Monitor gone with windows error

[Ozzin]

https://www.youtube.com/watch?v=AdNgYhgXKfQ my video link Guys now i have a problem my pc spec GTX960 i5 6600 msi z170 gaming m3 now when i open gta and other games 1 minute later monitör off but computer still open i m very bad now i must reboot every time

 

[rgd1101]

Need your full system spec, include make and model of the psu