Windows 10 Second Monitor Not Detected | How To Fix [Complete Guide]

A dual-monitor setup is the best thing a gamer can get; it enables them to take their gaming experience up a notch. It is also very liked by content creators, the dual-monitors lets them be more productive. The Windows 10 lets you quickly set a dual-monitor setup without any hassles. You can set multiple monitors to your system; you simply need to make sure that your graphics card has multiple video output ports.

How to Solve: Windows 10 second monitor not detected issue

Today, we’re going to attempt several methods of troubleshooting steps to resolve this issue. However, before starting this method, restart your computer first, so your system is refreshed and free of corrupt and temporary data, it might help our cause.

Change the Projection Mode

First things first, the most crucial step is to ensure that you have set the projection mode of Windows 10. Changing to projection mode allows your graphics card to control your second monitor. Follow these steps to set the projection mode in your Windows 10

• Hold the Windows key and press P to open Projection mode
• Choose between four different projection mode option
• PC screen only for single monitor use, Duplicate for multiple monitor use, Extend for multiple monitor use and Second screen only

Check to see whether the Windows 10 second monitor not detected issue has been solved or not

Turn OFF Computer and Monitor

Another way to solve the Windows 10 second monitor not detected issue is to refresh your whole system by turning off both your computer and monitor

• Turn OFF your Computer and Monitors
• Unplug all cables from your computer and monitors
• Unplug all cables that are used to connect your computer and monitors
• Now wait for a few minutes
• Now connect all the wires back
• Turn ON your computer and monitors

Check to see whether the Windows 10 second monitor not detected issue has been solved or not

Refresh the Display Adaptors

• Hold the Windows key and then R to open the Run box
• Type devmgmt.msc in the search box and press Enter
• Go to Display adaptor and select your graphic card
• Now right-click on your graphic card and click disable
• Now again right-click on your graphic card and click enable
• Reboot your computer
• Project your screen on the second monitor

Check to see whether the Windows 10 second monitor not detected issue has been solved or not

Refresh the Monitor Drivers

• Hold the Windows key and then R to open the Run box
• Type devmgmt.msc in the search box and press Enter
• Go to Monitors and select your monitor
• Now right-click on your monitor and click Uninstall
• Confirm your selection of uninstalling monitor
• Reboot your system
• Project your screen on the second monitor

Check to see whether the Windows 10 second monitor not detected issue has been solved or not

Turn ON multiple displays from Nvidia control panel

If you have installed an Nvidia graphics card in your system, try turning on the multiple screens setting from the Nvidia control panel

• Type NVIDIA Control Panel in the Start menu
• Open Nvidia Control Panel
• Select Display
• Now Click on Set UP multiple displays
• Choose the displays you wish to use
• Click Save after selecting the displays
• Reboot your computer

Check to see whether the Windows 10 second monitor not detected issue has been solved or not

Other Steps to Try

If none of the above tactics helped you, try using a different cable to connect your monitor and computer

• Try updating your graphics card driver
• Check to see that your motherboard is running on the latest BIOS version