Question about PC Laptops

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Laptop my daugther Sony laptop screen is black or very faint its new but was wodering what it could be???

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  • brenda611 Mar 08, 2008

    thanks for helping i dont know what the model is at the moment.its under warranty,but having a snowstorm so can't get to the store we bought it from..I was just surfing to see what i could come up with.. thanks so much

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2 Answers

WELL MY SCREEN, EVERYTHING IS FINE ITS JUST THAT MY NEICE WAS MESSIN WITH MY COMPUTER SO WHEN I TIED TO GET ON EVERYTHING IS SIDEWAYS..LIKE RIGHT NOW IM TYPING REGULARLY BUT ON MY SCREEN ITS LIKE ITS SITTIN SIDEAWAYS.. I DONT KNOW WHATS WRONG AND I TIRED FIXING IT BUT I JUST CANT SEEM TO FIND A WAY..I TRIED RESETTING EVERYTHING ON MY COMPUTER BUT THATS NOT WORKING EOTHER..PLEASE HELP ME FIND A WAY TO FIX THIS PROBLEM

Posted on Mar 08, 2008

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  • 163 Answers

Backlight or inverter.. What model Sony? Weve repaired hundreds of them..

Posted on Mar 08, 2008

  • Ken LaDere Mar 08, 2008

    Youre welcome..

  • Ken LaDere Mar 10, 2008

    Look in the advanced options for graphics controler and see if there is a rotate option. What is the machine? (Make Model)?

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All i get is the acer intro screen and than screen goes black


Shine a torch at the screen when it goes black.
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I have a vaio PCG-61313L, i replaced the screen because it was broken, when i test the new screen, i got no backlight, i try to replace it with the old one but got the same problem, backlight was gone....


Hello,

The problem is not with the screen. If you turn on your laptop in a dark room and you put a flashlight on your screen, you will get a very faint display. The problem seems to lying with the inverter.

The inverter is a electrical device which 'backlits' the LCD and gives the display. Without the inverter and the bulbs it powers, the screen would be too faint to be seen.

To test if the inverter is defective, just turn on your laptop in a dark space, then put a flashlight on the screen to see if you have a fainted display. If you can see something, it is the inverter which is defective and should be replaced.

If you are handy, you can also remove the screen cover to see if there is a neon like light which lits up behind the LCD. If you can see the light, it means that the inverter is just working fine and that the is with the LCD itself.

jbertrand_ba.jpg
Picture of an inverter.

Replacing the inverter:

1. After removing the screen 'cover', locate a small circuit board (usually below the LCD). Unplug the electrical cables and replace.

In your case, as the LCD has been replaced, check if the cables are well connected to both ends of the inverter. If the cables are well connected, consider replacing the inverter.

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1 Answer

My Sony Vaio computer boots ok but faintly and the screen black


The Inverter board is likely to be bad.

example of an Inverter repair:

http://www.insidemylaptop.com/remove-lcd-screen-inverter-board-sony-vaio-vgn-sz645-display/


Click on this link or copy and paste the complete link into your browser.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy Holidays!

Thanks, Joe

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1 Answer

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try to insatll new OS.

also check the flex cable that connect keypad to LCD.

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