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

An app called DisplayBuddy allows you to control the brightness of your external monitors through the system tray. Windows 11 does not support this functionality natively, though some monitor ...

Use the following fixes if the second monitor is on, but there is no display on Windows 11/10. First of all, try some basic fixes and see if they help you resolve the issue. Check your cable: First, ...

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 ...