I have recently purchased a PC with the specs listed below that has had an issue since I originally purchased it. When I am using it, occasionally both screens I use turn black and the fans in the PC ramp up to 100% speed which I can only get out of by holding the power button on the PC. It seems to happen under all types of load whether it's gaming or just watching videos on a browser. I have had it sent for repair 3 times under warranty and both times the only replacement I have been given is a swapped motherboard and the issue still has not been solved. I have tried using a different power outlet and a different surge protector as well as a different power cable and the issue still persists. This happens whether I have my GPU drivers installed or not, and I have wiped them using DDU multiple times as well as full wiped the PC. Please could anyone give me suggestions on what the issue may be.
Specifications:
AMD RYZEN 7 8300X3D
AMD B850 Motherboard
RTX 5080
32GB DDR5 RAM
Windows 11
2TB NVME
850w 80plus gold PSU
Just to mention the PC is a prebuilt, not custom