El Foro

So ive tried to boot up games like portal stories mel, VR chat, portal reloaded and so on, and i get this exact same message each time. 'Failed to create D3D device.' Whats werid ist that portal 2 works fine. So whats going on. And can someone explain in the most simple way they can cause iaint an expert. also bonus question, does anyone know why apeture tag boots up fine but then crashes when trying to load into the game? Thanks!