While working on the computer, one half of the monitor goes out and takes on whatever color of the screen that is showing. the only way around it is to cut the monitor off for a while. But it comes back each day after working on it for a while.
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Try connecting to an external monitor if display screen is only showing half of my desktop, the other half goes black or flickershalf of my desktop, the other half goes black or flickers various colors then it is the video card if not....have ur display screen changed.
It sounds like your backlight isn't working properly. LCD screens have backlights that illuminate the colors produced upon their surfaces, so that you can easily see the screen without an external light source. In your case, it sounds like your backlights either aren't cailbrated, are damaged, or were produced unevenly.
There is most likely not a fix for this, though most all LCD screens have some form of light distortion. My own LCD screen is slightly brighter around the edges, where the backlights are located, but this is only noticeable when displaying a completely black screen.
that sounds like a video issue so you may need to go out and purchase a new video card for your computer if it's a desktop. If it's a laptop then you'll have to take in to a repair station and and have them fix it.
i have the same issue before with my DELL 2001FP, I replace the 3 capacitor on the board that look like defective because the top is look like swolen, it should be flat. I replace it with the same value and now the it works better.
If your color is messed up on your display also then I think you need a new monitor. Why don't you try using a monitor that you know works and see if you have the same problem. Then let us know the results or the answer so we can have a little more to work with.
Take the reinstallation CD and boot from it. Then click R and It will ask what drive you wish to enter. hit the drive number you wish to enter. It will give you options. Once your in type fixboot. just as I have it and it will ask you if you wish to rewrite the boot sector. Hit Y and press enter. Then type exit and it will reboot. If that dosent work you will need to do a repair install. I will walk you through that if we need to.
When I turn on my computer the monitor takes a long time to warm up and colors change and vertical lines flash across the screen from right to left before the screen becomes normal again. Now the power light even goes out upon turning on my computer and I have to unplug the video cord and plug it back in to start the screen back up which even takes longer.