Question about Sceptre DCL 7A 17" Flat Panel LCD Monitor

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Problems with monitor

I have had this monitor for just over a year. The problem that I have is that the display can look fine for a bit and then all of the sudden it changes, colors are off, what was once white is yellowish or green and then it randomally changes back to normal. I use the auto adjust key but it does not fix the problem.

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  • leaann_427 May 24, 2008

    Other monitors work fine so I agree that it is probably the video interface. I am thinking that it may be cheaper to replace monitor than to have it repaired?

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Hi leaann_427,

Offhand, it could either be the video interface (most likely) internal to the monitor or the PC's Video Card (least likely). To determine/verify, try using another monitor.

Should it be the video interface, chances are that it is heat related and/or leaky capacitors. The monitor has to be opened up and the internal circuitry checked. This of course would require that you be familiar with electronic circuitry and components, use of a DVM and possibly a soldering iron. Should you be uncomfortable with a DIY, then perhaps your best bet would be to seek the services of a qualified professional.

If it were the latter (video card), then it could be a matter of cleaning the pins at the bottom edge of the card with a pencil eraser. Additionally, a clean/new paint paintbrush may be used on the card itself to remove the accumulated dust. Should your PC be using a built-in video, then you would have to do the cleaning on the memory of the PC.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.


Posted on May 24, 2008

  • Louie  Role
    Louie Role May 24, 2008

    Hi again,

    Am afraid you are right. Not only in terms of $$ but likewise the time element. As it would seem that you would be asking a service shop to do the repairs, then that will cost you both time and money. Often the repairs would take some time to diagnose, order the parts/replacement PCB, do the actual repairs plus applicable service fee which would make repairing the monitor no longer economically reasonable. There are monitors being sold around 100USD+


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1. Please check the signal cable connections; make sure it's tight and secure.
2. Please check if there is any missing / bent pin in the signal cable.
3. Please connect the monitor to a different computer to eliminate a possibility of video card (in your computer) problem.
4. try going into the menu on the monitor to find a degauss option it should work

Posted on May 24, 2008

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