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No audio when connecting laptop to TV via VGA cable

2460124601

Hi,

Was wondering whether anyone knows the reason why the TV does not have sound when I have connected it to the TV. Instead the sound is still coming from the laptop. Do I need a seperate audio cable and if so, which one, and how would I connect it? From the headphone part on the laptop to what part on the TV?

Would appreciated any help on this,
Thanks :)

All Comments (43)

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1
    thedealsealer
    yes you will need an aux cable to plug from the pc headphones into the tv headphone slot :)
    SOSAGES
    vga is not for audio
    what connections does ur laptop have
    wickedteen
    the vga cable is for picture only, you need to connect the headphone socket to the tv for sound
    Babbabooey
    VGA is for video only, you will need a separate cable for audio as you say.
    24601
    thedealsealer
    yes you will need an aux cable to plug from the pc headphones into the tv headphone slot :)


    SOSAGES
    vga is not for audio
    what connections does ur laptop have


    wickedteen
    the vga cable is for picture only, you need to connect the headphone socket to the tv for sound


    Babbabooey
    VGA is for video only, you will need a separate cable for audio as you say.


    Thanks for your replies :)
    I tried plugging a cable from the headphone socket and then put the yellow and red wires into the "audio in" parts in the back of the TV. But it doesnt work
    So either the cable is wrong, or Im connecting it to the wrong place :S, very confused!
    Babbabooey
    yellow will be video again, try white/red.
    J_B
    thedealsealer
    24601
    thank you :) gonna try the white & red now and will report back...
    Benjimoron
    J_B
    http://www.creativecomputing.net/catalog/images/CB-3.5mm%20phono.jpg


    Would have thought that you'd need one of these instead. That probably only works when on av channel, not VGA.


    thedealsealer
    or

    http://img.alibaba.com/photo/11730506/Audio_Extension_Cable.jpg
    24601
    well i tried plugging the white and red into the audio in part at the back of the tv, but its not working.
    I think I am plugging it in to the right area of the tv, as it specifies audio in, and asks for the white & red cable
    so i just think the cable I am using is old so I will try with a new ones. Would this be a suitable cable:

    http://www.amazon.co.uk/3-5mm-Phono-Stereo-Audio-Cable/dp/B000Q6LSVS/ref=dp_cp_ob_ce_title_2
    24601
    Benjimoron
    Would have thought that you'd need one of these instead. That probably only works when on av channel, not VGA.


    Sorry which one are you saying I should use?
    Babbabooey
    Yep, it'll do fine.
    The chances of your current cable being faulty are pretty slim though.
    Benjimoron
    24601
    Sorry which one are you saying I should use?


    The 2nd one.
    24601
    Babbabooey
    Yep, it'll do fine.
    The chances of your current cable being faulty are pretty slim though.


    The one I am using at the moment has a yellow input aswell, not just red & white, not sure whether that makes a difference :? Not sure if it is the right cable, just found it, and thought it might be suitable :(
    I hope that all that i need to do is buy a new cable, as may have to then get hdmi cable which i think gives audio aswell
    24601
    Benjimoron
    The 2nd one.


    Oh ok thanks, would you mind telling what that cable is called, I dont recognise it
    Benjimoron
    24601
    The one I am using at the moment has a yellow input aswell, not just red & white, not sure whether that makes a difference :? Not sure if it is the right cable, just found it, and thought it might be suitable :(
    I hope that all that i need to do is buy a new cable, as may have to then get hdmi cable which i think gives audio aswell


    Not very many pc's do audio over HDMI I think?

    Try one of the cables I said, only cost you a quid or so to try.
    Benjimoron
    PhearFactor
    Check the manual for the TV to see what audio jack goes with the VGA input. It is most likely red/white RCA cables as you have tried, the yellow cable is for video, leaving this unconnected will make no difference to the audio signal.

    BTW, before you buy the cable Benji is mentioning, ensure that this will actually work. Most TV's I have come across only use the headphone jack to output audio.
    ElliottC
    24601
    The one I am using at the moment has a yellow input aswell, not just red & white, not sure whether that makes a difference :? Not sure if it is the right cable, just found it, and thought it might be suitable :(
    I hope that all that i need to do is buy a new cable, as may have to then get hdmi cable which i think gives audio aswell


    Your problem is that the audio and video in requires switching the TV to one of several AV modes. If you switch it to use VGA, it will not be accepting input via composite AV input (ie. your yellow, red, white input sockets). If you switch it to AV input, then it will not accept a VGA signal as it is switched out of VGA mode and will be attempting to display a video feed into the yellow socket (which is composite). Why not connect your laptop's line out or headphone socket to external speakers, or even your hifi?

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