Question NEW PC Help no power

[IllustriousTurtle]

I just built a new pc, plugged power in and all RGB turned in and then pressed power button all started up fine just the CPU light on mobo was red so unplugged it all and then plugged it all back in.
Now only the rgb on the back of the mobo are turning on, when I unplugged it all I noticed one of my cpu power cables was not plugged in properly and had come loose and wasn’t connect, but other than that no changes. Front panel also did work and now nothing.
I can upload photos if wanted of all my connections

I don’t know what to do or if I broke a component as it has been 6 years since my last build

CPU: AMD Ryzen 7 7700X 4.5 GHz 8-Core Processor
CPU Cooler: Cooler Master MasterLiquid ML360L ARGB V2 62 CFM Liquid CPU Cooler
Motherboard: ASRock X670E Steel Legend ATX AM5 Motherboard
Memory: Corsair Vengeance RGB 32 GB (2 x 16 GB) DDR5-6000 CL40 Memory
Storage: Kingston Fury Renegade 1 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive
Video Card: Gigabyte AERO OC GeForce RTX 4070 Ti 12 GB Video Card
Case: NZXT H9 Elite ATX Mid Tower Case
Power Supply: Corsair RM850 850 W 80+ Gold Certified Fully Modular ATX Power Supply

 

[Fix_that_Glitch]

Photos would be great to look at.

 

[IllustriousTurtle]

https://imgur.com/a/ZV2QAkT

View: https://imgur.com/a/ZV2QAkT

One thing I’m concerned about now is that I’m using one pcie cable for my gpu, should I have plugged 2?