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Find file Fallout4Prefs.ini then open it by using Notepad. First, you open File Explorer and navigate to: In order to fix this, you need to make some changes to the file name Fallout4Prefs.ini Many Windows 10 users have reported that Fallout 4 does not run in full-screen mode but, the game runs great in windowed mode. Repeat steps 4-7 for Fallout4Launcher.exe Method 3. Next, you need to check Run as Administrator checkbox as well. Switch to Compatibility tab, you select Run this software in compatibility mode for and select Windows 7 from the list. Now you locate Fallout4.exe then right click it and click Properties Then you back to Local Files tab and select Browse Local Files. Go to Local files tab then click Verify Integrity of Game Cache button. If Fallout 4 still not launching, you can try method 2. I highly recommend you use this driver updater tool to automatically download all the outdated drivers on your computer. Lastly, restart your computer and check if the problem has resolved. Then you just install the drivers on your system. Then you can visit your graphic card manufacturer’s website and download the latest drivers for your graphic card. Wait until the uninstall process is completed. Run DDU to uninstall your display drivers.
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When the download is completed, you can start the process of driver updates. Before you start, I highly recommended you download Display Driver Uninstaller (also known as DDU) from this link.
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If Fallout 4 doesn’t start on Windows 10, you should be able to update your display drivers. How to Fix Fallout 4 Not Launching / Black Screen / Crashing Problem on Windows 10 Method 1. Hence let’s see if there’s a method to fix this problem. If Fallout 4 is not launching properly from Steam, the screen goes black, sometimes a little loading circle pops up and nothing happens as it attempts to load or it plays the music but there’s screen. This tutorial will discuss “ Fallout 4 not launching” issue in Windows 10. Fallout 4 is an amazing game, but many Windows 10 users have reported problems with it.
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