Undertale is a fairly cheerful game but a lot of gamers are having issues when playing as they get stuck in the windowed mode and unable to play the game in fullscreen on the PC or have trouble figuring out how to make Undertale fullscreen?
This is quite frustrating but luckily there are ways to fix Undertale fullscreen not working problem. Here in this guide, we have managed to showcase the potential keyboard shortcuts that will help you to maximize the size of Undertale as per your computer, even if the fullscreen button is missing or greyed out on the window.
Here we have listed the steps for both Windows as well Mac OS, make sure to follow the commands as per your computer and force the game to open in fullscreen.
How to Make Undertale Fullscreen Windows 10, 8, 7?
The users who are playing Undertale on Windows PC/laptop, follow the below-given shortcuts and if one of these shortcuts won’t work for you then try the other options:
- Hit the F4 button – This is a functions key located at the top row of the keyboard and pressing the F4 key will maximize the window and make the game fullscreen.
- Hit FN + F4 keys – In some computers, the F4 key alone won’t work especially if you are using a laptop (HP laptops). So, here you need to press the FN or functions key generally located on the lower corner of the keyboard along with the F4 key.
- Hit ALT + ENTER keys – This is another powerful keyboard shortcut that makes the Undertake fullscreen on Windows. Pressing these two keys at the same time switches the windowed mode screen to fullscreen mode for some PC games as well as the Undertale.
This is pretty much easy to make the game in fullscreen in Windows OS. But if you are running the game in Mac OS and wondering how to make it fullscreen on Mac then run the below-given commands.
How to Make Undertale FullScreen MAC?
The MacBook Air or the Pro users try the below-given keyboard shortcuts or the commands to get the game in fullscreen mode.
- Hit CTRL + F4 keys – The MAC systems won’t have the ALT keys, so using the CTRL or control + F4 key works for you. Instead, you can also press the F4 key individually and see if this works for you.
So, in this way you can easily take up your Undertale from Windowed screen to full-screen mode easily.
Best Way to Optimize the Game Performance on Windows 10:
If your game is lagging or stuttering then optimize your gaming performance by running Game Booster.
This boosts the game by optimizing the system resources and offers better gameplay. Not only this, but it also fixes common game problems like lagging and low FPS issues.
Get Game Booster, to Get Better FPS Rate while Gaming
Conclusion:
So, this is all about how to make Undertale fullscreen on Windows and Mac OS.
Many users confirmed Undertale fullscreen not working and this common problem is reported by many users.
Anyways, here I had listed the working shortcuts to play Undertale in fullscreen on your operating system.
Make sure to follow the given tricks one by one and easily fix the problem.
Hope the article works for you, and if this works for you to make Undertale fullscreen then feel free to hit the like button on our Facebook page
Hardeep has always been a Windows lover ever since she got her hands on her first Windows XP PC. She has always been enthusiastic about technological stuff, especially Artificial Intelligence (AI) computing. Before joining PC Error Fix, she worked as a freelancer and worked on numerous technical projects.