The video cable connection located under the keyboard. Any suggestions would be appreciated. Should I replace the LCD screen cable? Make sure the external video works fine. During another session the desiplay perfomance deterioated , first the half of screen beacome blurred, then I got a rainbow like on TV when no program is on air, then I got fully white screen. A wrong screen might fry the motherboard. My screen was barely visible so we suspected either the backligth was gone or the inverter was not working.

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The LCD screen should have only one plug. We have more than You cannot tell which one soyn causing the problem without testing the laptop with another working inverter sony vgn nr498e backlight. I know the system still works because i sony vgn nr498e hear the start up sounds. I did a reflow to the gpu cuz it was broken and now the LCD has stopped working.

If you can get image on the external monitor, most likely your problem is related to wony LCD screen or cable.

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How to remove screen from Sony Vaio VGN-SZ645

Sounds like LCD screen failure. Carefully remove the board and replace it with a new one sony vgn nr498e necessary. For use with 65 watt 3. Mohd Bahij Ahmad, I am just wondering whether is it possible if I were to attach a I have removed the plugs and screws at the top of the screen, however am reluctant to remove the sonyy part since I am afraid of hidden screws.

The four corners of the screen started showing the same white patch though still small. Can I reposition the LCD panel sony vgn nr498e little to the left? If you cannot find a new screen anywhere else, probably eBay will be the only place to buy it. One time I grabbed the screen from the top and a black line came slny. I mean it has no backlight. You said external monitor works fully, it sony vgn nr498e the graphics card works properly. Problem reappeared a few days later.

If the test sony vgn nr498e lights up, you have a faulty backlight lamp inside your screen. The web camera is not a part of the LCD screen.


Is this the lcd screen or could it be another problem? Problem is that when the power block is removed and the laptop operates on battery, the LCD screen light goes out! This jack is compatible with an AC adapter tip measuring 5.

I was wondering if you would be familiar with upgrading displays. Can someone help me. Both have very similar sony vgn nr498e symptoms — very dark image and no backlight. My screen sony vgn nr498e barely visible so we suspected either the backligth was gone or the inverter was not working.

I guess some Sony sony vgn nr498e might require special screens. If the old screen works as before and the backlight is on all the time, apparently the backlight lamp inside the new screen is defective. How should I vggn if the problem is from the video cable or LCD screen itself?

Extern monitors work fully.

Everything worked great until i turned it on and no backlight. Thanks already for all the great information, simone.

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Thanks so much for the instructions. You purchased vgb new screen, replaced the broken screen and now there is problem with the backlight on the new screen.


Comenta la respuesta de jota.

The screen is completely black and I cannot see anything. Comenta la respuesta de Ventimo. Again, is this true?

How to remove screen from Sony Vaio VGN-SZ – Inside my laptop

Could be connection related issue. Solid colours sony vgn nr498e desktop back ground are ok but with slightly different hue.

Take a look at this guide as an example. The ggn is on the screen but the backlight works only of a moment. Can be used with both 65 watt and 90 watt AC adapters.