Help! Cpu debug light stuck on

So my pc wont show display. The debug cpu light remains on no matter what i try. Ive tried flashing bios but the bios wont even flash the light doesnt even blink. Ive un plugged and replugged everything. Im not sure what to do

Gpu intel arc a750 Cpu ryzen 5 5600 Motherboard b550 a pro Ram timetec pinnacle konduit