Question about Sony VAIO PCV-W20 PC Desktop

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Sony vaio pcv w20

Hi,I have this sony pcv w20,inherited from my brother,before i was so happy using it ,i works terrific..
but suddenly i experience this problem..the lcd screen was flickering and i tried to re start it,but as soon a the windows shows up on the screen,the lcd screen goes out black..nothing i can do,coz i couldnt see anything on the scree..PLEASE ADVISE..THANK YOU ALL..

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  • JOHN2BRION Jan 21, 2008

    Thanks for the reply..But i think its not the cable nor the inverter board,because everytime i start the computer,it will show a good screen background then suddenly you will see it turning to a little pinkish color then its going out black..but still, the computer is running,its just that there is no picture on the screen..

    Then i'll turn it off and when i start it back again,the same thing,only the first 30 sec or so,you can see the screen "windows xp"start..then,boom..goes out black.

    Do you think it might be the ccfl of the lcd screen??

    Pls advise..Thanks..

  • JOHN2BRION Jan 23, 2008

    HI,thanks again for you comment..about your question if it works good in an external display, that was the first thing i thought that i might get the solution..but unfortunately,this pcv w20 model has no video or vga output for an external display hook up..That's very disappointing,right?!..anyway,what do you think about my guess of replacing the ccfl of the lcd screen??.. thanks again..hope to hear from you again..



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I have a PCV-W20 and I had the issues with the flickering screen and blackouts. After reading a few postings i discovered the issue was a faulty CCFL. There are two in this unit. I did not know that when I ordered just one. When it arrived I had already taken the unit apart and was ready to replace the lamp. After soldering the connections the figuring out how to put the unit back together, it worked! After replacing the CCFL lamp the unit does not experience blackouts.

Like I mentioned this unit has two CCFL lamps. When I pulled it out I noticed one was a little darker than the other. I figured this was the one that was bad, and luckily it was.

I do have a line running across the screen now which I have not been able to figure out. Maybe it has something to do with the light escaping from the side. I'm not sure.

Posted on Dec 27, 2008

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Does it flicker if you move the screen back and forth?

If so then you probably have a bad connection between the screen and the system, you would need to replace the video cable going from the screen to the system board.

Is there a little button above the keyboard that the screen would depress when it is closed? If so try pressing that button a few times to see if the screen comes on.
Or do you see a faint picture is you look REALLY!!! close to the screen?

If so the inverter board is faulty and would need to be replaced.

Posted on Jan 21, 2008

  • Dean Joly
    Dean Joly Jan 21, 2008

    Does it work good on an external display?

    I also sound like the notebook is set to only dispay out of the TV or external display ports. Press Fn+F5 (I think, might be F4 or F6, usually an icon of a monitor on it) a couple of time to see if you can cycle the output.

  • Dean Joly
    Dean Joly Jan 23, 2008

    The ccfl is usually built into the LCD, I've heard that it might be changeable in some but I wouldn't try it myself. You should be able to replace the LCD fairly easily.



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