New Ryzen PC Build Asus ROG Strix B350- F Boot Issues

Feb 28, 2018
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I’ve built a new pc with a ryzen 7 1700x and I’m having issues booting. The parts are

Asus ROG Strix B350-F motherboard
Ryzen 7 1700x
Cooler Master MasterLiquid 120 RGB
16GB G.Skill Trident Z RGB 3200 MHz
EVGA GTX 1060
Some 128GB SSD and 3TB HDD

I had issues with the previous EVGA power supply and replaced it with an 850 Watt fully modular one from Seasonic and the machine booted to the bios for the first time. I went to update the bios and had the file on a USB drive. As I was updating the bios, before even installing an OS, the machine was running but the screen went black and I left it like this and came back to someone having turned the computer off. I tried turning it back on and there is a red light on in the boot issue section and I think it’s the CPU light. Is there any way to fix this? I’ve reset the CMOS multiple times and no luck there.