Flashing black lines on second monitor.


  1. CoreyLowe
    Posts : 83
    Windows 7 Ultimate x64
       New #1

    Flashing black lines on second monitor.


    Okay so i have a problem thats gone on for the past month and its really starting to get on my nerves, My second monitor start getting black flashing lines and the whole screen kinda flashes too, it happens when a game loads, or when i highlight something, or when i watch a movie, Etc. Sometimes it even just randomly does it. Anyone have any ideas?
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  3. richc46
    Posts : 17,796
    Windows 10, Home Clean Install
       New #2

    CoreyLowe said:
    Okay so i have a problem thats gone on for the past month and its really starting to get on my nerves, My second monitor start getting black flashing lines and the whole screen kinda flashes too, it happens when a game loads, or when i highlight something, or when i watch a movie, Etc. Sometimes it even just randomly does it. Anyone have any ideas?
    Maybe the first place to check is the device manager, for updated drives.

    The second might be the event viewer, to see if any problems are reported.

    Third might be perfomance monitor in the control panel under adminstrative tools.

    Can it actually be the monitor?
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  4. CoreyLowe
    Posts : 83
    Windows 7 Ultimate x64
    Thread Starter
       New #3

    It could be =/ Though i truly hope not.
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  6. richc46
    Posts : 17,796
    Windows 10, Home Clean Install
       New #4

    CoreyLowe said:
    It could be =/ Though i truly hope not.
    Well most likely it is software, the source of most of the problems, reported here. Check out the areas that I outlined, then we can see where we should go next.
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  7. DocBrown
    Posts : 9,606
    Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
       New #5

    What make & model of monitor? Does it have a menu button on the monitor to change the refresh rate ?
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  8. CoreyLowe
    Posts : 83
    Windows 7 Ultimate x64
    Thread Starter
       New #6

    monitor is in my spec its a polyview v17d and no my pc controls its refresh rate, ive tried, 60,70,75. Should i force one?
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