Click OK. Open File Explorer on the taskbar. Go to C:\Riot Games\League of Legends\Game. Right-click League of Legends.exe. Click on Properties. Click on the Compatibility tab. Check “Disable Full Screen Optimizations”. Click OK.

There are other answers below:

A lower game resolution is the most common cause to consider each time League of Legends won’t go full screen. We’ve made a selection of the highest-rated options, and customizing the LoL Window Size is one of them. You should consider adjusting the LoL Windowed Mode as an efficient solution to solve your issue. If League of Legends won’t go full …

How Do I Make My League Of Legends Full Screen? Go to the Video tab by clicking the arrow next to it, then look in the top center. Click on the “Windowed Mode” dropdown menu. You will get a list of the first screen that you want to visit. Click on the dropdown. As soon as you are ready, the game will let you confirm.

Like with many other games, you can turn League of Legends from windowed to fullscreen mode by pressing alt plus enter simultaneously. This function can only be used while you’re in console window mode.

Let’s say you now want to get League of Legends out of fullscreen mode. That’s simple; all you have to do is make a change to the configuration file. Here’s how you can do that: Open up the LoL folder on your PC. The default location for League of Legends is C:\Riot Games\League of Legends.

I haven’t experience this before and I’m not sure what causes it but you could try forcing the window into fullscreen with wmctrl. (You need to install the “wmctrl” package) and then do wmctrl -r “League of Legends” -b toggle,maximized_horz,maximized_vert where -r is the window title, which I’m not a 100% sure about.

I never played LoL, but, according to a quick google search, there are two ways: Run the game in windowed mode, set the resolution so that it matches exactly your desktop resolution, then hide the window borders using ShiftWindow.

Step 1, Start the game. Press “Esc” to bring up the Settings window.Step 2, Click the “Video” tab. Select “Windowed” rather than “Fullscreen” or “Borderless.”Step 3, Resume play. You can toggle between fullscreen and windowed modes while playing by using the shortcut Alt+Enter.[2] X Research source

A quick tutorial that shows how to use the League of Legends client in fullscreen

  • Right-click the League of Legends icon
  • Click on Properties
  • Click on the Compatibility tab
  • Check “Disable Full Screen Optimizations”
  • Click OK
  • Open File Explorer on the taskbar
  • Go to “C:\Riot Games\League of Legends\RADS\solutions\lol_game_client_sln\releases\
  • Click into the latest game version folder
  • Right-click “League of Legends.exe”
  • Click on Properties
  • Click on the Compatibility tab
  • Check “Disable Full Screen Optimizations”
  • Click OK

Related Questions

How do you make League of Legends full screen on PC?

Press Alt + Enter Like with many other games, you can turn League of Legends from windowed to fullscreen mode by pressing alt plus enter simultaneously. This function can only be used while you’re in console window mode.

Why won’t League of legends go full screen?

A lower game resolution is the most common cause to consider each time League of Legends won’t go full screen. We’ve made a selection of the highest-rated options, and customizing the LoL Window Size is one of them. You should consider adjusting the LoL Windowed Mode as an efficient solution to solve your issue.

What is fullscreen mode in League of Legends?

Compared to windows mode, fullscreen mode is capable of boosting performance, which is a good thing. The downfall with running a game in fullscreen mode is that it will hinder your ability to access additional applications or monitors. The mouse cursor will be locked to whichever screen you’re playing League of Legends on.

How do I disable full screen optimization in League of Legends?

Sometimes it makes things worse, so here’s how you can disable full screen optimization: Click the “Gaming” option, which should prompt a window titled “Game bar” Uncheck “Show game bar when I play full screen games Microsoft has verified” If you want full screen optimization on for other applications, you can disable it for League only: