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    Vaio VGN N130G: AC adapter will not power laptop problem!

    Discussion in 'VAIO / Sony' started by cbg, Aug 10, 2008.

  1. cbg

    cbg Notebook Enthusiast

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    I Have a Sony Vaio VGN N130G about 2 yrs old....let me give the history: When my dog was a puppy, he chewed on the connector of my ac adapter...needless to say it eventually failed. It had exposed wire and popped a couple times before completely failing. I bought a replacement AC adapter online (huge brick of a thing). It worked for a couple months or so before it just stopped powering my laptop. The adapter has a light on it when plugged in so I know it is at least receiving power. I bought another new adapter 2 days ago, which worked fine immediately when plugged in. It then proceeded to stop powering my laptop. I am unsure of how to handle this....as I am not sure whether it is the adapters I have tried using (they are cheapo ebay replacements) or my laptops DC in jack (it is not loose). Just looking for some advice here before I get a new laptop with my student loans....thanks in advance.
     
    cbg, Aug 10, 2008
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  2. John Ratsey

    John Ratsey Moderately inquisitive Super Moderator

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    How do the volts and amps ratings (for example 19V, 4.74A) on the PSU compared to the ratings on the label on the bottom of the computer?

    The voltage should be the same. The Amp rating of the PSU can be more than on the computer but it should not be less.

    John
     
    John Ratsey, Aug 11, 2008
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  3. cbg

    cbg Notebook Enthusiast

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    Yah its the same...
     
    cbg, Aug 11, 2008
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  4. DetlevCM

    DetlevCM Notebook Nobel Laureate

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    Could your "cheapo ebay replacements" have had a very slightly different size, something of the order of 1/10th of a millimetre and thus have damaged the DC jack??
    Were they ever so slightly loose or offered a bit too much resistance when plugging in?

    Just of topic, on an old Asus we bent a USB port, and God knows how, it seemed like a "freak accident" unless there was this "plastic cap" missing from the start.

    Just wondering if something could have been bent out of place...
     
    DetlevCM, Aug 11, 2008
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  5. cbg

    cbg Notebook Enthusiast

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    They both seemed to fit fine. What I find is weird is that one worked for a couple months then stopped (even though it still shows power via power light) and the new one I got worked fine for a day until it stopped (does not have power light so I can't tell if it is receiving power). This leads me to believe that it is in fact the DC port...
     
    cbg, Aug 11, 2008
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  6. cbg

    cbg Notebook Enthusiast

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    Any other suggestions guys?
     
    cbg, Aug 12, 2008
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  7. DetlevCM

    DetlevCM Notebook Nobel Laureate

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    Have you got a Voltmeter? Preferably a digital one?
    This will allow you to check your DC "plug".
    I just did that on my Vaio (SZ) and its feeding in more than 19,5V more like 19,8V (but its the original one, so that should be OK).
    If you get around 20V out of your "power brick" that's fine, if you don't its broken.
     
    DetlevCM, Aug 12, 2008
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