Help! My Pc is struggling

[elicinthio]

I was just playing games yesterday when suddenly my screen shows no signal. Tried reinstalling nvidia drivers but still nothing. I've tried Cs:Go, Overwatch and Fortnite strangely Fortnite works! But nothing else does, I've tried different displays but still nothing. Awnsers would be appriciated. Now i can't even see anything when i boot the PC!! I could play CS and Overwatch for about 5 minutes before but now nothing shows... Please help!

 

[hang-the-9]

First need full system specs, including brand and model of the power supply. Could be a failing video card, overheating, power supply issue, maybe RAM.