设置面板中缺少声音设置。我尝试使用命令从终端启动它gnome 控制中心:
我已经安装了 gnome-control-center：
#sudo apt-get install gnome-control-center
Reading package lists... Done
Building dependency tree
Reading state information... Done
gnome-control-center is already the newest version (1:3.18.2-1ubuntu6).
0 upgraded, 0 newly installed, 0 to remove and 9 not upgraded.
valeriy@valeriy-HP-ProBook-450-G5 ~ $
当我从控制台启动 gnome-control-center 声音时，我收到以下消息：
# gnome-control-center sound
** (gnome-control-center:11036): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ljc9eyj0jN: Connection refused
** (gnome-control-center:11036): WARNING **: Ignoring launcher landscape-client-settings (missing desktop file)
** (gnome-control-center:11036): WARNING **: Ignoring launcher language-selector (missing desktop file)
** (gnome-control-center:11036): WARNING **: Ignoring launcher software-properties-gtk (missing desktop file)
** (gnome-control-center:11036): WARNING **: Ignoring launcher ubuntuone-installer (missing desktop file)
** (gnome-control-center:11036): WARNING **: Could not find settings panel "sound"`
- 我得到一个带有设置的 GUI 窗口，但没有声音设置图标：
