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PSU issue and need help


sunbin

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Hi everyone 

 

I'm in need of some help to identify what is my hardware prob here. 

 

I have a china x99 motherboard with xeon E5 cpu

Running unraid for months without any problem

 

Just last week, my flat had a power trip, after recovering the power supply to my flat. The unraid server is dead. I couldnt get it to boot. 

 

After some quick test, I suspect is the PSU that probably caused the power trip. I replaced the PSU with a new Seasonic PSU. While assembling back my server with the new PSU I have frequently test the PSU whether it is able to boot, and it worked. 

 

After I fully assembled the server, and turned the server on with a electrical monitor (attached). The server booted. But after I turn off the power and restart the server. The server is unable to boot. 

 

Similar test was done, and I suspect the PSU died again. 

 

The following components I'm suspecting could be the cause

 

- electricity monitor

- motherboard

 

May i know what is likely the cause? I lack the basic knowledge on hardware and electrical compoenents

 

What can cause a new PSU to breakdown this way? 

IMG_20230526_203217.jpg

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Sorry after dismantled the server right after I confirm that the new PSU is dead. 

 

Understand that it is vague without a video example. 

 

But can I find out if 

 

A electricity monitor can blow a PSU? 

A faulty motherboard can blow a PSU? 

A faulty graphic card can blow a PSU? 

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17 hours ago, sunbin said:

A electricity monitor can blow a PSU?

Very unlikely. The monitor only take reading and provide switch on off function.

 

17 hours ago, sunbin said:

A faulty motherboard can blow a PSU? 

A faulty graphic card can blow a PSU? 

All usually relate overload, but PSU have different kind protection, so also unlikely overload kill the PSU.

 

Any external fan controller use ? Any fan speed reduce adaptor use ?

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