PC not turning on - Troubleshooting and Next steps?

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23 Sep 2014
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358
Location
North West
Hello,

My PC was working fine, I went to get to food and when I came back it has crashed. RGB lights on, fans still spinning, but monitor on standby, no response on mouse or keyboard input. Tried restarting it by holding power button but no response, so I turned it off at the PSU and back on again.

However when I press the power button on the front of the case, I can hear two hard clicks from the PSU but then nothing. Interestingly the DuckyOne2SF RGB actually turns on which is connected by a USB.

So with this I'm thinking it might be the PSU that's died? So I disassemble the case the do the Paper Clip test but the PSU passes, the PSU fan spins up.

I now only hook up the ATX power and CPU power cables to the motherboard but again the PSU clicks twice and the PSU fan fails to spin.

And this is where I am up to.

I am now thinking it's likely the motherboard that's died or possibly the RAM?

What would you do next? Should I straight up RMA the motherboard or maybe get another stick of RAM just to make sure it isn't that?

Specs:

* AMD Ryzen 7 3700x
* Gigabyte Aorus x570 ITX
* AData DDR4 VLP 2666MHz C19 @ 3200MHz
* Alpenfohn Black Ridge with Noctua A12x15
* WD SN850 1TB
* WD SN550 1TB
* Corsair SF750 Plat
* Asus RX 5700 reference cooler
 
That's a modular PSU. So check that the cables are firmly plugged in on the PSU.

Do the motherboard test outside of the case.
 
That's a modular PSU. So check that the cables are firmly plugged in on the PSU.

Do the motherboard test outside of the case.

I double checked the cables were firmly in.

Technical there isn't much of a case. But I will take off the motherboard mounting tray too when I test it.

I also think I have an old PSU at my folks so I will have a try of that too.

Will keep you posted.
 
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