Specs on build:
Ryzen 7 3700x
Aorus B450m mobo
16gb 2933 MHz ram
Gigabyte 5600 XT 6gb GPU
Alright, so no display at all on boot, GPU fans not spinning, DRAM and CPU status LEDs coming on (DRAM led in particular is constant).
Despite this, all other fans are spinning, including the CPU cooler...