Ubuntu 14.04 - Boots Completely Unstable (99.9% frozen )
42716
How do I set 'nomodeset' after I've already installed Ubuntu?
143622
Ubuntu doesn't boot!
156142
Ubuntu freezes randomly with audio playing in the background
40258
Drush hangs when trying to bootstrap Drupal
49118
Ubuntu 16.04 hangs on shutdown/restart
130247
Ubuntu stops loading
58548
Getting a black screen when installing or Live booting Ubuntu (any version) in my laptop
135692
ubuntu 14.04 black screen when installing
154383
15.04 - very slow boot
18658
Ubuntu 14.04 has visual artifacts and freezes
92476
Boot failure : No DEFAULT or UI configuration directive found!
62046
16.04 - system hangs at boot time at "Started Update UTMP about System Runlevel Changes"
113174
How to fix “eth0: Detected Hardware Unit Hang” in Debian 9?
46790
Cannot boot OS. Black Screen
9955
Front end freezes on start-up
56571
Ubuntu GNOME: Grey screen and very slow boot
122583
Can't clean a full /boot because of unmet dependencies