Black screen when watching full screen you tube videos. Happens when the video swaps to full screen adds. Black screen, Display reset, sometimes resolution swaps to a lower one. High Airflow Collermaster H500P Mesh case keeps GPU cool, so temp isn't the issue. No issues prev with Nvidia GTX960.
WIN10 64
GIGABYTE 6600XT EAGLE 8GB
R9 5900XT
ASUS TUF x570 PLUS GAMIMG MOBO
CORSAIR RM850X power supply