更新您的 NVIDIA 驱动程序.目前您的驱动程序仅支持 CUDA 6 或更低版本，并且您正在尝试使用 CUDA 7.0 工具包.

Update your NVIDIA driver. At the moment you have the driver which only supports CUDA 6 or lower, and you are trying to use the CUDA 7.0 toolkit with it.