so I decided to just put up with the lines, they were only lasting a few minutes but today the monitor stopped detecting a signal through freesync. I've tried
- changing freesync cable - still no signal detected and the cable works fine with my other monitor.
- using dvi-d to hdmi - had this cable around and the monitor works but only up to 1080p
- using dvi-d to dvi-d but although I can select 1440p res it looks awful. looking at he cable it might be a single link one (a block of pins are missing)
I will contact Overclockers support and see what they say. Anecdotally, looking at this thread, the monitor seems to be poorly made.
When i contacted Ocuk they told me ive to contact AOC.