再次出现DT messaging system 错误？

[weixin_38065750]

今天刚加了一个硬盘，就出现登陆图形界面时间很长，接着就出现如下信息：
the DT messaging system could not be started
To correct the problem:
1.choose [ok] to return to the login screen.
2.select failsafe session from the login screen's option menu and login in.
3.check to see that the hostname is correct in these locations:
......