Fallout 76

Fallout 76

365 ratings
Ultimate F76 fixes (Frames, stutter, "molerat complex", no feet shadows and water fix)
By Jill sandwich
So are you getting a headache with all these problems? Let me make your life a bit easier, if you want F76 to run smoothly as F4 It is very simple.
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Ultimate F76 Fixes

Updated! 23/10/24


Version 1.10 on Nexus: New lines added for full compatibility + fixed depth of field.

Easy install solution in link below:

https://www.nexusmods.com/fallout76/mods/1174

It makes life easier. Enjoy 👍



Updated manual install guide! 23/10/24


New lines added for full compatibility + fixed depth of field.

First:
  • Go to Documents\My Games\Fallout 76, open Fallout76Prefs.ini search this lines and apply the values below:

[Display]
iMaxAnisotropy=14
fShadowDistance=3500.0000
fDirShadowDistance=3500.0000
iShadowMapResolution=2048
uiShadowFilter=3
uiOrthoShadowFilter=3
fBlendSplitDirShadow=48.0000
iMaxFocusShadows=0
iMaxDecalsPerFrame=10
iMaxSkinDecalsPerFrame=3
bVolumetricLightingEnable=0
bSAOEnable=0
uWaterShadowFilter=3
iVolumetricLightingTextureQuality=0
iSize H=1080
iSize W=1920
iLocation X=0
iLocation Y=0
bFull Screen=0
bBorderless=1
iGraphicPreset=0
fShadowBiasScale=1.0000
iDirShadowSplits=3
uShadowExpirationMS=5000
uPointLightShadowMapMaxResLog2=10
fTessFactorMaxDistanceScale=500.0000
fTessFactorMinDistanceScale=100.0000
flocalShadowMapHalveEveryXUnit=750.0000
fLeafAnimDampenDistEnd=4600.0000
fLeafAnimDampenDistStart=3600.0000
iMaxFocusShadowsDialogue=4
bComputeShaderDeferredTiledLighting=1
uFaceGenTextureResolution=1024
uPipboyTargetHeight=700
uPipboyTargetWidth=876
iTiledLightingMinLights=10
fRainOccProjRadiusRejectionSize=0.0100
fRainOccObjRejectionSize=100.0000
fSMProjRadiusRejectionSize=0.0200
fSMObjRejectionSize=250.0000
uSMObjRejectionSplit=2
bFadeInCulledGeometries=1
bEffectShaderAllowPBRShadows=1
sAntiAliasing=TAA
fDefaultWorldFOV=90.0000
iPresentInterval=1
bTopMostWindow=0
bMaximizeWindow=0
iAdapterOutputIndex=0
iAdapterIndex=0
sD3DDevice=
bAllowShadowcasterNPCLights=0
iScreenShotIndex=0
fMaxFocusShadowMapDistance=450.0000
bAutoScrollPipboyItemStats=0
uiShowCorpseHighlighting=2
bShowOtherPlayersNames=1
fConversationHistorySize=4.0000
fDepthOfField_v1=0.2816
bEnableGlassShader=1

[Decals]
bDecals=1
bSkinnedDecals=1
uMaxDecals=100
uMaxSkinDecals=35

[TerrainManager]
fBlockMaximumDistance=100000.0000
fBlockLevel2Distance=10000.0000
fBlockLevel1Distance=7000.0000
fBlockLevel0Distance=5000.0000
fTreeLoadDistance=3000.0000
fSplitDistanceMult=0.7500
bShowLODInEditor=0

[ImageSpace]
bDoDepthOfField=0
bMBEnable=0
bLensFlare=1
bScreenSpaceBokeh=1

[LightingShader]
bScreenSpaceReflections=1

[LOD]
fLODFadeOutMultActors=6.0750
fLODFadeOutMultItems=2.8750
fLODFadeOutMultObjects=4.5000
fLODFadeOutMultSkyCell=1.0000

[Grass]
fGrassStartFadeDistance=3500.0000
fGrassMaxStartFadeDistance=7000.0000
fGrassMinStartFadeDistance=3500.0000

[Water]
bUseWaterHiRes=1
bUseWaterDisplacements=1
bUseWaterRefractions=1
bUseWaterReflections=1
bUseWaterDepth=1

Choose wisely:
In [Texture]

For graphic cards with less than 6GB
Medium textures
For graphic cards with 6GB or more
High textures
For graphic cards with 8GB or more
Ultra textures
[Texture]
iLargeTextureArrayMipSkip=1
iTextureMipSkipBC1UNormSrgb=1
iTextureMipSkipBC3UNormSrgb=1
iTextureMipSkipBC1UNorm=1
iTextureMipSkipBC5SNorm=1
iTextureMipSkipBC4UNorm=1
iTextureMipSkipMinDimension=256
iLargeTextureArrayDim=1024
iTextureQualityLevel=1
iLargeTextureArrayCount=32
[Texture]
iLargeTextureArrayMipSkip=0
iTextureMipSkipBC1UNormSrgb=1
iTextureMipSkipBC3UNormSrgb=1
iTextureMipSkipBC1UNorm=1
iTextureMipSkipBC5SNorm=1
iTextureMipSkipBC4UNorm=1
iTextureMipSkipMinDimension=1024
iLargeTextureArrayDim=2048
iTextureQualityLevel=2
iLargeTextureArrayCount=32
[Texture]
iLargeTextureArrayMipSkip=0
iTextureMipSkipBC1UNormSrgb=0
iTextureMipSkipBC3UNormSrgb=0
iTextureMipSkipBC1UNorm=0
iTextureMipSkipBC5SNorm=0
iTextureMipSkipBC4UNorm=0
iTextureMipSkipMinDimension=1024
iLargeTextureArrayDim=2048
iTextureQualityLevel=3
iLargeTextureArrayCount=32

[Weather]
iRainOcclusionMapResolution=512

[Enlighten]
fBounceQuality=0.0000
bComputeRadiosityOnlyCubeMaps=1
bEnableDirectionalIrradiance=1

[Culling]
bMultiThreadedLODCulling=1

[Particles]
iMaxDesired=750


Final Step:
  • Save the file. Don't check read only if you want to customize setting in-game!

  • If you want to unlock fps by disabling Vsync you can edit the line "iPresentInterval=1" inside the ini file and change the 1 with a 0.

  • If you unlock fps make sure to cap your frames with your graphic card software to whatever you desire after that because you will face engine bugs. In short if you can't move your character (know engine bug for unlocking frames) then lower down the fps cap.

You are ready to play!


IMPORTANT NOTE:
  • You can also change your resolution in-game, and you can touch most setting in-game besides the obvious that will override my settings like shadows, textures, lights etc..

EXTRA NOTE: (If you want to enable some SFX again)
  • If you don't like effects like Sao, Volumetric lighting disabled or you think you can handle that, you can enable them again but this are very demanding effects specially volumetric lightning. It can be enabled by changing this lines from 0 to this values:

bVolumetricLightingEnable=1 (high perfomance impact)

iVolumetricLightingTextureQuality=1 or 2 for better quality (high perfomance impact)

bSAOEnable=1 (medium perfomance impact)

For old hardware users:
  • If you really need more frames or lack enough memory on your graphic card besides using medium textures you can also put shadows in 1K, but note that shadows will look really ugly, you are advised. If needed then change the line iShadowMapResolution to this value below:

iShadowMapResolution=1024



AMD users "molerat complex" bug, aka character sink on terrain

  • To fix this its also very simple just go to your Radeon settings sofware go to Fallout 76 profile scroll down and in tesellation select "override" and pick x16 option. ENJOY





I did this changes based on my F4 settings and hours of testing in fallout 76, this not only removes drops but also gives a huge gain in frames without losing visual quality, from 49 fps to more than 100 was my gain and i only have a modest RX 480 with 8GB, so give it a try :)




Enjoy
126 Comments
Jill sandwich  [author] 27 Jul @ 11:49am 
It should, unless they break the config again. Can't say for sure cause i don't play anymore and I have to redownload the whole game to test it..

I been doing that by the way the last couple of updates, redownloading, testing, and updating just for the people but Im having a hard time lately.. it's been a terrible year and goes on here were i live, both emotionally and financially.. so if i get any better and my config really needs an update again maybe I will update when the storm pass.

Sorry to get emotional but i needed to say that.. you asked if it still works, just copy and paste the ini file and see if it does, if not then you can delete it and the game will generate default settings again :yayzombie:
starjett07 27 Jul @ 12:56am 
still works?
Zealous Heart 💜 21 Mar @ 6:59am 
Not sure if this is just not valid anymore, but enabling these absolutely tanked my performance. Might just be one or two lines that just don't work with all the updates
Jill sandwich  [author] 15 Aug, 2024 @ 12:14pm 
@Ragna Probably 1 means activated thats why in 2 it doesn't change anything. Some settings instead of quality are either activated or off. As of what those lines do, it gives better performance reducing the quality of far away textures (mipmaps). In ultra its turned off with "0" so you get the better quality there without any reduced size.

Glad my config help you by the way, and yeah if you mess too much with the settings bugs like invisible waters and some other stuff can happen, you are mostly free to test my values with higher ones though, but less values will very likely give you bugs, since i tested my ini settings to be the minimun possible required to avoid bugs like that one you mentioned and similar.
Ragna 15 Aug, 2024 @ 10:52am 
i just tested how ugly i can make the game lowerig setting for fun and for some reason when i put ShadowDistance and dirshadowDistance less tan 3k the water just gone xD

anyways amazig guide. thanks

also i noticed the "low texture settings" almost every texture the "1" in setting is a "2" but if i icrease the texture resolution it looks the same with the "1" the settings, any idea what does that number do?

iLargeTextureArrayMipSkip=2
iTextureMipSkipBC1UNormSrgb=2
iTextureMipSkipBC3UNormSrgb=2
iTextureMipSkipBC1UNorm=2
iTextureMipSkipBC5SNorm=2
iTextureMipSkipBC4UNorm=2
KUZYXD 23 Jun, 2024 @ 7:07am 
@Velonex said: "I have a 3080. After replacing my ini with yours I can no longer move my character."

It because you got 160+ fps. You need to cap it to 120-144, you can test it at your own.
T.Farmer 27 May, 2024 @ 12:38am 
just wondering when you say high end pcs is it the highest quality it can go?
Appleshark 19 May, 2024 @ 8:43am 
I was using everything on low and had 60-70 fps outside of the vault. When using this, it went to 170+ fps. Incredible!
Synthydy 17 May, 2024 @ 12:57am 
I have tried all of these including messing with the nividia settings but still get a significant stutter and frame drop with cell loading. has anyone found a fix for this
🔥 foxy demonic aura 🔥 27 Apr, 2024 @ 1:41pm 
I would add a section about changing anti-aliasing in this as well.