This is the most common culprit. RE Engine is highly efficient, but DX12 requires precise memory allocation. If a user selects "High" textures on a card with limited VRAM (e.g., an 8GB card running 4K with Ray Tracing), DirectX 12 does
Capcom has provided an official way to roll back to the pre-RT/DirectX 12 version. This is the most thorough method.
Under the tab, click Settings in the Performance section. Renderdevicedx12.cpp Fatal D3d Error Resident Evil 2
The "Renderdevicedx12.cpp Fatal D3D Error" is a formidable foe, but it's one you can now defeat. By methodically working through the solutions in this guide—starting with the foolproof switch to the —you are almost guaranteed to get your game back up and running.
Switch from "Full Screen" to "Borderless Window" in graphics settings. Enable Hardware Accelerated GPU Scheduling: This is the most common culprit
Corrupted or missing game files can cause all sorts of fatal errors.
How to Fix Resident Evil 2 "Renderdevicedx12.cpp" Fatal D3D Error This is the most thorough method
Edit the registry carefully.
Sometimes the error isn't DX12 itself, but a feature on top of it.
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Reduce if it is set to high (e.g., set it to Medium or High 2GB). Lower overall settings to prevent GPU voltage issues. 5. Disable Third-Party Overlays