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I hooked up my laptop to my vizio via vga cables. No problem

I hooked up my laptop...
I hooked up my laptop to my vizio via vga cables. No problem with video. For audio I used a headphone adapter using RCA cable (red/white) from laptop to vizio. Still no audio.
What's wrong?

Thanks

Wes
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Answered in 4 minutes by:
8/15/2013
Shahid
Shahid, Technician
Category: TV
Satisfied Customers: 12,015
Experience: I have been repairing electronic gear since 1993 as a qualified Sony tech
Verified
Hello, my name isXXXXX be happy to assist you,
Please allow me to ask you a few questions about your TV so that we can troubleshoot the issue.

- Have you tried to reduce volume level of laptop to minimum or slightly high and then connect it in TV PC audio input?
Some times PC audio input circuit mutes due to high audio output from laptop.

Please post back how it worked.
Thanks.
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Customer reply replied 4 years ago

Did not work - Thanks

OK, please unplug TV power cord from wall outlet for 10 minute to reset, unplug audio wire from laptop, replug TV back in, turn it On and select PC input to get laptop picture in TV.
Now increase TV volume level and touch audio wire pin that was unplugged from laptop, do you hear any noise in TV speakers?

Please post back your findings.
Thanks.
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Customer reply replied 4 years ago

No audio

OK, let me open the question for other online Pros input on this issue as I'm running out of ideas what could else be done here.
I hope any one will take this question and post some helpful info.

Thanks.
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Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 27,401
Experience: Custom home theater installer, authorized dealer top brands.
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Can you give me the full model number of the vizio please?

It sounds like you're using the stereo rca (red/white) connectors into the tv, is that correct? Which set of ports (what label) are they plugged into? Do you see a 3.5mm minijack connector on the back of the tv (headphone type jack)?
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Customer reply replied 4 years ago

Vizio model # XXXXX VO37OM


The RCA cable is plugged into audio (red/white) in the back of the TV (not the audio out red/white)


 


There is no 3.5mm written but there is a headphone jack that says "audio" (my headphone jack fit perfectly), in the same "blue" panel where I plugged in the VGA cable. An "a-ha" moment?

Yes, a-ha exactly. I was expecting this was the issue.

 

Most tvs that have a vga input have a matching minijack input for pc audio. The rca ports you are using are for another input mode (component/composite connections for a dvd player, cable box, etc)

 

What you need to do is run a 3.5mm minijack to minijack cable (headphone type plug on both ends) from the computer to that port on the tv, and you should get normal sound.

Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 27,401
Experience: Custom home theater installer, authorized dealer top brands.
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