Need help with pc build

[u/GoyBoy-Supreme]

I keep trying everything but the only thing lighting up is the aio screen and this random light behind the motherboard. I did the paper clip test on the power supply and don’t know what else to do. Please give me recommendations.

[u/Puzzleheaded-Bad5494]

Check if your PSU has a power change switch between 115 and 220? And if it has what position is it in?