Question about Dell Inspiron 6400 Notebook

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Screen won't work!!!

Hello,
My cpu is just about a year old and the screen won't turn on! I'm pretty sure that the actual cpu is fine because the lights are normal and it sounds like it's starting up fine but when i hooked it up to the tv you still couldn't see the screen! Could you please help me?

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  • Dell Master
  • 32,281 Answers

You could have a faulty video controller.
With laptops you can switch between the LCD and the external video connector, to switch between the LCD and external connector you need to press and hold down the Fn key and press one of the Function keys, (maybe F4, F6, F7 etc) to toggle between LCD and the external connector.
If you can get a video signal to the external connector, it would indicate the video card is probably OK.
then the fault could be the LCD and or the Back lighting on the LCD.

Posted on Jul 27, 2008

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Posted on Jan 02, 2017

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