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You said you did not have the network controller in your device manager but it is there but you uninstalled the driver most likely.

Please try reinstalling the driver

https://dlcdnets.asus.com/pub/ASUS/lan/Intel_LAN_Win7-8_8-1_VER185540.zip?model=RAMPAGE%20IV%20BLACK%20EDITION

You don't need to install it to see what it'll look like. I've give you a step by step guide:
1. Find (or take) a screenshot of the game with another computer
2. Copy said screenshot to the one with the wide screen monitor
3. Open the screenshot and zoom in far enough that the sides of the screenshot hit the side of the screen
4. Bask in the glory of the little sliver of AA you can see

PS:
It'll go from something like this:

To something glorious like this:

I agree with Engineer.
Fast shooting is detected indeed. We can see the average shots/second and based on that know if it's humanly possible. Temporary bans occur for these.

Windows 10 has Windows Firewall and Windows Defender antivir

1. Those issues aren't some "fake news". It's a real issue.
3. Most of the European countries are closing their borders. Italy, France and Spain started, Germany will follow soon.
2. The Fed just lowered the borrowing base rate to zero, and launched 700 billions spending on a quantitative easing program. On a Sunday evening. https://www.cnbc.com/2020/03/15/federal-reserve-cuts-rates-to-zero-and-launches-massive-700-billion-quantitative-easing-program.html