Graphic corruption problem

[VII07x]

Ok guys, I need your input on this as I'm freaking out a little bit. As of lately, I've been seeing some graphical corruption either in windows, or when playing games. It happens at times, but I can't figure out a pattern. It started when I connected a new Benq PD2700Q to my setup (2K), while having my old 1920x1200 HP 2558hc also connected. I never experienced this when I had my old 17" Sony connected, though that was some time ago. At first I thought it might be because I had the Benq connected via Displayport and the HP via HDMI, but it happens even with both connected via HDMI. Only happens in the BENQ though. So, what are your thoughts on this? Is my new Benq defective? Or is the graphics card frying? I feel like it might be the graphics card, but...

The photo: https://drive.google.com/open?id=1orM0d-h-w4S0f3GDMjMvqDeChCHKm-wf

Thank you

 

[hang-the-9]

If this only happens on the single monitor, that points to either the monitor or the port the monitor is on. Did you test the same port and cable on the other screen? Did you check with Benq support of the video card support?