链接在此：  Ubuntu20.04+GeForce RTX 2080 SUPER+cuda11.1+cudnn8.0.4+openCV4.4.0环境搭建 

出现的问题1： ubuntu20.04 安装libpng12-dev libpng12-0

出现的问题2：安装nvidia驱动后无法进入桌面/黑屏，  重启 ctrl+alt+f2进入命令行系统，备份后删除/etc/X11/xorg.conf文件   reboot即可。原因如下

在安装驱动过程中如果以下问题选择了：是

    Would you like to run the nvidia-xconfig utility to automatically update your X 
    configuration file so that the NVIDIA X driver will be used when you restart X? 
    Any pre-existing X configuration file will be backed up.
    Yes   No

出现的问题3.Could NOT find PythonLibs (missing: PYTHON_LIBRARIES PYTHON_INCLU