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amdgpu-wddm is an open Windows (WDDM) driver stack for AMD GPUs. It is developed first on the ASRock BC-250
(AMD Cyan Skillfish APU, GFX 10.1.3, PCI device 1002:13FE). The project is not affiliated with AMD, ASRock
or Microsoft.
With this driver, Windows 11 draws the desktop on the BC-250 GPU, and Direct3D 12, Direct3D 11, Direct3D 9 and Vulkan programs run on the GPU. You do not need a second graphics card.
The driver is experimental. It is for people who want to test it on their own BC-250 and report what happens. It is not ready for daily use.
- Installation: the full installation guide in English.
- Troubleshooting: what to do when the screen stays dark, the device shows Code 43, or the installer stops.
- FAQ: short answers about the second graphics card, dual boot, anti-cheat, test mode and the Control application.
Get the newest package from the Releases page: click
Assets under the newest release to open its list of files, and download amdgpu-wddm-tester-<version>.zip.
Installation, step 4, shows each click.
Each package contains the kernel-mode driver, the user-mode drivers, the installer and amdgpu-wddm Control.
Install the three of them from one package. Do not mix the files of two releases.
Open an issue at github.com/D-Ogi/amdgpu-wddm/issues. Troubleshooting says which files to attach.