[SOLVED] New Build won't post

Feb 10, 2019
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My build doesn't post.
I've assembled a pc but can't get to the BIOS set-up.
I've ran through Tomshardware guide of steps to take for troubleshooting a new build. I haven't tried taking any steps with the PSU and haven't done so since I have no experience in that area and feel comfortable enough to skip that step since the systems leds and fan do turn on. Other than that I've checked multiple times all other steps. I'm hoping that it is not a dead Mobo. I can't hear any bips since I don't have the proper speakers for the board so I can't be sure.

CPU: Ryzen 7 2700x
Mobo: Asus Prime X470-pro
RAM:G.SKILL 2x8GB
SSD:samsung 970 evo
PSU: Capstone rosewill 750 watt
Graphics card: evga geforce 8400 gs


I apologize if I've missed anything or if the post is too vague, it is my first time posting. I appreciate any help, I've no idea what else to do.