Question about Sony VAIO PCG-R505 12.1 in. Flat Panel LCD Monitor

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LCD turns white.

After a while, the lcd on my sony vaio pcg r505el turns white. If i hit fcn-f7 a few times sometimes it will come back for a few mins then go back to white. is this an inverter problem? Help!

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Probably failure in the LCD controller IC in the lcd controller board. that no signal was sent out to the lcd driver ic thus you could only see white display. A replacement of LCD panel is the best solution. best regards

Posted on May 17, 2009

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Hello
These symptoms are not the inverter problem, What can you do if the laptop LCD screen turned completely white? From my experience I can tell that this problem may be related to the following: 1. Loose connection between the video cable and the LCD screen. 2. Defective LCD screen. 3. Defective motherboard (I assume the graphics card is integrated into the motherboard).
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Screen is white


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If you cannot fix the LCD screen then use your laptop with an external monitor.

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MY VAIO SCREEN TURNED WHITE


What type of vaio is this?

First attach an external monitor or go to your friends home ,they may have an old crt monitor or lcd,just remove the video cable from their system and plug it into your laptop video port.

when powering-on laptop -press the FN key and the F7 key at the same time to toggle the video signal - video will show on the external monitor or if not you have to replace your LCD.

The above test will verify if the LCD is bad or you have an inverter problem.

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so it shows up externally only?? if so did you try replacing the inverter.

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