How screwed am I on Windows 11 PC?

Both CPU and GPU temps were normal. Computer turns on but no screen.

Specs :

PU - AMD Ryzen 7 7700X

CPU Cooler - Lian Li Galahad 240 AIO

Motherboard - MSI MAG B850 Tomahawk MAX WiFi

GPU - ZOTAG RTX 3070 Ti Gaming Trinity

Memory/RAM - VENGEANCE® 32GB (2x16GB) DDR5 DRAM

Main/OS Drive - 2TB Kingston KG3000 M.2-2280

NVMe SSD

Operating System - Windows 11 Professional

Power Supply Unit - EVGA SuperNOVA GM 850-watt 80 + gold rated, fully modular.