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

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how do I login when ubuntu stops before login screen?

So I tried to get rid of gnome-ubuntu-desktop but it resulted in that i now can't log in to ubuntu at all. When ubuntu starts the gnome logo comes up and the disapears and the screen continues to be ...
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15 views

14.04 Random Logouts

Relates to the unsolved question #166687 I also am using chrome when the screen goes black and I'm at the login screen. Everything I had open is now closed and my keyring was not unlocked at login.
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1answer
21 views

Ubuntu Studio does not start with XFCE desktop but the other one. How to fix?

I have installed ubuntu studio 14.04 and when I changed desktop from the login screen it can't change back to xfce. I select xfce but it logs me in the other desktop environment. Any ideas why that ...
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1answer
30 views

User account not loading after installation

I installed MySql server and workbench on Ubuntu 14.04. After some time the system hanged and after restarting it, the administrator account is not loading. When I enter the correct password the ...
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1answer
28 views

After updating 12.04 in the next reboot the cursor just blinks

I just updated my ubuntu 12.04. Now I am stuck with a blinking cursor during start up. It's now like this for past 15 minutes. Is there any solution to over come this issue? Any guidance would be ...
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0answers
27 views

Cannot login user in visual screen but can login in terminal mode

Im trying to login through visual screen into my user, but it seens Ubuntu is not recognizing my password. I already change it throught root user from recovery mode, and I tested it in the alt+ctrl+f1 ...
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33 views

Very Novice - Can not login after upgraded from 12.10 to 14.04.1

So I opened the cmd prompt and have gotten as far as login to the computer's Directory, but it won't let me on to the desktop. Every time I try my password there it says it fails and to try it again. ...
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1answer
24 views

black screen startup. Try Ubuntu now asks for password

So I have a Toshiba Satellite laptop that I just tried to fully install Ubuntu 14.10 (I think, most recent) on. When I originally clicked Try, everything would load as expected. So I tried to ...
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17 views

How do I set the background for lightdm-kde-greeter

I'm running Gnome desktop in 12.04 and installed the lightdm-kde-greeter. But I'm not sure how to change the background. Google has been no help, as all the suggestions say to go to the System ...
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2answers
58 views

Ubuntu 14.04 won't let me login

Yesterday I was updating some applications. I come back later and I see a red stop sign on top of my screen that stated there was an error. It said that some of my packages needed some dependencies. I ...
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178 views

Ubuntu 14.10 Lightdm greeter resolution before login

There are various answers for changing the resolution of the Lightdm greeter before login by adding a root executable script to /etc/lightdm/lightdm.conf like this: [SeatDefaults] ...
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0answers
15 views

How can I use the default LightDM login screen with GNOME Shell? [duplicate]

I would like to keep the normal Unity log-in screen and everything. When I installed GNOME Shell, it seems to have replaced the log-in screen with the GNOME one. I like jumping between different ...
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1answer
73 views

lightdm-gtk-greeter keeps loping into login screen

Since I had problems with unity-greeter I had installed lightdm-gtk-greeter and it keeps looping into the login screen. 14.04 ubuntu I have several solutions: removing .Xauthority file, reinstalling ...
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0answers
23 views

login screen problem related to user partition

Every time I switch on my pc, I see the screen message: user/local disk cannot be found please mount it manually or press 'S' to skip What I did was I created a /home partition and local/user ...
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1answer
57 views

Unity Greeter starts with a black output Screen

The unity greeter in my Ubuntu 14.04 laptop starts with a black output screen. When I say this I mean every error and output of the greeter is printed on the screen but the GUI is not visible. What I ...
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0answers
230 views

Several attempts to customize GDM login screen in Ubuntu 14.04 LTS failed. What are the ways to customize it?

I installed GDM on Ubuntu and set it as default via sudo apt-get install gdm. It looks like this( I took screenshots but can't trace where was it saved as it was not available in default directory ...
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2answers
34 views

how to log on/off from ubuntu user to windows user without closing computer completely

i want to know if its possible to log on/off from ubuntu user to windows user without closing computer completely like when in windows win+l open user logon screen then you choose your win user then ...
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2answers
497 views

Ubuntu 14.10 black screen at login

I have a fresh install of Ubuntu 14.10 on my laptop Compaq 420, just a while ago. At login screen, it suddenly becomes black for a split second and then shows it again. Or sometimes, it appears after ...
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0answers
25 views

lightDM GTK greeter won't log in unless root

I've been building an Ubuntu distro from the ground up, and I decided to use the LightDM GTK Greeter. Everything is going good, until I decide to log in to the non-root account. If I try to log in to ...
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1answer
70 views

Stuck in a user log-in loop on startup (fresh install)

So I wanted to set up my Lenovo Flex 2-15D to dual-boot Ubuntu alongside the pre-installed Windows 8.1. I installed the Universal USB Installer from pendrivelinux.com, created a USB stick loaded with ...
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1answer
399 views

How to set GNOME as my default desktop environment?

I just downloaded GNOME-Shell. And at login screen it's give me to choose to set desktop environment, But I want to set GNOME as my default desktop environment. Although I tried the possible ...
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1answer
29 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 ...
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1answer
9 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 ...
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2answers
197 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 ...
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20 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?
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0answers
21 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. ...
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1answer
422 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 ...
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0answers
35 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 ...
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0answers
12 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 ...
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0answers
19 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 ...
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0answers
28 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 ...
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0answers
27 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 ...
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1answer
58 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 ...
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1answer
44 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 ...
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0answers
35 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 ...
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0answers
34 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 ...
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0answers
69 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 ...
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0answers
112 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 ...
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0answers
282 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 ...
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1answer
348 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
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1answer
45 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
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0answers
169 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 ...
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0answers
40 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 ...
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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 ...
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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)
0
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1answer
37 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
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1answer
151 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 ...
0
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1answer
35 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 ...
2
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1answer
85 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?
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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 ...