UPDATE: I fixed it!! It was the PSU.

So I just built my first PC in like 20 years. Everything was going fine, I was installing Windows and got to the network setup step and my wifi was having trouble staying connected. I figured it was because I hadn’t set up drivers yet, so I thought whatever, no problem, I’ll just move it by my router and plug in an ethernet cable.

So I powered off and moved it, and…dead. Nothing is happening when I hit the power button. No fans, no lights, nothing. I’ve made sure no cables got jiggled loose or anything. Maybe I shorted something somewhere on the motherboard? I can’t see anything without fully disassembling and having to rebuild it. I really don’t want to do that, but I guess I’ll have to unless I’m missing something obvious. I’ll test the PSU tomorrow but I doubt it’s that, these are all brand new parts.

Any ideas?

Specs:

AMD 7800X3D

ASRock B650E PG Riptide WiFi

Sapphire Nitro+ Radeon RX 7800 XT

2 x 16GB Crucial DDR5 RAM

Seasonic GX-850 PSU

    • @[email protected]OP
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      21 month ago

      I didn’t :(

      I admittedly haven’t had much time to mess with it, but I confirmed the PSU is working, so I suspect the motherboard is fried. Still need to confirm that before I order a new one, and figure out why it happened so I don’t do that again. I’m hoping my CPU is still fine.

      I really appreciate everyone’s suggestions, helped me narrow it down a bit

      • @[email protected]
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        31 month ago

        Dang! Best of luck getting it sorted. You might be able to return he mobo as defective if it was nothing you did to cause it.

      • @[email protected]
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        21 month ago

        Just because the PSU works on another system (or God forbid, those awful “testers”) doesn’t mean that it’s fine. PSUs tend to fail in weird, unpredictable ways

        • @[email protected]OP
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          11 month ago

          You were correct. PSUs be weird.

          I purposely went with Seasonic because I did not want to run into power supply issues, but here we are.

          Got a new one and am up and running