For diagnosis, start with ray tracing and Frame Generation off, a supported DLSS or FSR quality mode, medium shadows and reflections, and a frame cap your system can hold. Once one repeatable route is stable, raise one setting at a time.
Do this first
- Confirm the game is installed on an SSD and fully updated.
- Disable hardware ray tracing and Frame Generation for the first test.
- Use DLSS/FSR Quality at 1080p or 1440p; lower the mode only if needed.
- Set shadows and reflections to Medium, keep textures within VRAM, and cap FPS to a stable target.
- Run the same route after each single change.
A baseline, not a universal preset
Published settings guides disagree on Frame Generation, and user results vary widely by GPU and driver. A diagnostic preset is meant to reduce variables, not promise maximum FPS on every machine.
Settings to change first
Ray tracing, reflections and shadows are reasonable first reductions. Texture quality should follow available VRAM rather than a generic Low setting. Upscaling mode should match resolution and image tolerance.
- Hardware ray tracing: Off while diagnosing
- Frame Generation: Off while diagnosing
- Shadows: Medium
- Reflections: Medium
- Textures: High only when VRAM headroom is adequate
- Motion blur and film effects: preference, not a crash fix
If lowering settings does nothing
If Low and High hitch in the same places, stop changing everything. Update, verify files, check the known-issues post and follow the NVIDIA shader-cache procedure only when your symptoms match. Record frame-time behavior rather than relying only on average FPS.
Evidence log
Sources checked
External sources are linked for verification. Community reports describe symptoms and are not treated as universal fixes.
PlatformMortal Shell II on SteamOfficial minimum PC and SSD requirements.
↗ReportingBest graphics settingsIndependent launch-build performance baseline.
↗OfficialNVIDIA shader-cache troubleshootingCurrent NVIDIA-specific troubleshooting and caution.
↗Found a build mismatch?
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