Daedalusspacegames

I built myself a gaming PC about 6 months ago, having finally saved enough to afford the components. It's worked well until recently. The computer has had issues while trying to POST. I've tried everything I can think of, running only one stick of RAM, resetting BIOS, and so forth. The whole computer seems to be power cycling, no matter what I do. The lights on my GPU blink on and off. My hardware: https://pcpartpicker.com/user/Daedalusspacegames/saved/g84Ff7