I'm trying to see if I can fix this before I RMA this monitor on Monday. My monitor has an almost perfect uniform dimmed border. I have tried 3 different configurations: 2 different pc with supplied DP cable the monitor came with, and my cable box with an HDMI I had. I have also tried changing every setting in the OSD. Nothing helps besides FALD but doesn't eliminate the issue. I posted a link below, you may have to zoom in to see the issue. Please if you have any suggestions I'd gladly try them, thank you.

https://imgur.com/a/cFpclhA