If you're running a non-standard FPGA — RDMA, ZDMA, or custom firmware like Particle or Ditto — Windows won't detect your card with the default leechcore.dll that ships with the loader. You need to replace it with the one your firmware vendor provided.
1. Launch the product once from the loader so C:\PureDMA\ exists and leechcore.dll is installed. 2. Close the loader completely (quit from the tray — don't just close the window). 3. Open C:\PureDMA\ in Explorer and replace leechcore.dll with the custom one for your firmware. Keep the filename exactly leechcore.dll. 4. Open the loader, log in, and click Launch again. The product will detect your DMA card automatically.
If C:\PureDMA\ doesn't contain leechcore.dll, launch once from the loader first — the file is installed on first launch, not on download.