How to Fix the “Once Human Not Launching” Issue on Windows?

Once Human is a post-apocalyptic open-world survival game. However, many players have reported issues with the Once Human not launching or getting stuck on the loading screen. If you encounter these issues, follow the troubleshooting steps below to resolve the issue.

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Fix 1: Run the Launcher as an Administrator

First, you can try to launch Once Human with admin rights or in compatibility mode. Here is how to do that:

1. Right-click Once Human in Steam Library and choose Manage > Browse local files to open the game installation folder.

2. Locate the game’s executable file and choose Run as administrator. Or, right-click on the .exe file and choose Properties, then check Run this program as an administrator and Run this program in compatibility mode for. Next, click Apply > OK.

Fix 2: Update Your Graphics Drivers

If the “Once Human not loading” issue still appears, you had better update your graphics drivers. Here is how to do that:

1. Type Device Manager in the Search box to open it.

2. Expand the Display adapters category and find the graphics driver.

3. Then right-click it to choose the Update driver option.

4. After that, you can choose the Search automatically for drivers option. If there is a newer update, it will be downloaded and installed automatically.

Fix 3: End Background Processes

Unnecessary tasks your system becomes laggy or slow, and the system resources will get slow. To fix the “Once Human not launching” issue, you had better end the background process on your system.

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

2. Go to the Processes tab and select the task you want to close individually.

3. Then, click End Task to close it.

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Fix 4: Disable Overlays

In-game overlays can help you a lot while playing games, but they can sometimes cause different problems, including the “Once Human not launching” issue. Therefore, if you use third-party overlays, you had better disable them.

Fix 5: Disable Steam Input

Many users report that disabling the Steam Input option can fix the “Once Human not loading” issue. Here are the steps:

1. Launch the Steam client and go to Library.

2. Right-click  Once Human to choose Controller.

3. Set OVERRIDE FOR Once Human to Disable Steam Input.

4. Finally, you should restart the game to check for the issue.

Fix 6: Disable DirectX 12

If you use DirectX 12 on the Windows PC, you can try turning it off. As the DirectX 12 version is the latest one available for Windows, it may not support your system. To turn it off:

1. Go to Settings > Video. Set Enable DX12 to Off.

2. Restart the Once Human game after applying changes.

Final Words

Now you know how to easily fix the “Once Human not launching” issue on Windows. You can try the above solutions one by one until the issue gets fixed. If all of these ways cannot work, contact the game support for help.