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No sound coming out from computer!

  1. #1



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    No sound coming out from computer!

    Hi, yesterday I did a restore system back to factory setting on my Sony Vaio Laptop PCG-5GEP. After that I installed the Windows Vista Service Pack 1 cause I needed it to installed Visual Studio 2010. But since then there are no sound coming out from the computer (videos, skype, music etc). But surprisingly there IS startup sound everytime I turn on the computer, but that is it, no more other sounds coming out.

    I did a Update Driver in Device Manager for sound, but it says I have the latest version.

    Anyone please help?

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  3. #2
    asullivan's Avatar

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    Re: No sound coming out from computer!

    Quote Originally Posted by Izzy123 View Post
    Hi, yesterday I did a restore system back to factory setting on my Sony Vaio Laptop PCG-5GEP. After that I installed the Windows Vista Service Pack 1 cause I needed it to installed Visual Studio 2010. But since then there are no sound coming out from the computer (videos, skype, music etc). But surprisingly there IS startup sound everytime I turn on the computer, but that is it, no more other sounds coming out.

    I did a Update Driver in Device Manager for sound, but it says I have the latest version.

    Anyone please help?

    O.K. I am running service pack 2, 64 bit vista O.S. HP dv6000 laptop If you would like I could walk you through some different "Places" that your machine might be a bit stubborn with.....

    I am extremely new here !!

    Note: I am an electrical engineer not a digital guru, I work with descrete
    componets not computer systems !!!

    Before you do any digging, unpluggall devices ( active speakers, headphones out of front jacks, Ect)

    To open volume mixer..Left click on speaker icon, You should see a vertical green indicator that "Follows" the changing amplitude of audio signal, if it's working..If you do see changinging vertical indicator but no audio signal click on red round speaker icon and you will have restored your audio..

    Next......Right click same speaker Icon as before, Click and a indicating box will appear, mine says "speakers" and realtec digital audio.... There sould be a green check mark near the "speaker" icon....And it will be showing vertical deflection if audio is working...

    If any of the above does not adjust out properly, click on the microsoft icon, then accessories, sytem tools, and then the control panel.

    Click on hardware, and sound you will see 3 options, Adjust, change, and manange audio devices... Play around with these 3 options....

    You will discover other rooms with controls...Play and check... there are lots of "test" buttons you can use thoughout your journey, good luck and use "string" so you can find your way back.

    If this does not do the fix, we will just have to try something different...

    Alex S.

    Last edited by asullivan; 20 Sep 2010 at 05:28 PM. Reason: stuff
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  4. #3
    asullivan's Avatar

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    Re: No sound coming out from computer!

    Izzy,
    I have been surfing the board... There are goobs and goobs of screen shots ect for audio problems, let me know what the problem was.... You will find the cure here,,

    Sully

    Last edited by asullivan; 20 Sep 2010 at 08:00 PM. Reason: spell'in
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  5. #4



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    Re: No sound coming out from computer!

    Hey thanks for the reply.
    I clicked on the speaker icon and the green indicator does change according to the music played/ video played. But just no sound is coming out of my computer. I think my computer is different from yours cos I dont see the red round speaker icon as you did. I've already gone through all the stuff relating to "sound" in control panel and all seems to work well, the sound just won't come out.

    But everytime when I turn on the computer, there is the startup sound and the error sound... that's why I find it really weird.

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  6. #5



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    Re: No sound coming out from computer!

    Just a quick post, just now I restart my comp, and it went into the update mode, then after updating, the audio output device is gone. There is a red "x" on the speaker icon on the bottom right of the screen, and it says "No Audio Output Device is installed". I think the update delete it from my comp...

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  7. #6



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    Re: No sound coming out from computer!

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  8. #7
    asullivan's Avatar

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    Re: No sound coming out from computer!

    Quote Originally Posted by Izzy123 View Post

    How "bout them apples...Like I tell my students, "ya got tenacity". Good work.

    Izzy one thing, when you do run into a problem with these machines whether it be Hardware, firmware or software, remember that there is a reason for a malfunction or failure, the good troubleshooter will always want to find the "Why" and not just to "fix" it.
    I understand people wanting the machine to operate correctly, and in short order, but remember a few things, first, electronic machines fail for a reason or reasons.
    Whether it be too much current flow, incorrect low or high potential of difference(voltage), a undesirable change in a resistive value, a mechanical breakdown or another million reasons.

    When I teach class I use alote of things that have happened to me, or things I have seen, a quick example.. A short microwave hop that exhibited great attenuation about the same time of day here in Phoenix AZ, it was monsoon season. My boss @ the time and I pretty much designed and built the whole hop, it was a CATV system..Downlik and distribution from the head-end, TX and RV, Dishes, alignment and fired it up...

    A year or so later my boss found another job, so I was assigned chief enginner..

    Enter the nightmare.....

    I could not to save my life as to why this was happinging, the signal loss... My Co. called in big hotshot microwave engineers and the like, they got back on their airplanes scratching their heads as they took off. My boss was on my back, the heat was getting hot..I went to sleep every night with that problem on my mind...had nightmares ect....we had a customer base of appx. 750,000 paying customers, even though this hop was a small % of the whole..

    Every night I would have nightmares of this, they were bad dreams indeed...

    One night, about 3 weeks into this living horror film, I fell asleep....I dreamed I was a bird flying and landed on the ridged feed horn at the point of convergance, the focal point of the R.F..... I woke up, got dressed, hopped in the Co. truck, drove to the headend, Put on my climbing belt, climbed up 130 ft. tied off, unhooked the feedhorn, Titlted it upward above my eye and water green slime and junk poured out onto my face!

    Replaced the feed horn, (I had a new spare), Problem was fixed.....

    My former boss had placed the metal feed horn into a vice to slightly straighing it, causing a very small micro crack that allowed moisture build up. After several years of high humidity during the monsoon season to cause moisture. It would "Fog" up inside when the temp and humity hit that "sweet spot"....It lasted 3 or 4 hours a day, during peak viewing time, then "cleared up". An intermittent, the troubleshooters nightmare....

    Alex

    Sorry for the off subject...

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