pc reboot

Hello Guys, I have recently built a pc with the following parts: EVGA SC GTX 1060 6Gb i3 7100 8 GB 2400 Ram HDPLEX 160w 240w Dell Brick Windows 10 During normal usage my PC works fine, if I play game (dying light or Metro last light) using the highest setting, my PC reboot on it's own. I...