Windows Stuck on Boot Up

[LaserBoss]

Hello,

 

I went to power on my custom PC and it showed the ASUS logo/bios screen, then it showed the Windows logo and the spinning loading icon. I have been stuck on the spinning icon for a while, the windows logo is no longer on screen. My motherboard has a Q_Code LED indicator and it currently reads AO. I am assuming that there is really nothing I can do. I plan to just wait and hope that it resolves itself with enough time. Is that the right thing to do? Is this a serious problem? Below are the specs for my custom PC should it help.

 

Thank You

 

Component List:

1. Intel - Core i7-4790K 4.0GHz Quad-Core Processor
2. Asus - MAXIMUS VII HERO ATX LGA1150 Motherboard
3. Corsair - Dominator Platinum 16GB (2 x 8GB) DDR3-2400 Memory
4. NZXT - Kraken X52 Liquid CPU Cooler
5. Kingston - HyperX 3K 120GB 2.5" Solid State Drive
6. Samsung - 850 EVO-Series 500GB 2.5" Solid State Drive
7. Western Digital - BLACK SERIES 2TB 3.5" 7200RPM Internal Hard Drive
8. EVGA - GeForce GTX 1080 Ti 11GB SC2 HYBRID GAMING Video Card
9. Corsair - RM 750W 80+ Gold Certified Fully-Modular ATX Power Supply

 

[LaserBoss]

I was able to boot in safe mode, I backed up important files and data on an external storage device. Where do I go from here?