Question / Help 60 fps or 1440p resolution is shutting down my PC

[exha]

Hello, when I start streaming or recording a video on 60fps or 1440 p or both, my Pc just shut down. Even when I dont play any game just recording my desktop. Can someone please help me? This is my build. I have 100 mb dowload and 10 mb upload line and 3500 bitrate.

GIGABYTE AM4 AX370-Gaming 5 - AMD X370
GIGABYTE GeForce AORUS GTX 1080 Ti Xtreme Edition 11G, 11GB GDDR5X
Corsair Vengeance RGB LED 16GB (2x8GB) DDR4 2666
EVGA SuperNOVA 750 G3, 750W
AMD Ryzen 7 1700
NZXT Kraken X52
Dell S2716DG - LED monitor 27"