我一直在运行 17.10,它是完全更新和最新的,并尝试升级到 18.04。我的系统应该完全有能力支持新的发行版,它是一个运行 nVidia GTX 550 显卡的四核 AMD 系统。(我也在上面运行 Windows 10,所有最新的升级,以及一个 Win 7 的副本,只是为了旧时光。)
我已经使用命令行(有和没有开发人员选项)和 GUI 方法尝试了多次,每次升级似乎都完美无缺,但最后,它重新启动到黑屏命令- 仅限行。它需要一个登录名和密码(我以前从未使用过,总是自动登录),然后告诉我“欢迎使用 Ubuntu 18.04 LTS”,以及一些进一步的信息,然后返回到命令提示符,否则仍然是黑色屏幕。
显然,这是一个问题,因此我已将其擦除并恢复到以前的版本(再次)。有人对出了什么问题有任何想法吗?升级后我的屏幕如何显示的全文如下:
Ubuntu 18.04 LTS BigBoy tty1 [NOTE: BigBoy is my computer's name, no laughing]
BigBoy login:dave
Password:
Welcome to Ubuntu 18.04 LTS (GNU/Linux 4.15.0-20-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https:ubuntu.com/advantage
* Meltdown, Spectre and Ubuntu: What are the attack vectors, how the fixes work,
and everything else you need to know -- https:ubu.one/u2know
0 packages can be updated
0 updates are security updates
You have packages from the Hardware Enablement Stack (HWE) installed that are going
out of support on 2016-08-04.
There is a graphics stack installed on this system. An upgrade to a configuration
supported for the full lifetime of the LTS will become available on 2016-07-21 and
can be installed by running "update manager" in the Dash.
The programs included with the Ubuntu system are free software; the exact
distribution terms for each program are described in the individual files in
/usr/share/doc/*/copyright.
Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law.
dave@BigBoy:"$
Run Code Online (Sandbox Code Playgroud)
“startx”确实会让你从命令行炼狱进入正常的桌面环境。进入后,从 Helene 给我的链接,问题很容易解决。显然,升级过程使显示管理器包“lightdm”处于损坏状态,必须重新安装(然后选择代替“gdm”)。因此,一旦系统启动,只需运行“sudo apt-get install lightdm”即可。现在一切正常。
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