Pc keeps randomly rebooting

[icabasicfr]

I recently built a new pc, the second day it keeps restarting and games keep randomly crashing. I mainly think its my psu, just wondering if I'm right.

Specs: 

AMD ryzen 5 7600

Asrock 620m Pro rs

Corsair Vengeance ddr5 23gb

Gigabyte eagle rx6600

gigabyte P550w 

EDIT: I recently ran some stress test and everything worked out fine. I guess fortnite was the problem. Also a way out but i did some research and its known to commonly crash

[Chapunna]

Maybe 550W cant handle that setup thats the reason why it crashes.

[icabasicfr]

57 minutes ago, Chapunna said:

Maybe 550W cant handle that setup thats the reason why it crashes.

It can, i stress tested both the cpu and gpu and it worked perfectly. I figured it out and it was the amd drivers...