msi b450 tomahawk max ii

So I was playing Valorant yesterday and my PC suddenly restarted without any BSOD, just a black screen and then it restarted. Any ideas as to what is happening? Specs: Ryzen 5 3600X MSI B450 Tomahawk Max II Galax GTX 1050 Ti Corsair Vengeance Pro RGB 16GB 3600mhz CL18 XMP profile 1 FSP Hydro K...