Right-click Fallout4Prefs.ini, click Properties, and check the “Read Only” box, then apply your settings.įallout 4 will no longer be able to modify game settings at startup, so you'll need to make the file writable again (reverse step 9) in order to change resolution, shadows, or any other settings. Change iPresentInterval=1 to iPresentInterval=0.ĩ. This should only happen if you've been here before, otherwise it's writable.Ħ. Right-click Fallout4Prefs.ini, click Properties, and ensure that the file is not presently set to read-only. Create a backup of Fallout4Prefs.ini (copy/paste locally)ĥ.
Navigate to \My Documents\My Games\Fallout4\.Ĥ. Close the menu items and click “Exit” to quit Fallout 4 completely.ģ. These steps will fix two Fallout 4 issues: A “laggy” mouse that resembles acceleration or smoothing and the locked 60FPS cap.Ģ.
