RX 480 with latest crimson. I can be playing games that use less than 30-40% gpu d3d, and sometimes will get vsync stuck at 58.9 -59 fps... instead of 60 fps which is my refresh rate. I have a second monitor on intel hd3000. So annoying, I can close browser and all other apps and still it persists until reboot. What gives, windows 10 is so buggy with this crap- and nothing seems to reset it. Maybe AMD dropped the ball with this last catalyst??