Question PC does not Power On

Jul 30, 2020
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Hello everyone, I am posting this here because it is the closest topic to the issue I am having. I don't know if it is the PSU.

I recently upgraded some components on my pc: mother board, psu , case, fans. Rest of the components are the same I was using.

I finished putting together the pc and when I went to turn on, nothing happens. I think it might be a bad psu, but want to make sure.

I took it apart this morning and the motherboard cable was disconnected. I plugged it in, went back to turn on and the only thing that changed is that rgd quickly flashes the first time you try to turn on, then when you press the power button nothing happens.

That is all I get, a quick flash one time and nothing else.

Any ideas?