Question about Sony VAIO PCG-K25 Notebook

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PCG K25 screen problems

I have a pcg k25 I heard good things and bad things about this computer but I like mine and havent had a problem with ih untill now. Recently the screen became distorted almost like its was static the a few lines appear on the screen sometimes more sometimes less and it distorts the image Ive hooked the laptop up to an external monitor and the external monitor didnt have the same problem so it must be a screen issue. How ever this is an off and on thing somtimes the screen does it and others not at all Ive spoke to a couple of laptop repair shops online and they told me that it may be the back light or the inverter which I doubt. wouldnt you be able to see the screen dim or not light up at all if it was a backlight or inverter problem. The computers not that old so I dont see how the LCD would be going out not saying its not possible. The most logical thing I heard was from my uncle who use to build and sell pcs is that it sounds like a connection problem in the screen which seemed to make sense anyone have any suggestions before I sell the laptop or send it off for exspensive repairs I dont need

Posted by Harlen Yenor on


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Hello. Stay calme, please, don't sell it yet. I live in romania, and because of the poor service quality we are forced to make all sort of "do it yourself type" repairs as we have no choice. However i have some years experience in laptop repairs (including work at some service centers wich I have quit for the reason above)and seen this problem many times, also I have fixed it with ease. Your problem hasn't anything to do with the back light. If the backlight fails, you only see a black screen or a dim light. The invercer circuitry is a DC-AC power converter that powers the fluorescent lights needed to light up the display. It is a complete separated part of the display. Your problem is related to the connector between the mainboard graphic adapter and the actual LCD matrix. This connector runs throught the joints of the display - body of laptop. After repeated cicles of open/close the display lid, it may become loose. Therefore go to a service center to have the laptop dissasembled and simply ask them to check this connector. If it is damaged, you will need to have it replaced. This isn't an expensive repair. Also, if you know you didn't dropped the laptop or apply excesive force on it, there is nothing to worry. Good luck, feel free to post other questions and please remember to rate the solutions received from this site.

Posted on Feb 25, 2007


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