Fallout 76 fullscreen fix. . I say this to every optimization post: IpresentInterval=0 go to My games > fallout 76 > fallout76prefs. A lot of players have experienced problems where the game won’t launch at all after attempting to play it. Dex full screen issue. You need to use borderless window. Oct 11, 2022 · Fallout 76 now launches in forced windowed mode at 1080p and no matter what i try i can't get it into full screen let alone change any of the graphical settings. In the Fallout76. Go to Nvidia control panel. Open Fallout76Prefs. Learn how to fix display issues with Fallout 76 by adjusting DPI settings, video card drivers, and resolution.