Win10MonRefRate

f you're experiencing monitor issues because of the refresh rate configuration, use these steps to set the most accurate rate:

   Open Settings.
   Click on System.
   Click on Display.

   Click the Advanced display settings link.

   Click the Display adapter properties for Display 1 link.

   Quick Tip: Alongside resolution, bit depth, and color format, in this page, you can also see the refresh rate currently set on your monitor.
   Click the Monitor tab.

   Under "Monitor Settings," use the drop-down menu to select the refresh rate you wish.

   Click the Apply button.
   Click the OK button.

Once you've completed the steps, the monitor should start using the new refresh rate that you've applied.

The rates you can select will always depend on the monitor, graphics adapter, and resolution your device is using.

See Full Page With Images: https://www.windowscentral.com/how-change-monitor-refresh-rate-windows-10