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Heavy white lines accross the screen

The monitor has heavy horizontal white lines across the screen. The desktop behind the lines shows up in double. The problem would occur occasionally and currently it has this condition all the time with either the VGA or DVI cable. I've tried different cables, computers, video cards and nothing seems to cure the problem. The monitors is 5 years old. What should I do? my monitor displays heavy multi colored lines in the screen..i tried it on the other pc and it worked out normally..maybe the problem is inside my cpu(system case)..the multi colored lines is visible but the desktop and pictures are also visible..

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  • helen fegan Dec 20, 2008

    coloured lines accross my desk top can you help

  • Arcadian Duran
    Arcadian Duran May 11, 2010

    check for blown capacitors on video card or mother board



    also check the memory of the computer.



    the RAM could have gone bad.



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  • Master
  • 611 Answers

Change the ram and viedo card agian

Posted on Jun 07, 2008

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Try checking the monitor and monitor cord to make sure they are working properly. Try it on another computer and see if the lines are still there. If they are, then you will need a new monitor and if they are not, then you may need a new monitor port for your computer. You will need that checked by a professional to be sure. If you can, open the computer and check the connections from the monitor port to the motherboard and make sure they are ok.


To contact me, just re-post and I will try to answer any questions or comments immediatley.

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Carefully give your monitor a quick slap on the top or side, NOT like you would hit an assailent, but more like you would hit your brother if you were kidding around with him. If you get a positive outcome from the slap, you have located your problem.
I'm assuming a CRT type of monitor. Probably the monitor has either a bad connection inside it or is simply dying from old age. Vertical Deflection grids supply voltage so that screen stays full top to bottom. If the output of the VDG is abnormal or missing, you will experience the horizontal line across the screen.. Unlikely to be the video card on the computer, generally speaking intermintency is not a common problem with video adapters, not to say that it couldn't happen,

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I'm having problems with the Samsung 245BW. I bought the first one at Sam's Club and it developed some pixelation problems, i.e. blue and yellow horrizontal lines across the screen. I returned it to...


hi,
you can try this ,
check the monitor on the different wall outlet/ socket or check with different computer wheather it gives the same issue .. third option is check with both DVI and VGA ports differnetly.. please check wheather you are getting lines on the bios screen when u start the system because if you r getting lines on the BIOS screen (f1) then there is a issue with the monitor else issue with the video card ................try this ,if possible revert for the same issue

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THere are two possibilities
1. problem in mother board
2. problem in monitor

To make sure if possible connect your CPU to another monitor and see if all is fine. If the other monitor works fine, then your monitor has th problem
if the other monitor also has lines, then the mother board's video card has prob.

Also check the connection wire between the CPU and monitor that there is no loose contact or any cuts or damages in the wire

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