Locked black screen after upgrading from 14.04 to 14.10
1285
My computer boots to a black screen, what options do I have to fix it?
92451
Black " administrator" screen when connecting
117712
Black screen on login, gnome-shell eating 100% of CPU
18658
Ubuntu 14.04 has visual artifacts and freezes
28180
Black screen when creating movie
87484
NVIDIA drivers not working after upgrade. Why can I only see terminal?
67827
How to restore the new 14.04-lockscreen
144287
Mint 18 will boot only to a black screen
121665
Environment looks fine in rendered preview mode, but completely black in final render?
7357
upgrade to 13.10 stalled and restart failed
154702
Ubuntu 18.10 shows black screen with blinking cursor after I rebooted a Thinkpad with hybrid GPUs
99941
Lock screen does not unlock with correct password Gnome and Ubuntu 14.04
114511
Ubuntu 18.04 Black Screen after Blanking Screen
90508
Problems after upgrading to 14.04 (only background and pointer after login)
89774
how to add a custom lock for the recovery and/or bootloader?
103776
12.04 boots to black screen ATI Radeon HD 3200
65808
17.10 to 18.04 upgrade freezes during boot