Question AA and Shimmering issues

Apr 16, 2019
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Issue: Games are plagued with shimmering and low FPS problems aswell. AA doesn't seem to work properly. Can post videos of the issue if requested.

Hardware and software:
GTX 1080
Maximus VIII Hero
Intel 5600k
Windows 10 Professional
8gb DDR4 Ram
Samsung 860SSD

Solutions I've tried:
Replacing GPU
Switching PCIE slots
Driver updates And reinstallations
Switching from Hard Drive to SSD
Windows reinstallations
Tweaking with Nvidia Control Panel
Complete system wipes
Upgrading from windows 7 to 10
Changing monitors and HDMI cables



Sorry for any bad spelling or grammar. I'm tired and frustrated.