I got a new R9 390 this week and replaced my 7970Ghz. I am having an issue where I see a flash that covers the entire screen with color, usually purple when alt tabbing out of a game, alt tabbing in, or exiting the the game. Never had this issue with my old card. I have tried the newest drivers, I have tried rolling back the drivers to the July build, nothing changes. What I have noticed is that VSR appears to effect it. When I run native 1080 the issue almost never happens and when it does it is a very thin line of color on the normal black screen. But when I bump the resolution up on the desk top to 1440 or 3k then the flash of color takes up the entire screen. This is not one game, but everyone I have tried. I also got a new ssd last week so did a clean install of 10 and it still did it. I'm trying to figure out if this is a VSR issue or a card issue or a non issue. Thanks.