Ghost horizontal flickering lines

help theres a horizontal flickering lines up and down in my screen you can see it clearly in dark background or gray i test my lcd in my netbook and theres no problem idk if its my mobo asrock g41m-vs3.

at first i thought its my videocard but its not >.< because i tried using my mobo onboard and theres still flickering line >.<
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More about ghost horizontal flickering lines
  1. Try a different cable, if it is still the same it must be your monitor.
  2. i tried a different cable theres still flickering lines idk if is the cable again but i tried connecting my netbook to my lcd using vga cable and theres no flickering lines >.<
    is it my lcd?
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