Please perform the following steps:
1) Uninstall the Nvidia GPU driver using DDU (Display Driver Uninstaller)
2) Reinstall the Nvidia GPU driver from the Nvidia website
3) Make sure that you check the clean install box and if available install the physx driver
Display driver uninstaller download version 18.0.4.2 (or newer version if available)
https://www.wagnardsoft.com/
How to Use Display Driver Uninstaller to Uninstall any Installed Display Driver
https://www.sevenforums.com/tutorials/367109-display-driver-uninstaller-how-use.html
NVIDIA Driver Downloads
https://www.nvidia.com/download/index.aspx
4) Uninstall or uninstall and reinstall:
Riot Vanguard Riot Games, Inc.
5) Upgrade the BIOS: F51 > F62
https://www.gigabyte.com/us/Motherboard/B450M-DS3H-WIFI-rev-1x/support#support-dl-bios
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Propose as answer = answered the question
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