Have done that several times
Thing is, The fps spike thing wasn't happening when i had my 970,
On my 2070, sometimes it is (most of the time), sometimes it isn't.
The flickering thing looks like black rectangles? / black flickering, seems to happen when i'm using edge + a different video playback, i never use edge but yeah, i have noticed similar behavior with my own videos on the computer.
But what's the chances this is due to the current driver just not working correctly and having to wait for a newer version, extremely paranoid that my RTX may be defective.
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If my card is having graphical glitches (black/green flickers) during playing Edge videos and Windows media player videos what does this indicate? Seems fine during chrome, other than the fps stuff, which i think is sorted since i turned off hardware acceleration for chrome and restarted the pc.
Also Dark Souls 3 in fullscreen is fine now but in windowed flickers mad, i think it's an issue with Gsync windowed?
Anyway, The flickering makes me think of artifacting but as i've said multiple times, I'm unsure if this could be driver related.