No post, please help!

May 19, 2018
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0
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Asus b350m-a
Ryzen 3 1200
Vengeance 2x8gb 3000mhz

Put everything together and it all lights up here the drives kick in (all blank) and then it just shuts down.

Using onboard video can't access any bios or post
(Tried delete, f1, f2 and f7)

Any suggestions?