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Dell 1908FPt monitor no backlight

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    Dell 1908FPt monitor no backlight

    I have a Dell 1908FPt monitor with no backlight. When the monitor is turned on the first time or plugged in, the dell logo appears and there is no back light. If after I turn it off or on via the button there is no backlight. After I unplug it and let it sit for a little bit the dell logo appears and then backlight goes out immediately. I can see the images in the background by flashing a light on the screen.

    #2
    Re: Dell 1908FPt monitor no backlight

    Can be a problem on the power board (caps, lamps mosfets, lamps trasformers) or bad ccfls, or both. Did you recognize any color changes in the image when backlight was working, on the pink/reddish near top or bottom of the screen?
    Just open it and take photos of the power board. There's high voltage involved so if you're not familiar trash it.
    Last edited by Dumah Brazorf; 08-20-2020, 07:51 AM.

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