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Xubuntu 19.10 — 黑屏，带有鼠标指针

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Xubuntu 19.10 — 黑屏，带有鼠标指针

Dell Optiplex 755 上的 Xubuntu 19.10 - 运行完美。

唯一的问题是，当我将电脑闲置一段时间后，我发现只有黑屏且鼠标指针可见。否则屏幕上什么都没有。

我可以按 ctrl-alt-f1 并通过终端登录并重新启动，然后一切都恢复正常。

任何想法？

答案1

与MSI VR600X的情况相同。

这对我有帮助：https://www.stephenwagner.com/2019/05/05/ubuntu-linux-black-screen-frozen-system-after-upgrade-install/

临时修复

要启动系统：

After turning on your PC, hold the right SHIFT key to get to the GRUB bootloader.
Once GRUB is open, press the “e” key to edit the first highlighted entry “Ubuntu”.
Move your cursor down to the line that starts with “linux”, and use the right arrow key to find the section with the words “ro quiet splash”.
Add “nomodeset” after these words.

nomodeset

Feel free to remove “quiet” and “splash” for more verbosity to troubleshoot the boot process.
Press “CTRL + X” or “F10” to boot.
The system should now boot.

永久修复

要永久解决该问题：

Once the system has booted using the temporary fix, log in.
Open a terminal window (Applications -> Terminal, or press the “Start” button and type terminal).
Either “su” in to root, or use “sudo” to open your favorite text editor and edit the file “/etc/default/grub” (I use nano which can be install by running “dnf install nano”):

nano /etc/default/grub

Locate the line with the variable “GRUB_CMDLINE_LINUX_DEFAULT”, and add “nomodeset” to the variables. Feel free to remove “splash” and “quiet” if you’d like text boot. Here’s an example of my line after editing (yours will look different):

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"

Save the file and exit the text editor (CTRL+X to quit, the press “y” and enter to save).
At the bash prompt, execute the following command to regenerate the grub.conf file on the /boot partition from your new default file:

update-grub

Restart your system, it should now boot!

请注意：在修改任何系统文件之前，请务必确保已拥有完整的系统备份！

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