在华为笔记本 MateBook 13 （MX250）上配置yolo-v3_tensorflow CUDA 所遇到的一些坑（cuda无法识别显卡）
首先，安装 visual studio 2015 是非常顺利的。
安装 cuda_9.0.176_win10.176 时遇到了一些问题，这是安装之前：
笔记本内置的显卡（显卡型号为MX250）驱动为 419.72（25.21.14.1972），要安装的新版本驱动为 385.54，降级了，后来显示问安装是否要继续：
This graphics driver could not find compatible graphics hardware. You
may continue installation, but you may not be able to run CUDA
applications with this driver. This may occur with graphics hardware
that is newer than this toolkit. In that case, it is suggested that
you keep your existing driver and install the remaining portions of
the CUDA Toolkit.