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PSU troubleshooting

maade0064
By maade0064
in Power Supplies
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Posted

Im building a NAS/media server/homelab.

 

Specifications:

AMD Ryzen 7 5700G

ASUS ROG Strix B550-i

Crucial Ballistix 3200 2x16gb

be quite! System Power 9 CM 400W

 

Issue: Im trying to update bios using BIOS Flashback. I plugged in 20+4pin and 4+4pin connectors to motherboard and nothing happens. PSU fan doesnt spin up.

Is there any way to identify the problem?

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https://linustechtips.com/topic/1412182-psu-troubleshooting/
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Posted

You can make sure the PSU is at least not completely dead with the paperclip test.

https://www.silverstonetek.com/downloads/QA/PSU/PSU-Paper Clip-EN.pdf

 

That said, describe exactly how you're doing it. Are any LEDs on the motherboard lighting up? did you name the BIOS file correctly? I don't believe the PSU fan should spin up in this situation.

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https://linustechtips.com/topic/1412182-psu-troubleshooting/#findComment-15264411
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Posted

Try the paperclip test linked by Ronothan. That should give an idea if it's the PSU or something else (usually motherboard).

 

Also are you in a 230V country? That PSU only supports 200-240V so if you use it with less voltage (US for example) it won't work.

 

38 minutes ago, RONOTHAN## said:

I don't believe the PSU fan should spin up in this situation.

The fan doesn't have a 0 rpm mode, so it should spin as long as the PSU is supplying power.

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