Most of the time it is the driver issue that causes the issue of the second monitor not working after the update. If the Second monitor not displaying in Windows 11/10 after Windows Update, NVIDIA ...

I have a samsung u32j590 monitor which is a 32' 4k monitor that I bought last year. It had worked good with no issues. Now today when I power it on, it shows in the top left corner Displayport as ...

What are you expecting the "Use this device as my primary monitor" option to do, exactly? It's always worked as expected for me (moved all of my icons and taskbar to the primary monitor, as well as ...