On Windows 10 and 11, you can use these steps to fix a second monitor not detected on your PC, and here's how.

Use the following fixes if your Windows computer crashes when plugging in a second monitor: Use another port of cable: Plug the cable connecting your monitor to your PC into another available port. If ...

Sometimes you just need a quick and easy way to connect a second monitor, without dealing with a whole new display. Apple's Sidecar feature lets you turn your iPad into a second display for the Mac, ...