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

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1
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0answers
27 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 ...
0
votes
1answer
224 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 ...
0
votes
2answers
61 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 ...
2
votes
2answers
2k 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 ...
0
votes
1answer
80 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 ...
0
votes
1answer
364 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 ...
3
votes
1answer
8k 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 ...
0
votes
1answer
81 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
15 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 ...
3
votes
2answers
5k 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 ...
1
vote
1answer
8k 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 ...
1
vote
1answer
108 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 ...
1
vote
1answer
81 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 ...
1
vote
0answers
226 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
1answer
2k 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
3k 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
70 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
0answers
290 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
1answer
49 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
1answer
251 views

Stuck in the login loop [duplicate]

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
votes
1answer
50 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 ...
1
vote
1answer
221 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?
1
vote
1answer
815 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 ...
1
vote
1answer
575 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 ...
3
votes
3answers
9k 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 ...
0
votes
1answer
67 views

Cannot login after ctrl+alt+F1 [duplicate]

I pressed Ctrl + Alt + F1 (while I was logged in) and got the console interface. After logging in, I wanted to go back to GUI, so I typed startx. It didn't work, so I pressed Ctrl + C and logged in ...
0
votes
1answer
480 views

Ubuntu 14.04 doesn't load anything after login specific user

I wanted to add additional fonts to my Ubuntu installed X220 ThinkPad. I Google some help and copied the 700 mb of fonts into .fonts directory and then I realized that the system gone very slow so I ...
1
vote
0answers
179 views

Install Ubuntu flavors in Ubuntu 14.04 without changing the startup/login screens?

I recently installed the community's customized Linux desktops on another machine, such as KDE and LXDE, but I also noticed my boot-up screen and startup screen changed. Is there any way I can ...
4
votes
1answer
235 views

How can I get available updates to show at login? [duplicate]

While playing around with Amazon EC2, I noticed that the Ubuntu images showed available updates at login (See pic) How can I get my home installation to do this? I'm running 14.04. My question is ...
3
votes
3answers
2k views

How to change login screen

After installing kde, I had an ugly splash and login screen that I didn't like. I managed to get the splash back to normal, but I can't get the login back to normal.
0
votes
1answer
376 views

fix “The system is running in low-graphics mode” error without internet

I'm very sorry for asking about this error in another question but all the solutions in here require for you to have internet. I only have wireless internet and when I am in that console the internet ...
0
votes
1answer
53 views

Ubuntu 12.04 login returns me to login manager, how to diagnose?

This started with me adding a graphics card to my system. When I booted up, ubuntu complained that the graphics config had changed, and gave me a terminal session. I copied ...
0
votes
1answer
94 views

Is it possible to assign a shortcut to “Switch Account” in the login screen of Ubuntu 14.04?

Since I have this problem which is described here. And since the only solution I have for now is to click the "Switch Account" option from the login screen in order to log into my session without ...
1
vote
0answers
208 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
331 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
160 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
147 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
283 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
221 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 ...
2
votes
0answers
225 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
166 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
2answers
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
207 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
217 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
94 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 ...
1
vote
2answers
68 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 ...
6
votes
4answers
3k 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
174 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 ...
0
votes
2answers
287 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 ...