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No audio when connecting laptop to TV via VGA cable

24601 Avatar
246015y, 1m agoPosted 5 years, 1 month ago
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 :)
24601 Avatar
246015y, 1m agoPosted 5 years, 1 month ago
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thedealsealerbanned 1 Like #1
yes you will need an aux cable to plug from the pc headphones into the tv headphone slot :)
SOSAGES 1 Like #2
vga is not for audio
what connections does ur laptop have
wickedteen 1 Like #3
the vga cable is for picture only, you need to connect the headphone socket to the tv for sound
Babbabooey 1 Like #4
VGA is for video only, you will need a separate cable for audio as you say.
24601#5
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#6
yellow will be video again, try white/red.
J_B 1 Like #7
http://www.creativecomputing.net/catalog/images/CB-3.5mm%20phono.jpg
thedealsealerbanned#8
or

http://img.alibaba.com/photo/11730506/Audio_Extension_Cable.jpg
24601#9
thank you :) gonna try the white & red now and will report back...
Benjimoron 1 Like #10
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#11
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#12
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#13
Yep, it'll do fine.
The chances of your current cable being faulty are pretty slim though.
Benjimoron#14
24601
Sorry which one are you saying I should use?


The 2nd one.
24601#15
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#16
Benjimoron
The 2nd one.


Oh ok thanks, would you mind telling what that cable is called, I dont recognise it
Benjimoron#17
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.
PhearFactor 1 Like #19
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 1 Like #20
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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