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I tried editing in GRUB and changing quiet splash to nomodeset, and all it did was turn the black screen purple. I'm not sure what to do. I was trying to install dependencies for ibus for a Tibetan keyboard. Then I tried to restart and the black screen began.

I installed the dependencies listed here: https://www.christian-steinert.de/home/tibetan-computing/typing-tibetan-on-windows-and-linux

  • Can you login-in in the black/purple screen? do you see a login prompt where you can enter your username and password? – Raffa Apr 20 '20 at 04:26
  • @Raffa Nope, it's only a black screen. I can click ctrl-alt-del and be brought back to the GRUB menu though. That's about it. – Nia Jefferson Apr 20 '20 at 04:33
  • Do you have an NVIDIA graphics card? – Raffa Apr 20 '20 at 04:36
  • @Raffa No, I have an Intel one. – Nia Jefferson Apr 20 '20 at 04:44
  • OK, You need to go to recovery mode and enable networking then drop to a root shell then mount your system in read and write mode then install ubuntu desktop like so sudo apt install ubuntu-desktop or sudo apt install --reinstall ubuntu-desktop. this and this should give you an idea on how to do that. – Raffa Apr 20 '20 at 04:50
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    @Raffa Okay so I did everything in the first link. After rebooting, I started Ubuntu and got a prompt for my username and password on black screen. – Nia Jefferson Apr 20 '20 at 05:06
  • Please do sudo apt update before you attempt to install anything and pay attention to when APT tells you it will remove packages. Do not answer yes to removing packages unless you know what you are doing. You can also attempt to do other fixes from the recovery mode like editing GRUB and removing nomodeset back to quiet splash or uninstalling the lately installed packages that caused the problem. – Raffa Apr 20 '20 at 05:08
  • Please enter your username and password then run systemctl status gdm* and systemctl status lightdm*what output do you get? – Raffa Apr 20 '20 at 05:11
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    @Raffa Actually, putting in the command sudo apt install ubuntu-desktop worked for me. Sorry I misread your comment. After doing what's in the first link you commented and running that command, I am now able to fully boot into Ubuntu. – Nia Jefferson Apr 20 '20 at 05:21
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  • Well done : ). Be careful next time you install something. – Raffa Apr 20 '20 at 05:24

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After doing what's in this answer, and then putting in the login prompt sudo apt install ubuntu-desktop, I was able to fully boot and load into Ubuntu.