GUI does not start and forgotten login
82
How do I reset a lost administrative password?
101917
I run a command sudo startx and then I can only log in as a guest
148886
Grey login screen after enabling encryption
48107
Login Screen Before OS Loads?
14927
Run a GUI program at startup
128591
I cannot get started
8461
Gnome terminal will not start
129904
How to get Ubuntu to ask for my password at login screen again?
84634
After logging in, there's a black screen and my cursor, nothing else! in Ubuntu 12.10
134841
Locked out of Windows 10: login no longer shows Administrator, but only an account that I never used
19348
Login screen not ubuntu's; it's Gnome's
118596
how to reset gnome panel?
71024
How to recover/reset forgotten Gnome Keyring Password?
83211
ubuntu 14.04 login loop problem
2850
Ubuntu gets stuck in a login loop
139134
How do I change the login screen in Ubuntu 16.04+?
532
Unity doesn't load, no Launcher, no Dash appears