So things are working if you turn it off and on a time or two? That hardly qualifies as an issue that "needs help ASAP". Please use a title that is reflective of the actual nature of your issue.
Try feeding the monitor from your integrated graphics. You have HDMI on both your monitor and motherboard. See if that changes anything when you fire up a game.
Try feeding the monitor from your integrated graphics. You have HDMI on both your monitor and motherboard. See if that changes anything when you fire up a game.