Hi all and sorry for my english. I bought before 5 months a gaming pc. Specs gtx1080 msi ryzen 5 1600 asrock fatality x370 gaming x ram corsair 16gb rmx 650 and monitor pg279q 165hz. My pc works fine but before 2 months ago i have micro stuttering in all games.. fps no matter .. i m really dissapointment i tried many troubleshooting like pc format clean uninstall drivers disable gaming mode and many changes in nvidia control panel. I tested my system with unigine benchmark ,3d mark and scores is normal. Sorry for my english again and i hope someone helps me . I m really sad