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Dell Notebook Monitor Turns Red and Goes Out

Discussion in 'Hardware' started by Noble83, May 20, 2009.

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  1. Noble83

    Noble83 Thread Starter

    May 19, 2009

    I have a Dell Inspiron 600m notebook that is about 4 years old. I have a Samsung flat panel monitor that I plug in to the notebook, and I had the screens set up side by side I (not sure if this has anything to do with the problem, but who knows).

    About three months ago, I noticed that when I would turn my computer on, my notebook monitor had a red tinge to it that would eventually go away after a few minutes. After about a week of this, the monitor started to make a high-pitched hissing sound, and then went black. There were extremely faint shadows of the screen showing, but almost impossible to see. Now, when I turn my computer on, the monitor turns on with the deep red tinge, makes the hissing sound for about 10 seconds, and then goes black.

    It seems to me that the monitor is probably fried and needs to be replaced, unless there's some magical fix to this problem. I don't know how much it costs to replace a laptop monitor, and I was wondering if it's even worth replacing on a four year old machine.

    My monitor/video card is ATI MOBILITY RADEON 9000. I'm not too good with components, so any help/advice would be greatly appreciated!
  2. Gr3iz


    Mar 9, 2009
    First Name:
    It's the backlight that's going out. It could be caused by a bad backlight inverter. This is a small circuit board, often right near or attached to the LCD panel that takes DC and transforms it to high-voltage AC to power the backlight, which is a very small fluorescent tube.

    The backlight inverter is not too difficult to replace. The backlight itself could be, usually is.
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