New build pc keeps powering down

Oct 12, 2018
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My new build pc shuts off during Windows install. It let's me stay in the bios as long as I want and let's me part install windows but then all of a sudden just completely powers off. Also at the moment I have a a6 9500 in the motherboard because of the raven ridge thing but I can't update bios till I get windows running as this is only pc I have access to

Please help as I bought all parts new and its just not fair

Ryzen 3 2200g
Ab 350 gigabyte
Corsair vengeance lpx
500watt psu game max

It l