我尝试访问“设置->显示”，但出现附加错误。例如，“设置->显示”对话框确实闪烁...
另外，当我尝试“系统托盘”时它可以工作，但没有办法添加另一个显示。
我的操作系统：
nov25-1@nov251-desktop:~$ uname -a
Linux nov251-desktop 6.2.0-34-generic #34~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 7 13:12:03 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
nov25-1@nov251-desktop:~$ sudo gnome-control-center display
(gnome-control-center:12619): dconf-WARNING **: 14:29:48.815: failed to commit changes to dconf: Failed to execute child process “dbus-launch” (No such file or directory)
(gnome-control-center:12619): dconf-WARNING **: 14:29:49.372: failed to commit changes to dconf: Failed to execute child process “dbus-launch” (No such file or directory)
(gnome-control-center:12619): display-cc-panel-WARNING **: 14:29:49.725: failed to connect to g-s-d: (null)
(gnome-control-center:12619): display-cc-panel-WARNING **: 14:29:49.725: failed to connect to g-s-d: (null)
(gnome-control-center:12619): display-cc-panel-WARNING **: 14:29:49.725: Failed to get session bus: Failed to execute child process “dbus-launch” (No such file or directory)
(gnome-control-center:12619): display-cc-panel-WARNING **: 14:29:49.725: Failed to contact gnome-shell: (null)
Segmentation fault
nov25-1@nov251-desktop:~$