Configuration and Testing

Performance and Stability Guide

In-depth guide about how to fix the game's lackluster performance, display issues and alt-tabbing. Covers topics such as DXVK, framerate limiting, display modes, lag and HDR. It may seem overwhelming at first, but it is highly recommended to follow it all the way through for the best possible performance and stabililty.

Custom INI

In this step we will take advantage of JIP LN NVSE's FalloutCustom.ini feature to improve performance and stability without affecting the main INIs.

1. Make sure the Blue Moon profile is active.
2. Click the button at the top of MO2 and select INI Editor.
3. Select the FalloutCustom.ini tab, which should be blank.

Make sure you are in the FalloutCustom.ini tab and NOT the Custom.ini tab.

4. Paste in the following:
[Audio] ; Enables additional worker thread for minor performance improvement. Disable if you encounter audio stutter. bMultiThreadAudio=1 ; Disables debug logging to save memory and CPU time bUseAudioDebugInformation=0 ; Increases memory buffers to reduce audio issues iAudioCacheSize=8192 iMaxSizeForCachedSound=1024 [BackgroundLoad] ; Forces cell unload on fast travel to lessen memory usage bSelectivePurgeUnusedOnFastTravel=1 ; Reduces stutter when loading multiple NPCs bBackgroundLoadLipFiles=1 [Controls] ; Disables mouse acceleration fForegroundMouseAccelBase=0 fForegroundMouseAccelTop=0 fForegroundMouseBase=0 fForegroundMouseMult=0 [Display] ; Enables Fullscreen mode bFull Screen=1 ; Forces highest texture quality so the game won't crash if you had it set to anything lower iTexMipMapSkip=0 ; World FOV fDefaultWorldFOV=75.0000 ; 1st person FOV fDefault1stPersonFOV=55.0000 ; Pip-Boy and terminal FOV fPipboy1stPersonFOV=47.0 [General] ; Forces faster cell unload to lessen memory usage bPreemptivelyUnloadCells=1 ; Enables multithreaded AI iNumHWThreads=3 [Grass] ; Increases grass draw distance fGrassStartFadeDistance=11200 [PipBoy] ; Fixes flicker when opening Pip-Boy when its light is on fLightEffectFadeDuration=400 [TerrainManager] ; Increases the maximum distance of LOD fBlockLoadDistanceLow=100000 fBlockLoadDistance=250000 [SpeedTree] ; Makes flora use the full objects instead of LOD to negate pop-in bForceFullLOD=1

It is highly recommended to avoid changing any other INI settings not in the guide and to avoid using tools like BethINI. You will realistically not need any other tweaks than the ones already in the guide.

Testing Utilities & NVSE Plugins

1. Restart your PC (otherwise some plugins will print out 0).
2. Launch the game using the New Vegas option in MO2 (not the NVSE option).

3. If you see a black console window appear, it means NVHR is working.
• If not, NVHR is installed incorrectly.
4. Once the game has reached the main menu, hit the ~ key (above the tab key) to open the console.
• You will need to unplug/disconnect any controllers to be able to use the keyboard.
5. Enter GetNVSEVersion and the console should print NVSE version: 6
• If not, xNVSE is installed incorrectly.
6. Next, enter GetIsLAA and the console should print GetIsLAA >> 2
• If it prints >> 0, then the 4GB Patch was applied incorrectly.
• If it prints an error message, then JIP LN NVSE is installed incorrectly.
7. Next, enter GetINISetting "iNumHWThreads:General" and the console should print INISetting iNumHWThreads:General >> 3
• If not, then the Tweaking FalloutCustom.ini step was done incorrectly.
8. Next, enter IsDLLLoaded CrashLogger and the console should print IsDLLLoaded "CrashLogger.dll" >> 1
• If not, then Crash Logger is installed incorrectly.
9. Next, enter IsDLLLoaded NVTF and the console should print IsDLLLoaded "nvtf.dll" >> 1
• If not, then NVTF is installed incorrectly.
10. Lastly, enter IsDLLLoaded mlf and the console should print IsDLLLoaded "mlf.dll" >> 1
• If not, then Mod Limit Fix is installed incorrectly.