How to make Hearthstone fullscreen on Mac and Windows [Solved]

Can’t make Hearthstone fullscreen on Mac or Windows? Keep reading to learn how you can play the game in true full screen mode on your computer.

Solution 1: Use Keyboard Shortcuts to make Hearthstone fullscreen

You can force any game into fullscreen mode with certain shortcuts on Windows PC and even Mac OS. For Hearthstone this is no different.

On Windows PC:

For Windows users, you can go fullscreen with 3 simple keyboard shortcuts. Not every game is compatible, but it works for a wide majority of titles. Open Hearthstone and try pressing these keys.

1. Press [F11] once.
2. Press [Alt] and [Enter] at the same time.
3. Hold [Fn] if your keyboard has a function key, then press [F11].

On MAC OS:

For Mac users, you can go fullscreen on Hearthstone with 3 simple keyboard shortcuts:

1. Tap on the green button on your top bar.
2. Press [Command] [Ctrl] [F] to go fullscreen.
3. Hold your function key [Fn] and press [F11].

Solution 2: Change Hearthstone’s in-game settings to Fullscreen

Hearthstone’s in-game options only allow for two modes: Fullscreen or Windowed mode. In this section, you’ll learn how to change those options along with your game resolution.

If you want to play in True Full Screen mode, do this.

1. Run game from Battle.net.
2. On the home screen, open [Options] by clicking the cogwheel icon in the bottom right corner.
3. Once in [Options], tick the Fullscreen option to cover your entire screen.

Additional Tip: How to check Your Recommended Resolution Settings

Setting the right resolution in Hearthstone will reduce blurriness, and bugs such as the game only being partially fullscreen after you check the [Fullscreen] option.

If you don’t know how to find the native resolution of your device, use this method.

Find Your Windows PC Native Resolution:

1. Right click an empty space on your desktop and select [Display settings].
2. Scroll down and find [Display resolution].
3. Click on the resolution setting to bring up a menu. Keep scrolling until you find a resolution that has a (Recommended) next to it.
4. Configure your PC to that resolution size if you aren’t already using it.
5. Select the same resolution for Hearthstone.

Find Your Mac OS Native Resolution:

1. Click on the Apple icon on the top left of your screen.
2. Select [About this Mac].
3. Now select [Display].
4. Find your current display settings under [Built-in Display].
5. Select the same resolution for Hearthstone.

Solution 3: Run Hearthstone in Compatibility Mode (Windows Only)

If the solutions above couldn’t help you go fullscreen, we recommend running the game in compatibility mode. This will also fix the unable to start game bug for Hearthstone and screen resolution issues. Unfortunately this is not an available troubleshoot for Mac users.

To do this you must locate Hearthstone’s program file and edit the properties.

1. Open Battle.Net.
2. Navigate to Hearthstone.
3. Next to the Play button, select the [Gear Icon] then choose [Show in explorer].
4. Now right click Hearthstone’s original game file and choose properties.
5. Tick the compatibility mode option and select [OK].

Solution 4: Update NVIDIA Control Panel or AMD Radeon Software and Turn Off GPU Scaling (Windows Only)

This option only exists for Windows users. Turning off GPU Scaling will fix stuttering, flickering, or partial full screen issues with Hearthstone.

Before you turn off GPU Scaling in your NVIDIA or AMD software, make sure you are updated to the latest version of your graphics drivers.

Steps to update / check your graphic drivers:

1. Search for [Device Manager] and open it.
2. Navigate to [Display adapters], double click to expand it, then select your driver.
3. Double click to open your driver’s [Properties].
4. Navigate to [Driver] and click on [Update Driver].
5. Choose the first option and wait for the results.

If an update is available, a setup will pop up. Otherwise, you are already on the latest version of your software. Keep reading to learn how to toggle your GPU Scaling settings.

Instructions for NVIDIA Control Panel

If your Windows PC uses an Nvidia graphics card, what you want to do is turn off NVIDIA’s scaling settings so it does not override your custom Hearthstone settings.

Toggle on High Performance Mode

1. After opening the NVIDIA Control Panel, select [3D Settings].
2. Under [Manage 3D Settings], click on the [Global Settings] tab.
3. Make your preferred Graphics Processor [High-performance NVIDIA processor].
4. Start Hearthstone and change your settings to fullscreen.

Adjust Scaling

1. Under [Display] on the left bar, find [Adjust desktop size and position].
2. After selecting it, take note of settings in the right bar. Set scaling to [No scaling].
3. Start Hearthstone and change your settings to fullscreen.

Instructions for AMD Radeon Software

For devices running on AMD graphics, right click your desktop and select [AMD Radeon Software] from the menu. From there, an interface will pop up, what you’ll want to do is disable the [GPU Scaling] option.

Follow these 3 steps:

1. Click on the gear icon on the top right, then navigate to the [Display] tab.
2. Once at the Display tab, click on GPU Scaling node to turn it off.
3. Start the game and try going fullscreen again, it should work this time.

Solution 5: Repair or Reinstall Hearthstone

If all the options above have not yielded any results, it’s possible your game files are corrupted. We’ll teach you how to repair your files, or you can opt to simply reinstall everything for a clean start.

Repair Hearthstone with Battle.Net

1. Open Battle.Net on desktop.
2. Find Hearthstone.
3. Next to the Play button, select the [Gear Icon] then choose [Scan and Repair].
4. Wait until repairs are done before starting Hearthstone again.

Reinstall Hearthstone with Windows App & Features

1. In your Windows Start Menu, search [Add or remove programs] and open it.
2. Search for Hearthstone and uninstall it.
3. Open Battle.Net on desktop and reinstall the game.

There you have it, 5 ways to go fullscreen in Hearthstone. If you also want to improve your framerate in game, check out how to improve your FPS for Hearthstone here.

For tips on how to make other games fullscreen, feel free to check out our other guides like how to make Runescape and Crossfire fullscreen to find other troubleshooting solutions. What you find may surprise you!