U3415W, horizontal line flicker

Every half hour to two hours, there is a spark of the horizontal line on the screen. It is white or static (can't really say since it is and disappeared in a blink of an eye.) It didn't happen with my old monitor (a Dell 24 "a few years ago.). So far I have tried:

  • Different cables. Used two cables CDM DP, one cable of DP and two HDMI cables. This includes the cables in the box.
  • Plug the monitor into a different take of the surge protector, plug it into my ups and directly into the wall outlet.
  • Reinstalled my video card and ram.
  • Tried the last three versions of the nvidia drivers. The video card is a game of GTX970 of MSI.
  • Checked the integrated diagnosis of the monitor. There's no problem.

I can't try another video card because I don't have another card with display port or hdmi. I would like to have a video of this. It happens sporadically and not continuous, making it very difficult for me to get a video. Any ideas on what else can you do?

I'm not convinced that the monitor is at fault. But getting traded.

Tags: Dell Peripherals

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