On Windows 10 and 11, you can use these steps to fix a second monitor not detected on your PC, and here's how.
Choose an operating system screen missing on dual boot Windows computer. If Dual boot menu or Choose an operating system screen is missing or not showing on a dual-boot Windows 11/10, then restore it ...
Support for Windows 10 ends on Oct. 14, and not all PCs can be upgraded to Windows 11. Here's what you need to do.