Question about Dell Latitude D800 Notebook

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Laptop won't boot (display problems)

Just recently (starting today) my computer is not displaying anything on the monitor when I turn it on. I press the power button, it makes a few knocking sounds (this has always happened when I turn on the computer), the lights turn on, but nothing is displayed on the screen. I tried pressing the Fn button while I turned it on, and it worked for the Dell start-up page, but come the Windows start-up, it went black again. The Fn button did not work after the first time. Is there anything else I can try to get the display working?

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  • Skhali Nov 08, 2008

    Other notes I forgot to add:
    1. This is a Dell Latitude D800 Notebook
    2. When using the Fn the first time the display was not perfect and there were three pixelated lines running down the screen. Also the resolution was changed.



  • lojosmojo Feb 05, 2009

    i dont get anything on startup besides a black screen that fades to white and then to black and keeps repeating

  • Anonymous Mar 23, 2014

    the display is blank and the computer is booted up. when I press control the display comes until I release control. If I twist the computer I can get the display to stay on.

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If the diagnostics displays on the LCD screen but you get no display when Windows starts to load, it sounds like you have a video software driver problem. Try tapping the F8 key when you power on your laptop and boot in Safe mode. If it works in safe mode then you need to check you driver. You can also try connecting the laptop to an eternal monitor and see what happens.



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Posted on Nov 09, 2008

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My dell Latitude D520 will not start up in safe mode or normal.

Posted on May 08, 2009

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I would try booting the computer up and press F8 and select VGA mode. From here, you can check your video settings and make sure the screen refresh rate isn't set incorrectly and make sure the resolution is correct. After that, reboot your computer and see if video will display in regular windows mode now.

Posted on Feb 20, 2009

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