我跑了：
unity --reset
并得到：
WARNING: Unity currently default profile, so switching to metacity while resetting the values
(metacity:3086): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(metacity:3086): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(metacity:3086): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(metacity:3086): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
Checking if settings need to be migrated ...no
Checking if internal files need to be migrated ...no
Backend : gconf
Integration : true
Profile : unity
Adding plugins
Skipping upgrade com.canonical.unity.unity.01.upgrade
Skipping upgrade com.canonical.unity.unity.02.upgrade
Initializing core options...done
Initializing bailer options...done
Initializing detection options...done
Initializing composite options...done
Xlib: extension "GLX" missing on display ":0".
Xlib: extension "GLX" missing on display ":0".
Xlib: extension "GLX" missing on display ":0".
Compiz (opengl) - Fatal: glXCreateContext failed
Compiz (bailer) - Info: Ensuring a shell for your session
abdurahim@abdu-1:~$
(metacity:3151): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(metacity:3151): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(metacity:3151): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(metacity:3151): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
在返回到提示之前。
答案1
从表面上看，似乎您的 3D 支持未启用。
您可以尝试以下方法：
- 重新启动系统。
- 运行
jockey-gtk并安装您的卡的驱动程序。 - 确保已安装所有更新。