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

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0
votes
1answer
352 views

How can I change the date format in the Lubuntu login screen?

I'd like to set a different format for the long date string I get at the top of the login screen in Lubuntu (15.04). How do I do that?
0
votes
1answer
194 views

Cannot login from lock screen

On a new 14.04 setup I am having an issue where I cannot login from the lock screen. When my screen locks, the only way I can login is by selecting to login as a different user, which takes me back ...
1
vote
1answer
395 views

How can we set custom image as background for desktop and login screen [duplicate]

If we select default wallpapers in Ubuntu as desktop background image it will automatically set the same image as login screen. But if we use a custom image as a wallpaper it will only change the ...
1
vote
3answers
2k views

Ubuntu 14.04 Returns to Login Screen After Login

When I type in my password to my newly installed Ubuntu 14.04 computer, it returns me to the login screen. I've seen other answers but those were to Ubuntu 13.04 and older and didn't work.
0
votes
0answers
122 views

Ubuntu 14.04 LTS Gnome cant load desktop

I have problem with ubuntu 14.04 LTS. On Ubuntu I have installed gnome and lubuntu desktop and I´m using gnome. Yesterday I have installed security update and virtualbox update. When I run ubuntu ...
4
votes
2answers
4k views

I can't login to Ubuntu on Virtualbox

When I enter my password and press enter, it processes for a while and then loops me right back to the account login screen again. I'm using Ubuntu 14.04. I've tried using the advice on this thread ...
1
vote
0answers
27 views

How can I remove a specific user from the Ubuntu login screen? [duplicate]

I am using Ubuntu 14.04LTS. When I login, there is an extra user called 'Oracle' present. How can I hide this?
1
vote
0answers
34 views

Ubuntu 14.04 stuck in login loop [duplicate]

I installed the cuda toolkit 7 and right after I restarted I was stuck in a login loop. I tried all the suggestions I could find which includes deleting the .Xauthority file, .profile, reconfiguring ...
0
votes
2answers
73 views

/usr/bin no longer in path after booting into windows 7

I have a dual booted windows 7 / ubuntu 14.04 computer. Everything in ubuntu worked fine until I booted into windows and then switched back to ubuntu. Now when I try to login it keeps sending me ...
2
votes
2answers
242 views

Can't get rid of Lubuntu's Login Greeter

If I lock my computer or logout, when I log back in, I want to see unity-greeter. But I can't seem to get rid of Lubuntu's greeter upon logging in. I once installed Lubuntu but have since uninstalled ...
2
votes
1answer
530 views

How to edit (CSS) LightDM GTK+ Greeter

Is there a manual or does anyone know how to edit the (CSS) files for the LightDM GTK+ Greeter? I'm already using LightDM Greeter Settings, but I want more customization. Somehow the webkit greeter ...
1
vote
0answers
195 views

Can't login into Ubuntu VM

I've installed Ubuntu 14.04 32 bits into VirtualBox on a Windows 8.1 32 bits, but when I try to login, it just sits there for a while thinking, a black screen pops and it goes back to the users, it ...
0
votes
1answer
157 views

No sound after login in 14.04

I have clean install of Ubuntu 14.04. I had some kind of freeze yesterday and after I rebooted the laptop I have no sound in system. But I do have sound on login screen - I hear the "banging" sound. ...
0
votes
1answer
114 views

Ubuntu automatically logs on to guest account [closed]

I installed Zorin 9 using a USB on my Dell Inspiron 1440 laptop After the installation completed and I rebooted the system, Grub doesn't show up on my external screen, waited for 20 secs, pressed F1 ...
3
votes
0answers
42 views

Cannot login after routine update

I went through a regular daily update a couple of weeks ago, and since then I have been unable to log in to my ubuntu account or the guest account. I have tried the solutions suggested in these ...
2
votes
0answers
127 views

Unable to login from User account or Guest account (not a duplicate question)

I have Dell 3521 laptop without dedicated video card. It came with Ubuntu 12.04 installed. One fine day, it prompted me for an upgrade, which i went for. During upgrade, its battery finished and once ...
0
votes
0answers
159 views

No login prompt to GUI after motherboard upgrade

After changing motherboard in my Ubuntu 15.04 computer I ran into problem with logging in GUI. For an instant moment I see a standard login window. Immediately thereafter the following window shows. ...
0
votes
1answer
905 views

LightDM and GDM login loop. Ubuntu 15.04 Gnome 3

At first the GDM worked just fine but all of a sudden I lost the ability to login. I can still get to my desktop using startx (sound doesn't seem to work when I do that but it might be a by-product of ...
0
votes
0answers
149 views

Ubuntu 14.04 Blank screen at login. Nvidia

Ubuntu 14.04 Blank screen at login. Nvidia Geforce 820M, has intel too. HP laptop Can hear the login sound. When I close the lid and open it again, it shows the login after coming back from standby. ...
0
votes
0answers
78 views

ubuntu 15 login or lock not working

when I select lock, the screen goes black. If i restart, the log in screen appears but does not allow me to type a password, it just logs in automatically even though the lock setting is on. Lock was ...
2
votes
0answers
49 views

System Logs out when unused for some time instead of going into lock screen

I have switched to XFCE4 some days back from Unity, but now i again switched to Unity. From that time onwards I am facing following problem. My system logs out automatically when unused for some ...
1
vote
0answers
35 views

Cant login after installation

I have installed Ubuntu 15.04 but then i try to login using my password the screen goes black and some text is shown realy fast in the upper left corner then I am back at the login. Why cant I login?
1
vote
3answers
132 views

Why do I have all the sudden a user called “postgres” on my login screen?

It appeared just like that, a quick searched suggested that it's a user created by a database application but why is it on my login screen?
0
votes
1answer
102 views

change login screen without sudo

I'd like to understand whether a user, without root permissions, can change login screen background, in the same fashion as one can change desktop background or icon size in unity, in particular ...
0
votes
0answers
111 views

What's causing my login resolution to reset incorrectly?

I'm trying to set up my 4 monitor system so all monitors are of the correct orientation during the login screen. I've set my lightdm.conf file up as follows: [SeatDefaults] ...
0
votes
0answers
120 views

Asus netbook shows white screen when booting

I Have asus net book and Ubuntu 14 installed. Whenever I start my netbook it shows white screen. I have to then restart and then goto advance option from grub menu and then select previous kernel to ...
0
votes
1answer
71 views

I deleted my home folder, now I can't log in through Unity

I deleted my home folder when followed the steps in: ecryptfs-setup-private --undo I'm not worried about the data or anything, but I can't log in through Unity anymore. I switched to root in the ...
0
votes
0answers
87 views

Lenovo 738726U black screen with mouse pointer on Ubuntu 14.04.2 log in screen

Important Info (maybe): I apologize upfront if I ask something wrong. 1st time asking a question..anywhere online. Already researched problem A LOT! But my system is old and not listed. First ...
0
votes
0answers
40 views

Password restriction is not working in Ubunutu 14.04

Earlier I tried installing some apps (PlayOnLinux and Wine) and used the previous command in a terminal. Maybe this is the reason? sudo apt-get install curl Also Im getting a pop up requesting to ...
1
vote
2answers
3k views

Black Login Screen Ubuntu 15.04

After updating from 14.10 to 15.04, the login screen is black. Just by changing the mouse pointer do I find the password text field; password typed in and then all works normal. Any ideas?
0
votes
1answer
3k views

Just upgraded to 15.04 and i'm crashing at the login screen

I just attempted an upgrade from 14.10 to 15.04, the upgrade completed and i get as far as the login screen but when i input my password the screen blacks out flashes a bunch of text that i haven't ...
8
votes
2answers
19k views

Caught in loop when trying to login after upgrade from 14.10 to 15.04

After an otherwise uneventful upgrade from 14.10 to 15.04 I cannot login. When I provide my password the screen flickers briefly and I am back at the login screen. I have checked permissions on ...
2
votes
2answers
2k views

Ubuntu 14.04 not logging in after NVIDIA update

I want to run a cuda program on Ubuntu 14.04 LTS 64bit, but the error i got was: cuda driver version is insufficient for cuda runtime So i downloaded nvidia driver from its official website. I ...
1
vote
1answer
189 views

How to get back the Ubuntu 14.10 default login screen

When i lock my PC after successful login it's show the default Ubuntu lock screen but when i reboot my PC it shows the login screen of the theme K Ubuntu that i removed
0
votes
1answer
71 views

Login to GUI through Command line

I want to login to Ubuntu through command line which will then redirect me to GUI, is there any way to do this?
0
votes
1answer
49 views

After the most recent Ubuntu update I cannot login

I have searched through other questions but none of the answers or comments have worked. I havent been able ti update mt computer for a while so I did it all at once and many changes were made. I ...
0
votes
1answer
899 views

Xubuntu 14.04 Change Xfce Login and Lockscreen Button Color

I have Xubuntu 14.04, and I would like to change the login and lock screen button color from blue to green without changing the theme. However, I can't seem to find the proper configuration file to do ...
0
votes
1answer
126 views

Why does the screen go dead until I press escape every time I boot up?

I have Ubuntu Studio 14.04, it is the only operating system on my machine. Every time I boot up, the BIOS loads, and then the screen goes dead and will stay that way unless I press ESC, in which case ...
0
votes
0answers
14 views

Low resolution login screen, desktop not loading [duplicate]

I've had ubuntu (single boot) for a few weeks on a new laptop. Since last night, however, when I turn the laptop on, the login screen is at a much lower resolution than normal. When I enter my ...
0
votes
1answer
143 views

Customize login screen

How can I customize my Ubuntu login screen like the one below? As I've already googled most solutions only change the background picture of the login screen not its structure and behaviour. My ...
0
votes
1answer
670 views

How to hide particular account in login screen?

I am using Ubuntu 12.04 32-bit. I have two(2) accounts, admin01 is for administrator, Account type is Administrator. and the other one is user01 is for computer user, Account type is Standard. I ...
1
vote
0answers
51 views

Ubuntu wont load after installing SLiM

A few moments ago I decided to give the SLiM display manager a go, and I installed it with apt, then I restarted my PC and it got stuck at the loading page with the ubuntu logo and the six loading ...
9
votes
2answers
389 views

How do I add or manipulate Application/System Indicators in the login screen?

I would like to remove several of the Indicators that usually appear in the upper-right-hand side of the login screen. In particular, I would like to remove the accessibility, keyboard layout, power, ...
1
vote
3answers
370 views

How to hide administrator account or root in Login screen? [duplicate]

I used Ubuntu 12.04 and I want to only user account appear on the Login screen without guest and administrator account. My administrator account cannot view to everybody when their Login. ...
0
votes
1answer
191 views

Login screen background wallpaper not changing with Dfcon-editor nor Ubuntu Tweak [Ubuntu 14.04]

I am trying to set a new background image for my log in but I can't. I tried configuring via Dconf-editor with root mode but every time I set the new image and set to True the draw-user-backgrounds ...
0
votes
2answers
480 views

Problems with login after startx command

I am running 14.04. after typing startx command i cannot login same account again. Login screen is repeatedly showing. I can login with guest section but i can not login to my another section . i ...
0
votes
1answer
115 views

I can't see my desktop only the terminal

I'm completely new to this, I put in the cd and I get this terminal thing when I turn on my computer it asks for login and password I enter that, and then all it says is: tommy@tommy:~$
0
votes
1answer
174 views

14.04 couldn't log in

I couldn't log in to my user account. When I tried it the screen returned to the log in screen. I am able to log in using ctrol alt f1 or an new created account, but not my own. Also rm /.Xautority ...
2
votes
0answers
133 views

Ubuntu will not accept new password even after recovery mode reset

After a recent 14.04 update my computer will not accept my log in password. I have done all the various steps through the recovery mode at boot up, changed my admin password & I still receive an ...
1
vote
0answers
91 views

my lubuntu gui can not login by my user and guest user

I can not login in the gui, it flash and back to login gui after I input password, this is in my /var/log/lightdm/x-0-greeter.log file: ** (lightdm-gtk-greeter:2893): WARNING **: Error retrieving ...