Alright, so I recently downloaded Gwent. I played it fine for an hour and then the next day when I start it up my PSU makes this VERY loud screeching type of noise and then my pc restarts. It doesn't do this in The Witcher 3 which is a much more demanding game I'm sure and PUBG. In the Witcher 3 though, there is some noise but it doesn't shut down and it isn't as loud. Should I look into buying a new PSU? I've had this one for 4 years it looks like. It's this one https://www.amazon.com/EVGA-SuperNOVA-Modular-Warranty-110-B1-0750-VR/dp/B00K85X23O/ref=sr_1_3?ie=UTF8&qid=1496341217&sr=8-3&keywords=evga+750w