Hi Fird. I'm Greg, awarded MVP for eleven years, Volunteer Moderator, and Independent Advisor here to help you until this is resolved.
This is explained here and shows how to change the setting:
https://www.asus.com/my/support/FAQ/1044213/
https://nvidia.custhelp.com/app/answers/detail/...
https://www.nvidia.com/en-us/geforce/forums/dis...
I hope this helps. Based on what you report back I can answer any questions and may have other steps to perform.
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