centos7.4安装英伟达显卡驱动，系统启动失败

报错:"Oh no! Something has gone wrong. A problem has ocurred and the system can’t recover. 问题出现原因：安装英伟达NVIDIA k80s显卡驱动，未关闭桌面显示模式，导致gnome桌面损坏 问题处理： 空格返回； ctrl+alt+F2 进入安全模式，执行yum upgrade命令。更新gnome相关程序包即可

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