Users often opt for a multi-monitor setup with two or more screens. Nevertheless, they might run into the “Windows 11 failing to recognize the second monitor” problem. If you’re dealing with this issue, you can refer to this article from MiniTool for potential solutions.

When attempting to use the second monitor on Windows 11, you may notice that Windows 11 isn't recognizing the second monitor. Continue reading this article to learn how to resolve the “Windows 11 not detecting second monitor” issue.

Solution 1: Restart Your Computer

Restarting your computer could potentially eliminate the “second monitor not recognized by Windows 11” error. While some users report that this is just a temporary fix, it's worth giving it a try. If the second monitor is detected on your Windows 11 after restarting, you won't need to attempt other fixes.

However, if the error reoccurs after several minutes, you should proceed with the following solutions to address the issue permanently.

Solution 2: Inspect the Monitor Connection

Next, verify whether there is an issue with the connection between your monitor and computer. A loose or damaged cable can cause the monitor to enter sleep mode when connected. Simply turn off the system, and then check the video cable and ports. Additionally, disconnect any external devices from your computer as they might interfere with the system.

Solution 3: Update the Graphics Driver

It’s crucial to ensure that you're using the most recent version of the graphics driver. Incompatibility, corruption, absence, or outdated drivers can lead to the “Windows 11 not detecting second monitor” issue. To resolve this, you need to update the driver.

Step 1: Open the Run dialog and type devmgmt.msc. Press Enter to access Device Manager.

Step 2: Double-click Display adapters to expand it. Then right-click your graphics card driver and select Update driver.

Step 3: In the pop-up window, you'll be prompted to choose how to search for drivers. Select Search automatically for updated driver software and follow the instructions to finish the process.

Solution 4: Reinstall the Graphics Driver

After upgrading to Windows 11, your drivers may become outdated. Therefore, you need to install compatible updates for the new system. This involves uninstalling and reinstalling the graphics drivers. Follow these steps:

Step 1: Open Device Manager, then navigate to Display adapters.

Step 2: Right-click your display adapter driver and choose Uninstall.

Step 3: Wait for the process to complete.

Step 4: Click the Action tab, and select Scan for hardware changes.

Subsequently, you can download the latest drivers directly from your manufacturer’s website.

Conclusion

In summary, this post has outlined four methods to fix the “Windows 11 not detecting second monitor” error. If you encounter this issue, try these solutions. If you have any alternative approaches, feel free to share them in the comments section.

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