Glad to hear you got it fixed Penns

I would help further, but I haven't ever had problems with Realtek audio this far before. Any other stuff is out of my comfort zone, and I don't want you to break your PC.

Hmm... Try uninstalling all realtek devices related to sound one by one. Right click a realtek sound device, then click uninstall device. If it asks you to restart, don't restart. Then, after you...

OK, so this happened to me on my laptop. It wanted to use the realtek drivers no matter what. Let me show you what to do.
Step 1. Open the start menu and type 'Device Manager' in the search bar....