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

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1
vote
0answers
151 views

Trying to change desktop environment but stuck on log in screen.

Im currently running lubuntu and was trying to try out gnome. now im in the log in screen and changed it to gnome in the top right hand corner. I proceed to log in but the screen goes black and the ...
6
votes
3answers
323 views

How can I make the login screen appear instead of logging me in automatically?

My ubuntu logs me directly into my desktop, but is not showing the login screen. I have 14.04 LTS so I want to select KDE, but my system boots to the desktop directly. Any way to go to the login ...
0
votes
2answers
120 views

unable to login after removing guest account

Hello i try to disable the guest account in ubuntu 14.04 by typing these commands sudo gedit /etc/lightdm/lightdm.conf allow-guest=false After re-staring ubuntu it boot up but dos not go to ...
0
votes
1answer
112 views

Unable to login into any account

How it happened My computer was becoming very unresponsive and I could not close any applications to free memory so I held the power button until the computer turned off. When I turned it on ...
-1
votes
1answer
209 views

ubuntu throws me back to login screen

When I try to login to my system I am automatically thrown back to the login screen.I tried ctrl+alt+f1 but I got an error named 'signature error' Please help.... I'm using Ubuntu ver 14.04
-1
votes
1answer
192 views

Change keyboard layout in gdm

I just installed ubuntu-14.04, and during installation I chose two keyboard layouts: En-us and Ru-ru, and created user with en-us login/password. It successfully installed. When it loads the login ...
1
vote
0answers
201 views

unity-greeter login background won't change according to the user that is highlighted

I use Ubuntu 12.04. Recently, I change to use another Accounts Service which could remove certain users from the graphic login screen of unity-greeter. I downloaded source code from a branch of ...
1
vote
0answers
123 views

How do you change keyboard layouts from the login screen in Xubuntu?

I've set up multiple user accounts in Xubuntu 14.04. I (the admin) am a dvorak user so I have English US dvorak as the default layout, but the other user is a qwerty user. I've added English US ...
2
votes
1answer
1k views

Cannot login after update to Ubuntu 14.04

After I updated to Ubuntu 14.04, I am not able to login to Ubuntu. Whenever I enter my password, my screen flashes for a couple of seconds and goes back to the login screen. I have tried over and ...
0
votes
1answer
148 views

Is there a way to disable portrait/login picture display in the Xubuntu login?

I recently upgraded a machine from XUbuntu 12.10 and now the login screen has a blank silhouette that looks like the Facebook empty profile picture. How do I disable this and get back to just username ...
1
vote
0answers
204 views

dual monitor/projector login screen

if have a dual "monitor" setup, where one of the monitors actually is a projector. the projector is not always turned on. the problem is, that the login screen quite often is not visible and the ...
0
votes
0answers
19 views

Login Ubuntu source code [duplicate]

I'm Brian, I like to see the source code of the login screen but I don’t know how I could enter to so the source code and see this part. Because I want to make a app. Thanks for their help.
-1
votes
1answer
90 views

I am unable to login after an update [duplicate]

10th of June i've made an update and now I'm no more able to login. Unfortunately I don't know wat was included in this update. My PC looks like logging in, but, after a few seconds, it comes back to ...
0
votes
2answers
55 views

Is adding a user needs password [duplicate]

In my Ubuntu after login by my user account, I want to create another user I intered bellow commands : adduser alex_2 -m I created new user, but when I want to login, Ubuntu needs passwords and I ...
5
votes
3answers
2k 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
148 views

cannot unlock login screen 14.04

When my computer boots, entering the correct password won't start my session. I found out the problem is /home/user/.Xauthority ownership. root owns this folder and giving the ownership to the user ...
1
vote
0answers
2k views

Ubuntu 14.04 stalling with black screen w/ white cursor [closed]

The system will get to the Plymouth 'ubuntu' screen, load load, all dots filled, switches over to LightDM, but wait! No LightDM. :I Just a blank screen with that white cursor. Can't switch out to ...
0
votes
2answers
252 views

Shortcut keys for changing input source not working in Login screen

I use Shift+Alt shortcut to change the input source language and it works fine everywhere except the login screen, and when waking up from suspend. Is this a bug or am I missing something? I am using ...
1
vote
0answers
68 views

Is it possible to login into lightdm interactive screen remotely?

I have this big Ubuntu desktop that dubs also as a home cinema PC. When I feel lazy, I'd love to be able to run the PC remotely and watch movies from my bed. I can turn it on via WoL. I can launch ...
0
votes
1answer
39 views

New to Linux screen problems after login

I am new to Linux just installed on Compaq with a hard driver that is completely clean. After I installed and booted up every thing works till I login. When I login the screen goes blury where I cant ...
0
votes
1answer
212 views

swich from ubuntu (unity) lockscreen/login to gnome

I have Ubuntu GNOME installed on my pc and I also installed the unity shell, the problem is I seem to have lost the GNOME login screen and lock screen, is it possible to switch back from the new unity ...
0
votes
1answer
213 views

I've broken lightdm

I've installed xubuntu-desktop metapackapge on my system and afted this action unity-greeter has gone away. Ive purged lightdm twisely, then installed lightdm and unity-greeter. But still no result. ...
2
votes
2answers
4k views

Black screen on login maybe lightdm problem

Hi after I entered this command in terminal: sudo sh -c 'echo "greeter-show-manual-login=true" >> /etc/lightdm/lightdm.conf' and I reboot my PC i cannot login to ubuntu. After i select the os ...
1
vote
0answers
67 views

Ubuntu login screen doesn't show up after cleaning NVRAM on a mid-2009 Macbook Pro

I have a macbook Pro mid 2009, with three partitions : OSX 10.8.5, Ubuntu 13.04 and Windows 7. EFI and GRUB are here, first EFI boots with offering the choice of the three systems then, if Linux or ...
1
vote
2answers
1k views

lost ubuntu 14.04 default login screen

After trying to upgrade to gnome 3.12 unable to upgrade// uninstalled gnome 3.12 however lost ubuntu 14.04 default login screen Plz help
0
votes
1answer
150 views

Ubuntu 13.10, after update login loop

So, today I update some packages and then I shut it down. When I turn it on, it ask for a pw (I had automatic login). Tried several things, removing .Xauthority, .cache and .ICEauthority, check ...
0
votes
1answer
530 views

Ubuntu login screen wallpaper missing 14.04

I am new to Ubuntu and I tried to change my login screen wallpaper by using terminal according to this: Changing login screen wallpaper in ubuntu 13.04 At this time I did not know about ubuntu ...
1
vote
2answers
411 views

Difference between user account and guest account [closed]

I have a rather ancient computer (pentium 4 with a really awful monitor) that I have been running the Ubuntu inspired Elementary OS for the past year or so flawlessly. For some reason yesterday when ...
0
votes
1answer
506 views

User login screen shows only gnome flashback option in ubuntu 14.04

Hello i upgrade ubuntu 13.10 development branch and successfully installed ubuntu 14.04. but my problem is on user login screen.User login screen shows only gnome flashback option so how to get back ...
0
votes
1answer
2k views

Kubuntu 14.04 change login animation/splash screen

In kubuntu 14.04 settings there is the option for changing the login screen background, but there is no more the option to custimise the animation/splash screen after the login, while the desktop ...
3
votes
2answers
12k 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 ...
4
votes
1answer
3k views

Remote login on Ubuntu 14.04

On Ubuntu 13.10 in Login screen there was an option for Remote Login.Where is this option in Ubuntu 14.04?How can I enable it?
0
votes
1answer
42 views

No graphical login after purging Cinnamon

I wanted to try Cinnamon and installed it: sudo apt-get install cinnamon But it didn't work well, because all the gnome stuff was missing on my Kubuntu. So I purged cinnamon and rebooted. Now I can't ...
3
votes
2answers
7k views

Unable to login to 14.04 after successful installation [duplicate]

After a successful upgrade to 14.04, now when I am trying to login using administrator id, It loops back to login page and doesn't load my session. Even guest is not working. When I enter wrong ...
1
vote
1answer
548 views

Main user login has no gui

After I upgrades from 10.04 to 12.04 I cannot login to my main users account. Before the upgrade I had created another administrative user but had never used that account with the gui. That other user ...
0
votes
1answer
55 views

No login screen on boot up

When I boot up my system it goes straight to my desktop without asking for my password on the login page. Instead there is a keyring prompt that comes up where I have to type the password. Any ...
7
votes
3answers
22k views

“Failed to start session” after interrupted upgrade to 14.04

While upgrading to 14.04 using sudo do-release-upgrade my network connection was interrupted and several packages failed to upgrade. Running do-release-upgrade again reported No new releases found ...
1
vote
6answers
5k views

Login loop 14.04 but guest account is accessible

After upgrading to 14.04 from 13.10 which worked fine, I cannot get past login as it just loops back. Guest account works fine. I can login to the console by hitting Ctrl+Alt+F1 using username and ...
0
votes
1answer
4k views

14.04 freezes on start and stalls on restart/power down [duplicate]

About 2 out of 3 times I power on my computer, Ubuntu 14.04 freezes when loading some stage of the login (lightDM) screen. I have to manually power off my computer. Also, when I go to restart or ...
0
votes
1answer
36 views

How to show old account on the greeter

TL;DR --> I want to know how to make an old account show up after reinstallation of Ubuntu so that I can log in to that account and not have to reinstall all the other software I had installed on that ...
2
votes
0answers
94 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
2
votes
0answers
225 views

How do I rotate the login screen?

So I am trying out the 14.04 and I keep both of my monitors in portrait mode. But the login splash is in landscape. But I can't seem to figure out how to rotate my login splash or where the config is ...
0
votes
1answer
262 views

Any way to change lightdm unity greeter background without changing current config files?

About changing lightdm unity greeter background image, most answers are to change /usr/share/glib2.0/schemas/com.canonical.unity-greeter.gschema.xml. Is there any way to change the default wallpaper ...
0
votes
1answer
394 views

Change color of background on login screen

EDIT: I should mention I'm running Ubuntu 12.04 with Cinnamon, though I could switch to Unity to change, then switch back. Alright, so I changed the background on my login screen (the cheap way, by ...
0
votes
1answer
59 views

Unable to login from GUI?

Running 13.10 x64 on an Ubuntu laptop (System 76 Kudu Professional). When I bootup and provide my password; the screen goes black for a moment then returns to the login screen. Switching tty I am ...
1
vote
0answers
393 views

Ubuntu 14.04 - enable numlock on login [closed]

Numlock is not activated in lightdm: https://bugs.launchpad.net/ubuntu/+source/unity-greeter/+bug/1271953 Workaround for ubuntu 13.10 : sudo apt-get install numlockx gksu gedit ...
0
votes
2answers
90 views

Logon screen forever [duplicate]

My ubuntu is in trouble, I changed my graphic card, tryed some manipulations, and now I get some problems with the login-screen. I have the login-screen, normal, but when I type on password ( I am ...
0
votes
1answer
68 views

Login goes nowhere after upgrade to 13.10

After upgrading to Xubuntu 13.10 I rebooted once and found that after login, regardless of account, I end up stuck after the login window disappears, with a movable pointer and the background from the ...
0
votes
1answer
41 views

After installing system update I can't login to my user [duplicate]

At the login screen, I type my password, then hit enter and I see a quick black screen with some text, as if something crashed, and it goes back to the login screen.. Help?
2
votes
1answer
900 views

unable to type in password at login screen after restart? [duplicate]

I am locked out of my laptop after restarting it. When I am in the login screen, I have 3 options: me / registered user guest session remote login When I click on the password field/text box that ...