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Dell Vostro 1400 LCD Showing Black Screen

Hi...My Dell Vostro 1400 laptop is showing a black screen and nothing else. I connected the laptop to an external monitor via VGA and the display showed there. Also The FN Function button to brighten or darken the screen works.

I read online that there was an NVIDIA GPU defect for several Dell laptops and I believe this may be the case with my own.

Could anyone suggest how to fix this? I really would hate to have to get another laptop as this one is only about 1 year and a half old.

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  • julrii Apr 18, 2009

    Hi everyone,


    I have a Dell Vostro 1400 (1 yr 2 m old). Yesterday I was playing a PC game, and it froze!


    When I turned the computer off and on again, the screen turned black. I can adjust the light on the screen (FN + up/down). Nothing else works.


    I have tried to insert a AC adapter. It responds the same way...




    Please, I am most grateful for any help! :D




    Regards, Julian.

  • praveenkat Apr 20, 2009

    dell black screen with the backlight on

  • technologue May 25, 2009

    I am also facing the problem. Sometime LCD goes off. But if connect the laptop with an external monitor it works. While connected with external monitor, LCD revives, and then works fine. 


    After working couple of hours, it freezes again. By the same way, (plugging to an external monitor) display can be regained. Very very strange problem!


    Do anyone have any idea what's going on.?

  • Anonymous Mar 15, 2014

    I have a dell vostro 3300 and I can't get the SyncMaster to show my laptop screen on the monitor via VGA cable. It works on my other HDTV but SyncMaster says it can't read the pc signal

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If you connected the laptop to an external monitor via VGA and the display, then it is not "an NVIDIA GPU defect" .

The video chipset connected to the LCD screen is the same connected to the external VGA port, and is working fine since picture is OK on monitor.

More likely the problem is either LCD ribbon cable, or LCD display, the fact that the backlight is working means that the inverter is also working.

Posted on Apr 18, 2009

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Whoever facing problem with Dell display, GPU stuffs and have already expired your warranty, you can ask dell representative to purchase an extended warranty. Under that warranty they replace the main board. It costs around $100.

Posted on Jan 04, 2010

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My son has a black screen,, also like #3 he had repair at the get go under warenty with pixels missing...
now no warenty and it boots but is black

Posted on Apr 21, 2010

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I got the exsact same problem. thing is my lcd got damaged before. it had alot of green dots on some colors i had it replaced by dells warranty but now its over and this computer have to many issues with hardware. since the lcd is a replacement i dont believe its an issue on the lcd directly it barely have a year of use. i think it might be an electric issue cause it started when i had to buy a new battery charger cause last one got fried with a big electric lowe and high jump on my house. kinda like a lighting. so before i could charge it a while then disconnect it and it could work now it never turns on and it really gets me mad. if anyone gets it fixed please tell me pablo0168@hotmail.com.

Posted on Jan 04, 2010

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Hi Julius,

remove the battery and replace again and plug the adapter and turn on laptop.
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if yes.
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