Dead Motherboard?

[Zdos123]

I recently changed out my AM4 motherboard for a b350 board (Asrock B350 pro 4) as my old one (MSI AB350m gaming pro) doaed, i then put my cpu (R5 1500x) into it, didn't work, so i RMAed it and it was found to be faulty, i bought a new CPU (R5 1600x) and the fans spun up bread boarded, i turned it off at the back of the power supply and i tried shorting it out (the front panel connectors) and it didn't succeed at doing anything, so i got more than the dead CPU, but then i got nothing, it was working fine when i turned it on the first time, it was stable i got into the bios, and now nothing. The PSU (Corsair TX-650m) is good as i have tested it in another computer, And the symptoms are no responses whatsoever, short power switch nothing, these where the same symptons as the first doa motherboard, except it did manage to at least spin up the cpu fan, unlike now and before, Does anyone have any ideas on fixes, or which parts i should RMA, I suspect the Motherboard, but i'm just curious as to why the fans spun up this time but not on the old motherboard which had the exact same symptoms except it never showed any sighs of life.

 

p.s. The old CPU and motherboard both where later discovered as being doa

 

Thank,

Zdos123

[Terixon]

so i only reply to say it is definitely the mobo i own the same asrock ab350m pro4 it worked fine untill i upgraded my ryzen 5 2400g with an radeon vega 64 and all i got as an answer was its your psu so i bought a new psu it arrived today installed it nothing happens its just like before fans spinning hard drive loading then stopping and there it is the best work asrock could have done hope i helped you but you will be maybe in a betterposition of swapping my psu buy hang my budget