我正在运行 Ubuntu 16.04.1，并尝试启动 GUI。我安装了 ubuntu-desktop 和 xorg 并重新启动，但 GUI 未加载。我输入startx并收到消息：
X.Org X Server 1.18.4
Release Date: 2016-07-19
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.13.0-95-generic x86_64 Ubuntu
Current Operating System: Linux tinzors 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:42:33 UTC 2016 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-38-generic root=UUID=d39864c2-d249-4a0c-b885-5c72ef360b3f ro console=tty1 root=LABEL=DOROOT notsc clocksource=kvm-clock net.ifnames=0
Build Date: 14 September 2016 03:33:24PM
xorg-server 2:1.18.4-0ubuntu0.1 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.33.6
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.1.log", Time: Wed Oct 12 16:50:09 2016
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
...但没有出现桌面 GUI..有人可以帮忙吗？
提前致谢！