I just got a XB281HK and upon using the display port input I'm finding that it will at least once an hour go black for a few seconds then return with the DP input logo in the centre as if it has had input cycled. I was using it with HDMI for a day before switching to DP and it was fine with that.
I'm running a GTX 1080 and I've tried disabling OD mode on the monitor which hasn't solved it. Switching to a different DP cable has also not helped. All my drivers are up to date.
I've seen that other people have posted about the same issue with no response. Any ideas about what could be causing this before I return it? Thanks