How liquid crystal display screen flash

I just bought a AOC distributors in the liquid crystal display that saw no problem, back home, plug in the flash on the display screen (as in cell phones interfere with the display next to the screen).(75 Hz resolution 1024 graphics cards did not I also got the host distributors that are normally liquid crystal display)

to replace you, your location, Very strong magnetic field, so there have been caused by a display of corrugated water, for other places to try, and if you can not display well.Is not your display around the magnetic field ah! You try degaussing.Put your display Next to the magnet is not like ah ..what is your card or not installed ..shows that the frequency or set too low a 1 …To show the 60hz
2.Graphics of the reasons