Questions about the login screen, specifically customizing/troubleshooting it.

learn more… | top users | synonyms

0
votes
0answers
10 views

Garbled image after login

I have had for quite a long time this issue. The login wallpaper (in LightDM) is gone, and after I input the password the screen goes all garbled (see screenshot here) and it stays there for five ...
0
votes
1answer
7 views

how to unlock screen when booted from usb?

i installed ubuntu 13.10 in the installation process i lost all data. i booted from the usb and took the help of testdisk. sudo apt-get install testdisk sudo testdisk After finding all the ...
0
votes
1answer
27 views

How to fix Ubuntu 14.04 LTS login screen hangs with “logging in…”

Anyone have suggestions for this: I upgraded my Ubuntu system to 14.04, and the upgrade failed miserably. I was forced to restart the system in order to get to a login. After following several ...
0
votes
0answers
15 views

Progress bar in my login screen

I have a problem. After boot system, my login screen show a progress bar. If I do nothing is performed automatically login. Look: How to remove it?
0
votes
0answers
12 views

Ubuntu login page doesn't load

my Ubuntu 12.04 doesn't load the login page anymore. I'm using it in double partition with Win7 and after I select Ubuntu from the grub, it only appears the preliminary loading and then black screen. ...
0
votes
1answer
59 views

Ubuntu 14.04 desktop not loading after login

Turn on the PC, get normally to the login screen. But when I login, the desktop doesn't seem to load. I've waited half an hour but it still didn't load. I can get to the root by using the GRUB screen ...
0
votes
0answers
20 views

Keyboard and mouse unresponsive at login screen

Running Ubuntu 14.04 for a couple of weeks and now the keyboard and mouse has stopped working. Works well when booting, can access and change boot settings, but as soon as I reach the login screen it ...
0
votes
0answers
10 views

How to find what prevent my computer from unlocking?

When asking for my UNIX password at the login screen, entering the right password won't unlock it but it does the sound as if it's happy and don't give an error message. Here are the last things I ...
0
votes
0answers
12 views

Black screen after the purple load screen

I'm using ubuntu 12.04. I just restarted it, and it goes to the purple screen. What happens there is unusual, because it just stays purple for about 3-4 seconds, which never happens. Then, it shows ...
124
votes
37answers
354k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
0
votes
0answers
22 views

Cannot see login after upgrade to ubuntu12.04

I just upgraded my ubuntu from 11.10 to 12.04 and cannot login anymore. When the login screen should appear i can only see a pink screen with vertical lines, which get black or white when I move the ...
1
vote
1answer
44 views

How to edit the text that appears on the Unity login screen?

I was previously using Ubuntu 13.04 and had done PostgreSQL Advanced Server installation which edited my Unity login screen to include its title. I've since uninstalled that proprietary version of ...
0
votes
0answers
19 views

Login screen only appears every other startup

While doing some work on my system that involved working with filesystem groups, I accidently changed my user gid to another group. I've since changed it back, and on login everything seems fine so ...
1
vote
1answer
34 views

Login screen bumps back to login screen

Ubuntu froze, so I had to perform a hard-reboot. But then when I tried to login, all I see is a brief Nvidia splash screen and then it reloads the login screen. I'm completely locked out of Gnome ...
0
votes
1answer
2k views

Not loading desktop from login screen

I was using Ubuntu 12.10 for quite a long time. But from a few days back, I am unable to go to the desktop. The Ubuntu is loaded and the login screen is shown. Even after entering the password, the ...
0
votes
0answers
34 views

Ubuntu 14.04 boots to black screen [duplicate]

I have installed Ubuntu 14.04 LTE on my HP Pavilion desktop with Nvidia graphics card. When I switch on my computer, it seems to boot normally at first, until the Ubuntu “coloured dots” screen ...
0
votes
0answers
29 views

Can't access my desktop after power failure of update

I had a power failure while upgrading Ubuntu 13.10 to 14.10, and I got: Filesystem check or mount failed. A maintenance shell will now be started. CONTROL-D will terminate this shell and ...
0
votes
0answers
43 views

Changes Made in Dconf Editor don't take effect?

I am using Dconf to remove myself from the login screen by enabling disable-User-list in org.gnome.login-screen but that don't work. Also, I have tried changing the logo, no luck either. I have also ...
2
votes
2answers
851 views

How to return the login screen of the original unity ubuntu?

I've installed the LightDM GTK+ Greeter 1.7.0 as below sudo add-apt-repository ppa:lightdm-gtk-greeter-team/stable sudo apt-get update sudo apt-get install lightdm-gtk-greeter ...
0
votes
0answers
48 views

Upgrade from 12.04 to 14.04, re-activation of 3rd party sources, login doesn't show up

I've just upgraded from 12.04 to 14.04. It went all fine, also the restart. Then, I re-activated some third party packages sources, and I did some updates. Afterwards, ubuntu doesn't start. The screen ...
0
votes
0answers
47 views

Upgraded this morning, now stuck with no X login

So... have had a fully functional Ubuntu 14.04 system installed dual-boot with Win 7 on my Lenovo T530 ThinkPad for months... 12.10, 13.04 & 13.10 before that. Some hiccups with 14.04, but overall ...
0
votes
1answer
71 views

How to enable “Other” or “Manual” user login in ubuntu 14.04.1? [duplicate]

I found the other one with the lightdm thing but it doesnt work because its for 12.04! does anyone know how to enable the manual login like in XUbuntu where you can type in the user and the password? ...
3
votes
1answer
39 views

What file specifies the desktop environment for a user?

I'm having problems with Unity on a slow laptop, but it's configured to autologin so I never see the login screen. Also, the screen or display driver is messed up so I don't see the far right part of ...
2
votes
1answer
4k views

Unity greeter does not display custom wallpaper

I am using Ubuntu 14.04 LTS 64 bit . I know this question has popped up many times but I want to make it very clear that none of the posts helped me a bit. my Problem: I am unable to get my custom ...
1
vote
5answers
5k views

Ubuntu 12.04LTS stuck at login mouse and keyboard not responding

I have Ubuntu 12.04LTS installed on a dual-booted machine (i5 dual core 8G ram) and it's been working fine, but today for some reason when I logged out and tried to log back in it is stuck at the ...
3
votes
3answers
755 views

After locking the screen in Ubuntu 14.04, password is not accepted, How can it be fixed?

I'm running Ubuntu 14.04 fully updated on my laptop. Since the last update every time I lock the screen (when leaving my room for example) - when I get back and input my password, it is not accepted ...
0
votes
1answer
3k views

Login loop, can only login as Guest. Ubuntu 12.04

My computer wont allow me to login unless its as guest. I have pressed ctrl+alt+f1 and can login using my administrator account there, but not in the normal interface. I have done updates and ...
1
vote
0answers
113 views

Lubuntu 14.04.1 Login Screen Resolution is Not Perfect

I have recently done a fresh installation(not DUAL Boot) of Lubuntu 14.04.1 LTS i386 on my desktop. Now the problem is, my screen resolution is 1366x768, i.e. I am using a wide screen monitor and when ...
0
votes
0answers
34 views

How to center the login screen

Although it is not a problem/issue. I don't know where to put this question. Is there anyway to bring the login screen [password box] at the middle of the screen. By default, it is at left of the ...
0
votes
0answers
12 views

Ubuntu and Lubuntu dual Desktop. Now want to go back to old login screen [duplicate]

I installed both Lubuntu and Ubuntu and Lubuntu's login screen took over. However the Ubuntu login screen looks better. How do I get to the old login screen? (I did a complete removal on every ...
0
votes
0answers
26 views

PLEASE please please help me! [duplicate]

When I login using my user account with the correct password, it brings me back to the login screen. I cant even access my guest account (I'm using my phone right now)
6
votes
5answers
2k views

rotated monitor. login screen needs rotation

I rotated my screen, an once I login, it works fine. but, the greeter (login) screen hasn't got the message that things are rotated 90 degrees. How can i change the rotation of the login screen? ...
0
votes
1answer
135 views

Stuck in the login loop

As the title of the questions says, I am stuck in the login loop. The difference from all the questions out there is that I can't log in as a guest and I can't log in using the tty (I keep getting ...
2
votes
1answer
68 views

Why does Ubuntu 14.04 Trusty Tahr use sheep as emblem?

I have a very unimportant question: I am curious, why does Ubuntu 14.04 use sheep as emblem? Why not an elephant or ant or another animal?
0
votes
1answer
32 views

Automatically Login for All Users

I don't know, whether this is possible, but... Since I have lvm-encrypted my entire disk, I see no reason to type another password to login right after startup. However, at the moment I have two user ...
0
votes
1answer
34 views

Not able to login into ubuntu 12.04

I am now using ubuntu 12.04. I have problem with login. It wait me for log time even though I have enter right password.And nothing happen after waiting. I try to login from guest account but same ...
0
votes
0answers
10 views

Match-on-card Logon

I am interested in developing a Match-on-card Logon functionality for users on Ubuntu. I've searched through PAM modules, in Ubuntu Software Center, and with Google, and found nothing that would help ...
0
votes
0answers
77 views

Cant log in to xubuntu -Already tried TTY, Recovery mode-

I'm not very experienced with Xubuntu or linux in general. When I tried to use my pc this morning it prompts me to a login window which is odd because I set it to login without one, although I enter ...
7
votes
7answers
8k views

Hibernate missing in login screen

Re-enabling hibernation by adding a rule to policy kit added the option to hibernate to the desktop session as expected, but not for the login screen. How can I enable hibernation right from the ...
17
votes
4answers
4k views

How can I take a screenshot of the login screen?

How can I take a screenshot of the login screen? I do not want to recreate my Ubuntu installation in a virtual machine.
1
vote
1answer
77 views

How can I change the Keyboard Layout on login screen?

I changed my Keyboard Layout from Swedish to English, but now my password doesn’t work and I can’t login. I need a way to change the keyboard layout at the login screen without having access to the ...
0
votes
5answers
3k views

How to log in after logout in L/UBUNTU live persistent usb?

I have created a persistent live usb of Lubuntu 12.10 on a 16 GB flash pendrive with a 4GB space for persistency. It basically works like an installation, as new programs can be installed and new ...
1
vote
2answers
1k views

Unable to enter gnome session - configuration GNOME power manager failed to install

When I enter the password to login into the gnome session, it says the configuration for gnome-power manager installation failed and when I enter the password I get logged out automatically, to the ...
0
votes
0answers
12 views

Strange audio noise (clicking) during log on / off to desktop

Any time i boot up xubuntu, the speakers are turned on, immediately after entering the password and hit enter, there is a strange clicking from the speakers .. almost as if it was a sound effect for ...
0
votes
0answers
71 views

login problems. passwords are correct but not accepted

I have 3 users with password (2 are admin), and one guest user without password. Passwords are correct as I can go to terminal from login screen and I already checked all work fine. I can not log in ...
1
vote
3answers
179 views

Disable sleep mode after 5 minutes

I have Ubuntu 14.04 installed on my laptop. When I have my laptop plugged in to my tv to watch a movie, the screen goes black after exactly 5 minutes. I have to move the mouse, to see I'm at the login ...
1
vote
1answer
209 views

Ubuntu not allowing me to log in after upgrade from 10.04 to 12.04

I upgraded from Ubuntu 10.04 to 12.04 and it went fine. After restart, when I try to log in from my root user it shows a command screen in a split second and then returns back to the log in screen ...
0
votes
0answers
47 views

How to restore accidentally deleted /usr/share/applications folder?

I was going to delete a desktop shortcut but I accidentally deleted all even folder itself. Now when I log in, it just show wallpaper.Is there any way to back?
1
vote
1answer
247 views

Cannot login after upgrade from 12.04 to 14.04

I recently upgraded from ubuntu 12.04 to 14.04 and faced the filesystem check or mount failed issue as described here: Ubuntu 13.04 to 13.10: Filesystem check or mount failed The solution worked but ...
0
votes
0answers
51 views

problem before getting to the login screen

This is the problem: I was trying to get rid off the cairo-dock desktop option (when you have the login screen and click on the ubuntu symbol and then you have the option to choose what kind of ...