External monitor greyed out after changing refresh rate

[Nick G94]

I modified the refresh rate for an external monitor connected via HDMI from a W11 laptop, and as a result the monitor is no longer available to Extend or Duplicate my display. I can still use the monitor perfectly fine when selecting "Show only on 2" but it will not extend and when checking the display adapter properties when using it on it's own it lists the refresh rate as 60Hz. When I attempt to select "extend" or "duplicate" for the monitor it simply defaults back to "show only on 1". When it defaults back to "show only on 1" the external monitor is greyed out, as are all settings for this

Continue reading...