Why The Desktop Is Not Fullscreen, Computer Display Full Screen Problem Pc

Having a computer display that is not in fullscreen mode can be frustrating, as it limits your viewing area and may impact your productivity. Fortunately, there are several common reasons why the desktop is not fullscreen, and with a step-by-step solution, you can easily troubleshoot and resolve this problem. In this guide, we will explore the possible causes of the issue and provide a comprehensive solution to help you achieve a fullscreen display on your computer.

Step 1: Adjusting Display Settings:

The first step is to check and adjust the display settings on your computer. Follow these steps:

1. Right-click on an empty area of your desktop and select "Display settings" from the context menu.

2. In the Display settings window, locate the "Scale and layout" section.

3. Ensure that the "Change the size of text, apps, and other items" slider is set to 100%. If not, adjust it to 100% and check if the fullscreen issue is resolved.

4. Additionally, ensure that the "Resolution" dropdown menu is set to the recommended resolution for your display. If not, select the recommended resolution and check if it resolves the issue.

Step 2: Update Graphics Drivers:

Outdated or incompatible graphics drivers can sometimes cause display-related issues. To update your graphics drivers, follow these steps:

1. Press the Windows key + X and select "Device Manager" from the menu.

2. In the Device Manager window, expand the "Display adapters" category.

3. Right-click on your graphics card and select "Update driver."

4. Choose the option to search automatically for updated driver software. Windows will search online for the latest driver and install it if available.

5. After the update process completes, restart your computer and check if the fullscreen problem persists.

Step 3: Check for Third-Party Applications:

Certain third-party applications, especially those related to graphics and display settings, can interfere with fullscreen functionality. To identify and resolve this issue, follow these steps:

1. Press Ctrl + Shift + Esc to open the Task Manager.

2. In the Task Manager window, go to the "Processes" or "Details" tab.

3. Look for any applications or processes that may be causing conflicts. Examples include graphics card control panels, screen recorders, or display enhancement tools.

4. Right-click on the identified process/application and select "End task" or "End process."

5. Once you've closed the conflicting application, try maximizing a window or using a fullscreen application to check if the issue is resolved.

Step 4: Disable Display Scaling in Compatibility Settings:

Windows provides a compatibility setting called "Display Scaling" that can affect fullscreen behavior. Disabling this setting can potentially resolve the issue. Here's how:

1. Locate the application or program that is not displaying in fullscreen properly.

2. Right-click on the application's shortcut or executable file and select "Properties."

3. In the Properties window, go to the "Compatibility" tab.

4. Check the box that says "Disable display scaling on high DPI settings."

5. Click "Apply" and then "OK."

6. Launch the application again and check if it now displays in fullscreen correctly.


Experiencing a non-fullscreen desktop on your computer can be bothersome, but by following the step-by-step solutions outlined in this guide, you should be able to troubleshoot and resolve the issue. Remember to adjust display settings, update graphics drivers, check for conflicting third-party applications, and disable display scaling where necessary. By taking these steps, you can regain the fullscreen functionality and enhance your overall computer experience.

Certainly! Here are a few additional steps you can take to further troubleshoot and resolve the desktop fullscreen issue:

Step 5: Run a System File Checker Scan:

System file corruption can sometimes lead to display problems. Running a System File Checker (SFC) scan can help identify and repair any corrupted system files. Follow these steps:

1. Press the Windows key and type "Command Prompt" (or "cmd").

2. Right-click on "Command Prompt" and select "Run as administrator."

3. In the Command Prompt window, type the following command and press Enter: `sfc /scannow`

4. The scan will now begin, and Windows will automatically repair any corrupted system files it detects.

5. After the scan completes, restart your computer and check if the fullscreen issue is resolved.

Step 6: Disable Overlays or Game Bar:

Windows 10 has a feature called the Game Bar, which includes overlays and can sometimes interfere with fullscreen functionality. To disable overlays or the Game Bar, follow these steps:

1. Press the Windows key + I to open the Settings app.

2. Go to "Gaming" and select the "Game Bar" tab.

3. Toggle off the "Record game clips, screenshots, and broadcast using Game Bar" option.

4. Additionally, navigate to the "Captures" tab and toggle off the "Record in the background while I'm playing a game" option.

5. Close the Settings app and check if the fullscreen problem persists.

Step 7: Check for Malware or Viruses:

Malware or viruses can sometimes cause display issues on your computer. Perform a thorough scan using your preferred antivirus software to check for any malicious programs. Follow the instructions provided by your antivirus software to scan your system for malware or viruses and remove any threats that are detected. Once the scan is complete, restart your computer and check if the fullscreen problem is resolved.

Step 8: Create a New User Profile:

If the issue persists, creating a new user profile can help determine if the problem is specific to your user account. Follow these steps to create a new user profile:

1. Press the Windows key + I to open the Settings app.

2. Go to "Accounts" and select the "Family & other users" tab.

3. Under "Other users," click on "Add someone else to this PC."

4. Follow the on-screen instructions to create a new user profile.

5. Log in to the newly created user account and check if the desktop displays in fullscreen mode without any issues.

If the fullscreen problem is resolved in the new user profile, it indicates that there may be an issue with your original user account settings. You can then consider migrating your files and settings to the new user profile or continue using the new profile.

Remember to restart your computer after applying each solution to ensure that any changes take effect. By following these additional steps, you can further troubleshoot and resolve the desktop fullscreen issue on your computer.

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