** Package changed: ubuntu => xorg (Ubuntu)

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https://bugs.launchpad.net/bugs/1904474

Title:
  Black/purple screen after booting Ubuntu

Status in xorg package in Ubuntu:
  New

Bug description:
  Hi,

  I am failing to boot into a freshly installed Ubuntu 18.04.5 LTS on my
  ThinkPad-T460. When choosing the right bootloader in BIOS I get a dark
  screen, Ubuntu is not booting (also after 15mins of waiting ...).

  I first thought my issue would be a *Black/purple screen after you
  boot Ubuntu for the first time* like over here:
  https://askubuntu.com/questions/162075/my-computer-boots-to-a-black-
  screen-what-options-do-i-have-to-fix-it

  So I added ```ǹomodeset``` in the script executed before booting
  Ubuntu. Interestingly I was able to boot and then made this change
  persistent by updating the bootloader. I tried some more times to boot
  and suddenly it stopped working properly (with same blackscreen as
  before). I also took a look to the bootscript, ```ǹomodeset``` was
  present there.

  Then I played around with some other obscure suggestions like adding
  ```nouveau.noaccel=1``` instead of ```nomodeset``` and replace
  ```qiuiet splash``` by ```noapic noacpi nosplash inqpoll```, but
  nothing gave me a soultion which did not get stuck with black screen
  of death after some reboots.

  I am a little bit clueless at the moment, so I have appended the uncompressed 
logs in ```/var/log```, captured like in 
https://wiki.ubuntu.com/DebuggingKernelBoot .
  The files appended are from a boot that got stuck, I have killed my laptop 
after 10mins of nothing happening.

  Btw. I have a dual boot with Windows 10, but I do not know if this is
  relevant for this issue.

  Best
  Alexander

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