Horizontal gray line on Benq Zowie XL2411 (only at 144hz)

[abadguy87]

I've been noticing in the past month several gray horizontal lines appearing on my screen. My monitor is plugged with DVI-D and after some tests I found out that I can barely notice them (but still present) when the display is at 120hz or 60hz, but they are very noticeable at 144hz. When plugging the monitor in HDMI (so max 60hz) there are no lines. Could this be a software problem? Here's an example

[mello]

Panel is faulty. You need to RMA it ASAP. It will only get worse over time.