Question about Dell Inspiron 4100 Notebook

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Lower 1/3 of screen is light blue band and can not see through it to access anything behind it

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  • christine952 Sep 30, 2009

    First, thank you very much Spoem. The machine is not under warranty.As per your advice, I attached a monitor and it just seemed to not register my lap top, the little green light on the monitor would flash when I turned the monitor on, but then it would go to yellow and stay that way, and the screen just remained black.

    I also had no success with holding FN and power button on lap. The lap top turned off, but did not boot up again in Diganostic Mode.

    I would really appreciate additional assitance.
    Thank you, Christy

  • Barry Parks May 11, 2010

    First, is the laptop still under warranty? Second, do you have an external monitor that you can connect to the laptop to test the video output? If the screen on the monitor displays correctly, the display screen of the laptop is bad. You can also run a diagnostic check to test the system. To do that, turn the laptop off. In the lower left corner of the keyboard, you will see the 'Fn" key. Hold that down and press the power button, and then release both keys. The machine will start in Diagnostic Mode and will run a series of tests. One of the tests if of the video adapter. You should hear some musical notes, see color bars and need to press the 'Y' key to continue if you see the bars. If you do not see them, the video adapter is bad. That is part of the mother board in Dell laptops. Please let me know what you find and if there is any additional assistance I can offer. ~ Spoem


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You can try reseating the video cable under the keyboard. If that has no effect then you are looking at replacing the LCD assembly. Replacements are generally $150 or so on Ebay.

Posted on Sep 30, 2009

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