I got cuda working applying this patch: https://github.com/jscinoz/optimus-vfio-docs/commit/e1c4b842538c3c139ed38fc81fc8dd44801dc71e#diff-07806c0e73529290e2c11385f4c35af7 I extracted the BIOS from the Lenovo Update with this tool: https://github.com/coderobe/VBiosFinder Thanks :)