Ubuntu – Can’t boot into Ubuntu after installing GNOME 16.04 (stuck at blank purple screen)

16.04bootdual-bootgnomenvidia

I've also tried booting through recovery mode but that just gets stuck at a black screen instead. Everything was running fine until I tried booting into Ubuntu this morning, even last night it was working fine after installing GNOME. I have a Nvidia 1070 but all the graphics drivers should be up to date. Any ideas on what to do? Windows is still booting up fine.

Best Answer

I ended up solving this by using nomodeset to get far enough to open command line with CTRL + ALT + F1. After that I entered

sudo apt-get --reinstall install gdm
sudo dpkg-reconfigure lightdm
sudo service lightdm start

from: https://ubuntuforums.org/showthread.php?t=2058251

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Ubuntu – Ubuntu blank purple screen on startup

In my case I have a problem with grub rootdelay. After 20-30 sec try to hit Enter write exit (you didn't see it on screen) and hit Enter. System should run OK. Then you need to modify grub config.

But if it can't work try something else from this thread.

Ubuntu – After installing Nvidia driver 430 ubuntu 19.04 does not boot and stuck on boot screen

To begin with: First, enable your secure boot feature in the BIOS.
Second remove and purge all your nvidia packages using:

apt-get purge nvidia*

then to remove other dependencies of the NVIDIA driver:

apt-get autoremove

Then, reboot and

apt-get install nvidia-driver-4xx

where xx is the version number.
At the end of installation process it will ask you to set a secure boot password, set it to something (but remember it and write it down).

Then proceed to reboot, which then you will be asked to enroll the key

choose it then enter your password
exit it and proceed to boot.
Done

Best Answer

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