Quantum G1100 router Port Forwarding Nightmare

[FizzlePK]

Okay. I've tried EVERYTHING. I've Reset my router, Factory reset my router, Changed my IP, Created a static IP, Tried in DMZ mode, Reset my computer, Released and Renewed my IP, created firewall rules, disabled my firewall, uninstalled my antivirus, and tried all these steps on another computer. but nothing I have done has gotten the ports to appear open. They remain stubbornly closed and I cannot fathom why. The inital act of getting into the router and adding the ports on my firewall is simple, but I just doesn't work. Except for ONCE, I worked for about a day when I toggled the UPnP settings in advanced settings. After that It went back to remaining closed and hasn't been able to work since. I'm at my ends rope here. Is my only solution replacing the router? Because I think I'm losing it.

[CRobGauth]

Can you provide some more details?

What ports are you trying to forward?

Can you post an example of a forwarding rule you tried?

[FizzlePK]

Origionally, I tried to foward 25565 on TCP and UDP, but I've also tested 7777 with both TCP and UDP, and 27015 on UDP. None of them worked, unfortunetly.
Here's an Example: 

[FizzlePK]

I'm not sure what on earth is happening, but I got a whole new router and set up the G1100 as a bridge to see if this would combat the issue, and I STILL cannot port foward.