Question about Kogi l7eh-ta ko 17" Flat Panel LCD Monitor

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Kogi monitor will not go black when turned off

The monitor had been working fine until it was physically moved. Now it cycles from all red to all blue to all green.

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  • kattykoi Jan 20, 2008

    1. The screen is a solid color, no images.
    2. Yes
    3. Yes
    4. No
    5. Tapping does nothing

  • kattykoi Jan 22, 2008

    I have since found that the pattern on my screen is the factory set screen test pattern. It that helps, let me know. Otherwise it totally beyond me to take anything apart, much less a compter or monitor so thanks very much.



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Please provide me some answers to the following questions in order to provide a better solution. Also this questions may help you to better understand the nature of this problem.

1. Can you see an image on you screen? (even if it's distorded and shown only in one of these colors or randomly)
2. Does the monitor cycles these colors normally when it's not connected to a pc in order to make a self test?
3. Is the video cable properly connected to the computer and the video card is firmly attached to the motherboard?
4. Can you test the monitor using another pc?
5. Does light taps on the side of the monitor's casing change the pattern of the color cycling problem?

If these tips doesn't help, please provide some answers to these questions and I'll try to help you with some ways to fix the problem based on it's description.

Posted on Jan 20, 2008

  • Motoi  Bogdan
    Motoi Bogdan Jan 21, 2008

    Ok, thanks for the info. Next you should try to check if your computer makes one beep when you turn it on and you see (and hear some hard disk activity). If it doesn't do that there may be a problem with your video card. Normally the bios would signal this by making one short beep followed by 2 longer ones, during the boot-up process. If your computer doesn't do any of these, you may assume that the video card is working properly. In order to be 100% sure of this, you may want to reset the bios by removing the battery (also short circuit the pins on it's slot while it's removed) and the atx power cable from the motherboard. if you need more info on this please ask. Now regarding the monitor itself, the problem is somewhere along the signal cable (video cable) or inside it's casing on the signal processing board. Troubleshooting this may require you to dissasemble the monitor. Even if the signal cable itself is damaged, replacing it would need the monitor to be dissasembled if that cable is umplugable from it's back end. In order to avoid unnecesarry and complicated tests with the monitor, I recomand that you begin with the tests on your computer (the one i've mentioned before in this post). If they pass and the computer's main unit is ok, we will move the diagnostics to the monitor itself.

    The option of having another computer, laptop or compatible dvd player (one with a similar jack on it's back) would be recomandable in this stage.


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Bad cord on back try to wigle it by the plug in and by the screen it self

Posted on Jan 20, 2008


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