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Dell 18.0 monitor - vertical lines

I have a dell 18.0 monitor with a dimension 8300 system that has recently developed vertical lines on the monitor. had the monitor checked out, it's ok. took out and cleaned the video card, fan was dirty. replaced the display driver from one through dell support, no change. sometimes when i go on the internet, the lines disappear but they're always on the desktop. problem comes and goes, never really consistent all the time but always vert. lines. problem seemed to 1st appear after downloading mcafee antivirus through aol. uninstalled that, installed cyberdefender. have done all system maint-cookies, recy. bin, disc cleanup, defrag, cleaned hard drive, you name it. one time it was working ok for 2 hours then lines again.both cooling fans in tower both working good. help if you can?? your help is much appreciated!

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  • thomthorn Feb 09, 2009

    I have the same problem. A new line appears about once a week.

  • Anonymous Feb 11, 2009

    I have same problem too.

  • Atul Bamne
    Atul Bamne May 11, 2010

    whether your monitor sometimes fell down?



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