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-SteamOS version : 3.8.3
Guide Date : 13/5/2026
-Tested on Steam Deck OLED
- Recommended Proton Version:
GE- PROTON 10-34
- set steam deck VRAM to 4GB insted of the default 2GB from the bios for more stable performance .
🔴 Required Decky Loader Plugins ( use specific versions ):
⚫️ DLSS ENABLER v 0.3.0
⚫️ DECKY-FRAMEGEN v 0.11.17
⚫️ VIBRANT DECK v2.0.1 ( optional for better visuals )
🟢 INSTALLATION STEPS :
1- patch the game with Decky-Framegen to unlock in game ((DLSS)) if for some reason it didn't get unlocked try to use dlss enabler plugin and patch the game with only optipatcher option selected .
2- 🔴 DISPLAY SETTINGS :
game window ( window )
Resoultion (1280X720 )
HDR ( off)
Refresh Rate (60hz)
🔴 GRAPHICS SETTINGS :
Motion Blur (0)
Upscaling ( DLSS)
AntiAliasing (off)
Vsync ( off)
Effects Quality ( low)
Textures Quality ( hightest)
Draw distance (low)
Fog Quality (low)
Folige Quality ( high)
Shadows Quality ( high)
Reflections ( low )
AmbientOcclusion ( high)
3- Replace the launch command with this one :
MANGOHUD_CONFIG=fps_limit=40,no_display mangohud ~/fgmod/fgmod %command%
4- set up steam deck
🔴 quick acsses menu :
Screen Frame Limit: 90 Hz
Disable Frame Limit: On
Allow Tearing: On
Half-rate Shading: Off
TDP Limit: Disabled
Scaling Mode: auto
Scaling Filter: liner
Manual gpu clock ( 1500)
5- set up 🔴 optiscaler 0.7.9 :
Upscaler : FSR 4.0.2
Model : 0
Sharpness override (0.902)
minimap bias :
calculate minimapbias ( ultra quality )
MB fixed override(on)
🟡 use this mode for slightly better visuals and hair :
make sure hidden folders option is on mod path :
Home/deck/steam/steam/steamapps/compatdata /1963210/pfx/drive_c/users/steamuser/appdata/local/valkryie_Elysium/saved/config/WindowsNoEditor
paste (gameusersettings.ini ) file there and make sure to make it read only
https://drive.google.com/file/d/1AaWmFZjbkGDGsKwx679yGqkG5PyUmiD9/view?usp=drivesdk
🟣 CONCLUSION :
stable locked 40fps with FSR4 supersampling
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when i was trying to learn how to record my steam deck gamplay via capturing card i couldnt find a clear easy to follow guide so i made one
🔴 HOW THEY SHOULD BE CONNECTED ?
capture cards HDMI input should come out from the dock to the capture card , HDMI input should come out from the capture card to the external monitor , TYPE C should come out from the capture card to the PC .
🔴 Steam deck desktop mode settings :
when the dock type c head get connected to the steam deck a pop up menu will shows up called ( switch to external display ) pick the middle option where two screens are activated .
then right click on the mouse and select
⚫ display configurations:
Device ( select the name of your capture card )
Enable (✅ )
Primary ( ✅ )
Resoultion (1920x1080p )
Orientation ( horizontal screen )
Refresh Rate (60 hz)
Replica of ( none)
Global Scalling (100%)
🔴 GAMING MODE SETTINGS :
unplug the steam deck from the dock first
the capture card wouldn't be able to capture steam deck screen by default to change that go to
⚫ DISPLAY SETTINGS :
External Display Safe Mode ( ✅ )
low resoultion will be selected automatically.
now PLUG BACK your steam deck the deck screen should show on OBS normally . now change the low resoultion to 1920x1080 with 60hz manually for better recording quality
⚫ GAMESCOPE 72 DISPLAY SCALING :
automatically set resoultion ( off)
Resoultion ( 1920x1080 60hz)
automatically scale usee interfere ( on)
automatically scale image ( on)
🔴 OBS SETTINGS :
when you open OBS on your PC add video capturing device and select your capture card name .
⚫ leave these options as they are :
deactivate
configure video
configure Crossbar
deactive when not showing
⚫ now change these :
Resolution/FPS Type: Change "Device Default" to Custom
Resolution: Select 1920x1080
FPS: Select 60.
Video Format: Select any
color space : Rec 709
color range : limited
Buffering : Disabled
flip vertically ( disabled)
apply rotation data from camera ( if any) : enabled
use hardware decoding when available : enabled
audio output mode ( capture audio only)
use custom audio device ( disabled )
hello everyone i wanna capture steam deck gamplay in both gaming mode and desktop mode with the ablity to add voice over via external microphone what the steam deck settings should I toggle and what OBS settings should I use ?
my capture card supports only 1080p 60fps or 4k 30fps
hello everyone i wanna capture steam deck gamplay in both gaming mode and desktop mode with the ablity to add voice over via external microphone what the steam deck settings should I toggle and what OBS settings should I use ?
my capture card supports only 1080p 60fps or 4k 30fps