monitor?

Guys, I need help with my graphics card. I was just watching a Youtube video when all of a sudden, the video output disappeared (see attached video). What do you think is the problem? CPU - A10-7870k OCed to 4.5 Ghz MOBO - a88xm-hd3 gigabyte RAM - Gskill 4gb x2 1600 mhz GPU - RX 570 Gigabyte...