League of Legends Black Screen When Alt-Tabbing

[Resolved] League of Legends Black Screen When Alt-Tabbing: Tips and Fixes

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League of Legends Black Screen When Alt-Tabbing – League of Legends, one of the most popular online multiplayer games, offers gamers a thrilling and competitive experience.

However, some players encounter an irritating issue when alt-tabbing out of the game – the dreaded black screen.

This black screen problem can disrupt multitasking and leave players frustrated.

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In this blog post, JonakyBlog will explore the potential reasons behind the “League of Legends black screen when alt-tabbing” issue and provide practical tips and fixes to help you resolve it and enhance your gaming experience.

Understanding the Black Screen Issue

When alt-tabbing out of League of Legends, some players may experience a black screen or a game that doesn’t return to the desktop as expected.


This issue can occur due to various reasons, such as GPU settings, fullscreen optimizations, or graphics driver conflicts.

Optimize In-Game Settings

Before diving into more complex solutions, start by optimizing the in-game settings:

#1. Windowed or Borderless Window

Switch to either windowed or borderless window mode in the game settings.

These modes generally provide smoother alt-tabbing experiences compared to fullscreen mode.

#2. Frame Rate Limit

Limit your FPS (frames per second) within the game settings. This can help alleviate potential conflicts during alt-tabbing.

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Update Graphics Drivers – League of Legends Black Screen When Alt-Tabbing


Outdated or faulty graphics drivers can cause conflicts when alt-tabbing.

Ensure your GPU drivers are up-to-date by visiting the manufacturer’s website and downloading the latest drivers.

Disable Fullscreen Optimizations

Windows 10 introduced fullscreen optimizations to enhance gaming performance, but it may not work perfectly with every game. To disable this feature for League of Legends:

  1. Right-click the game shortcut and select “Properties.”
  2. Navigate to the “Compatibility” tab and check “Disable fullscreen optimizations.”

Alt-Tab in Windowed Mode

If you prefer playing in fullscreen mode, try this workaround:

  1. Set the game to windowed mode.
  2. Use Alt-Enter to switch to fullscreen mode when you want to play, and Alt-Tab back to windowed mode when you need to access other applications.

Run League of Legends as Administrator

Running the game with administrative privileges can help resolve certain compatibility issues:

  1. Locate the game executable (usually “LeagueClient.exe” or “League of Legends.exe”).
  2. Right-click the executable and select “Run as administrator.”

Disable Third-Party Overlays

Certain third-party overlays, such as Discord or Nvidia GeForce Experience, may conflict with League of Legends when alt-tabbing.

Temporarily disable these overlays and test if the black screen issue persists.

Conclusion – League of Legends Black Screen When Alt-Tabbing

Encountering a black screen when alt-tabbing out of League of Legends can be a nuisance, but with these practical tips and fixes, you can resolve the issue and enjoy smoother multitasking during your gaming sessions.

Start by optimizing in-game settings, updating graphics drivers, and disabling fullscreen optimizations.

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If needed, try running the game in windowed mode or as an administrator. Remember that issues like these can vary between systems, so don’t hesitate to experiment with different solutions to find the one that works best for you.

Now, alt-tab with confidence and conquer the Rift without any interruptions!