ubuntu等开机卡在Starting Update UTMP about System Runlevel Changes

1-4想办法进入recovery 模式

5、输入root密码
6、执行sudo systemctl set-default multi-user.target
7、reboot
8、重启后在命令行界面执行sudo systemctl set-default graphical.target
9、再重启系统，系统就ok了

https://blog.csdn.net/Betterc5/article/details/89516992

原文链接：https://blog.csdn.net/cbszju/article/details/104115216