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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

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
Black/purple screen after booting Ubuntu
https://bugs.launchpad.net/bugs/1904474
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