Disabling a second monitor on Windows 11 is easy and can be done in just a few steps. You simply need to access the display settings, select the second monitor, and choose to either disconnect it or change its display mode. This guide will walk you through the process.
How to Disable Second Monitor on Windows 11
In this tutorial, we’ll guide you step-by-step on how to disable your second monitor on a Windows 11 system. Whether you’re looking to temporarily turn it off or make more permanent adjustments, follow these simple steps.
Step 1: Open Settings
First, you need to access the settings menu.
You can do this by clicking on the Start button and then selecting the gear icon, or simply pressing the Win + I keys together on your keyboard.
Step 2: Go to System
Next, navigate to the System section in the Settings menu.
Once you’re in settings, you’ll find a list of options on the left-hand side. Click on "System" to proceed.
Step 3: Select Display
After opening the System settings, find and click on "Display."
This will take you to the display settings where you can see all the monitors connected to your system.
Step 4: Identify Monitors
Locate the section that shows your monitors.
You’ll see a diagram or list of screens labeled as 1, 2, and so on. Identify which one is your second monitor.
Step 5: Change Display Settings
Click on the second monitor to select it.
A dropdown menu or additional options will appear. From here, choose "Disconnect this display" or change the display mode to "Show only on 1."
What Happens Next
After you complete these steps, your second monitor will either be disabled or its display settings will be adjusted. This means it will no longer show any content, and you can work solely on your main monitor. If you need to re-enable it, simply follow the steps in reverse.
Tips for Disabling Second Monitor on Windows 11
- Always save your work before changing display settings.
- Use the "Identify" button to make sure you’re selecting the right monitor.
- If you’re frequently switching between single and dual monitor setups, consider using keyboard shortcuts or creating a display profile.
- Remember, you can also change the primary monitor if needed.
- Restart your computer if the changes don’t take effect immediately.
Frequently Asked Questions
How do I re-enable my second monitor?
Just go back to the Display settings and change the display mode back to "Extend" or "Duplicate."
Will disabling my second monitor affect my computer’s performance?
Not significantly. It might even improve performance slightly since the system has fewer resources to manage.
Can I disable the second monitor temporarily?
Yes, you can disable it and re-enable it anytime through the same settings.
What if my second monitor doesn’t show up in the Display settings?
Try reconnecting the monitor or updating your graphics drivers.
How do I make my second monitor the primary monitor?
In the Display settings, drag the screen icons to rearrange them and check the box that says "Make this my main display."
Summary
- Open Settings.
- Go to System.
- Select Display.
- Identify Monitors.
- Change Display Settings.
Conclusion
Disabling a second monitor on Windows 11 is a straightforward process that can be completed in just a few minutes. Whether you’re looking to streamline your workspace, solve a technical issue, or simply focus on a single screen, following the steps outlined above will help you achieve your goal. Don’t forget to save any open work before making changes and use the tips provided to make the process even smoother.
If you found this guide helpful, why not explore other Windows 11 features and settings? There’s a lot more to discover that can enhance your computing experience.

Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.