had this same problem, and I read the manual and it solved it. You need to press and hold down a button to change the mode. Your unit probably says "TV Sound" right now. Once you press this button (not sure what button) like the manual says, the display should change to "DBS" and then it should work just fne.
If the input to a HD tv is not in HD format the tv won't display an image very well. Be sure your input to the tv is compatible with the tv's technology for optimum performance quality Also re-check the input source (such as converter box, dvd player, etc..) and be sure you have the correct input/output ports connected properly. Try to reset all yout tv settings back to manufacturers defult specs. When an input signal is sent to the tv most modern tv's have software built in to select the proper format to display the input image. There may have been a mismatch communication error when your tv software tried to "handshake" with your converter box input signals from its firmware. So try a reset solution and re-connect the tv without the converter and see if that helps. If not e-mail me and I'll determine if the tv needs technical servicing.