本文转自:http://haveve.com/how-to-resolve-the-shutdown-not-working-issue-in-ubuntu/
这几天发现 Ubuntu 13.10 右上角的关机、重启、注销菜单点击都没了反应,虽然依然可以通过终端命令 poweroff、reboot 来实现,但这毕竟不太爽,于是 Google 了好久,才查出原来是 Cairo-Dock 引起的问题,只要设置了 Cairo-Dock 开启自启动,那三个键就会失效。解决方法如下:
1.编辑 /usr/lib/cairo-dock/cairo-dock-launcher-API-daemon ,64 位系统为 /usr/lib/x86_64-linux-gnu/cairo-dock/cairo-dock-launcher-API-daemon
sudo gedit /usr/lib/cairo-dock/cairo-dock-launcher-API-daemon
2.在第 33 行插入这行:如图1所示。
from time import sleep
![](https://img.laitimes.com/img/9ZDMuAjOiMmIsIjOiQnIsICOyIzNyITMwAzMwEDM1EDMy8CX0Vmbu4GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.jpg)
图1
3.在第 241 行插入这行:如图2所示。
sleep(5)
4.保存,重启即可
参考资料: http://askubuntu.com/questions/366623/shutdown-logout-restart-not-working-in-13-10