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

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86 views

14.04 Login Loop

I know there are already several questions about this problem. However, I did not find a solution using the answer already provided. I just installed Ubuntu 14.04 LTS dual-boot alongside Windows 8. ...
-1
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2answers
53 views

Ubuntu stopped working after update

After the actualization of yesterday (3/16/2016) my graphical interface shows malfunctioning (I have a nvidia gtx 750 ti and the login screen has a resolution of 640x480). But what is worse is that ...
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1answer
195 views

How to change login screen background Ubuntu Gnome 15.10

I'm using Ubuntu Gnome 15.10 and my gdm version is 3.16.2. I know that there are a few different threads here and articles at other websites about customizing the login screen in Ubuntu older ...
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1answer
41 views

Unable to log in after graphics driver change

After switching from the proprietary to the open source AMD GPU driver via the "additional drivers" menu, my display was not recognised properly after rebooting. It was automatically set to 93Hz (60Hz ...
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1answer
47 views

How to reset unity in Ubuntu 15.10 without WiFi

I have just recovered my Laptop from a GRUB issue now when I want to login, the screen splashes and go back to login screen, I can login fine using terminal, Some people say you need to reset unity ...
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0answers
74 views

Ubuntu 14.04 goes to Login screen after booting up - Automatic Login is ON

I am having a weird problem with Ubuntu 14.04 on my INTEL NUC for quite a long time now. When I boot up Ubuntu, It boots up automatically to the Desktop but then immediately goes to the Login screen ...
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0answers
36 views

Immediately returns to login screen after logging in

So I just had a software update on ubuntu 14.04 and now when I try to login, it just sits there for a few seconds then returns to the login screen. I've tried restarting and doing a few things I found ...
1
vote
2answers
253 views

Ubuntu 14.04 stuck in gui login loop and after fix attempt no login gui

My Ubuntu 14.04 was stuck in a login loop under all profiles including the Guest profile. I do get a terminal session through ssh from another computer, and I can Ctrl-Alt-F3 to a terminal. I tried ...
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0answers
12 views

Log on screen loading issues?

I recently just started having issues with my screen. Here is what happens. When I am on my machine for a certain amount of time then close my screen and it locks I use my sudo password to log back ...
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1answer
66 views

Not able to sudo after running `chown -R username:usergroup /*` [duplicate]

I am fairly new to Ubuntu. I am currently using Ubuntu 14.04 version. I am stuck into a problem that my primary user account is not functioning after i ran a command chown -R username:usergroup /* on ...
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0answers
26 views

Unable to use a session in Ubuntu 14.04 clean install

I am relatively new to Ubuntu. I've only used Linux for some Raspberry Pi projects, but I recently installed Ubuntu on an old computer for my wife to use at home. Computer: Dell XPS with Intel Core ...
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0answers
38 views

Unable to login with my main user account

I am using Ubuntu 14 and when I try to login with my main user account, it accepts the password, but it does not enter. It gets stuck there showing only the wallpaper. It neither returns back on login ...
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0answers
36 views

Ubuntu 14.04 crash when opening HTML file in firefox. Dual boot UEFI

So I just installed Ubuntu 14.04. The problem is that when I open an HTML file in Firefox, I get logged out to the login screen, and from this point I can't log back in for 2-3 minutes (I get logged ...
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1answer
20 views

how to make unity available on login-screen

I've installed unity over kubuntu 15.10 and I can see it on the login screen. how could I do to make it available?
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0answers
30 views

Ubuntu shuts down/restarts (live disc included) unless its booted from recovery mode

My hp pavilion 2700 boots normally right up to the login screen mostly then restarts. Sometimes I'm allowed pass that stage but soon after it restarts again. In recovery mode this issue doesn't exist ...
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0answers
114 views

Desktop login fails/loops , “Could not get UID of name …”

With Ubuntu 14.04.4, I cannot login with the unity desktop. No answer from Desktop login fails, terminal works helped. After latest update for 14.04, cannot log in to any user account did not help ...
0
votes
1answer
55 views

How can I fix lightdm login black border?

There is a black border around my login screen every time I boot up. I have a second monitor connected and noticed that the background of the first monitor shrinks so that it matches the background of ...
0
votes
2answers
203 views

Login Failure( redirects to login after enterning password ) in Ubuntu 14.04 [duplicate]

I'm unable to login to my account in Ubuntu. The login Screen appears and I choose me root account, enter the password and press enter. But unfortunately a black screen is displayed for couple of ...
0
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1answer
46 views

How to change lock screen?

I installed KDE in ubuntu 15.10, but the login screen is the one that comes with Unity. Is there any way to use KDE login screen instead?
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1answer
64 views

/etc/lightdm/unity-greeter.conf file and /etc/lightdm/lightdm.conf missing

In my Ubuntu 14.04 /etc/lightdm/unity-greeter.conf and /etc/lightdm/lightdm.conf files are missing. Only /etc/lightdm/users.conf file is there in /etc/lightdm/ directory. And login screen is not ...
1
vote
1answer
230 views

How do disable user list on login screen? (Prompt for username and password) Ubuntu 15.10

I was curious as to if there is a way to disable the user list on the login screen on Ubuntu 15.10, thus making it so that any user would have to enter their username as well as their password to log ...
0
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0answers
51 views

managing an LTSP Edubuntu server with thin clients

Hello there I am hoping some one can help me. I have set-up and Edubuntu LTSP server in my schools IT room which is working fine as it should, but I wish to be able to turn the server login screen to ...
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0answers
27 views

Login to Ubuntu OS via console (from remote)

I have already asked google for this problem but I could not find a solution yet. Here is my situation: I have a desktop PC in my room which im atm just using to play music. I have no keyboard, ...
1
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1answer
97 views

How to skip login screen?

I have Ubuntu Gnome 15.10. I installed lightdm using this command: sudo apt-get install --reinstall lightdm. But when I reboot/restart the PC now I get the login screen where I can choose between ...
1
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1answer
58 views

Why is the login screen different?

I'm running Ubuntu 15.10. A couple of weeks back my login screen changed to look like the attached. It flickers a bit. It also seems to have edged an imprint of this screen into my new monitor. I can ...
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0answers
29 views

My screen goes black with a few lines of code on the top for a few seconds then goes to login screen

I have Ubuntu 15.10 and when I use Liberoffice 5 and I have it maximized, so when I click on the menu bar my screen goes black with a few lines of code on the top for a few seconds then goes to login ...
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0answers
15 views

Why does my Ubuntu freeze at login with message “checking”?

This is my first question on AskUbuntu. My question is as the title says. Every now and then, when I try to login after locking user, this happens. I put in the correct password and hit enter. The ...
0
votes
1answer
115 views

Lightdm doesn't show wallpaper/background and colors are wrong

The symptoms of the problem are that only default Ubuntu wallpaper is shown in the login screen, the password field, host name (in the top left corner) and menu (in the top right corner) have an ugly ...
0
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1answer
106 views

Ubuntu keeps going to log-in screen on Oracle VM VirtualBox

I installed Ubuntu on an Oracle VM VirtualBox and when I log in, it seems to load, but then goes back to the login screen again. The same problem happens when I "try" or "install," except "try" brings ...
3
votes
3answers
213 views

Black Screen ubuntu 15.04

This is duplicate. But the older questions were not answered. So, you can count that this a reminder question (if no answer, I will set bounty). I have Ubuntu 15.04. Sometimes, when I open the laptop ...
0
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2answers
571 views

How do I login to Ubuntu directly using root account?

How do I login to Ubuntu 15.10 directly using root account?
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0answers
39 views

Lightdm Webkit Greeter, can't use it

I have Ubuntu 14.04, and ATI HD 7870, using fglrx-updates driver. I just installed lightdm-webkit-greeter to use some themes. However, to activated all the guides I saw said; change the: ...
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0answers
285 views

How to change default window manager to Lubuntu from openbox?

After crashing my Lubuntu 14.04, my PC shows me an "ugly" login-window and then loads a desktop environment (or more precise probably a window manager) that has a grey background and a context menu ...
0
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1answer
34 views

Password is not being accepted

I have Ubuntu 14.04 installed in my PC. It was working just fine but now, at the time of login, when I enter my password, Screen goes blank and again the login page is displayed. However if password ...
3
votes
0answers
44 views

Log in immediately following successful fingerprint scan, rather than having to hit button

is it possible to login immediately upon a valid scan rather than hitting the login button first? (similar to how Windows works in this regard) Using ubuntu 15.10
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0answers
81 views

Cannot install lubuntu-desktop because of lightdm-gtk-greeter

It appears as if my lubuntu-desktop was deleted from an autoremove. Now I try to install the package via terminal. When I do so it says that I need to install lubuntu-default-session because of ...
0
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0answers
76 views

Home encryption causes infinite login loop

Installed fresh 14.04 with home encrytion enabled. After opening desktop screen i changed root and main user's passwords.(before that they all were the same: user's, root's, encryption passwords) ...
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0answers
44 views

How do I get the fingerprint reader to work on a Lenovo W550s laptop?

OK so I have a Lenovo W550s laptop with Ubuntu installed (14.04LTS), on my laptop there is a fingerprint reader for login on windows. I would really appreciate if any of you guys could help me use ...
0
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0answers
131 views

Ubuntu 14.04 LTS login loop both in unity and gnome

after uninstalling a not-working Chinese input method, I have been experiencing a login session loop problem. After I type the correct password for the login, the screen blinks and comes back to the ...
0
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0answers
36 views

15.04/15.10(?) freezes when logging in

I boot into the login screen. A notification is displayed in the top right corner every time. It's completely black so I have no idea what it says. The screen goes black for a moment and then I'm back ...
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0answers
161 views

How to get back Unity Greeter? Replace MATE Greeter?

So I installed Ubuntu Mate desktop environment for my 14.04 LTS (Trusty) and I am really liking it but Mate also replaced the Unity greeter which I want back... I searched about how to get back the ...
0
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0answers
12 views

How to get back Unity Greeter? [duplicate]

So I installed Ubuntu Mate desktop environment for my 14.04 LTS (Trusty) and I am really liking it but Mate also replaced the Unity greeter which I want back... I searched about how to get back the ...
1
vote
0answers
34 views

Guest login support in lightdm webkit greeter

I'm having trouble getting the guest login option to work in the Webkit LightDM greeter, which is a shame as it's otherwise a superb tool for developing custom greeters. Looking through the source on ...
12
votes
4answers
327 views

Set a password, yet it logs in without one

My account is an administrator; I'm using Ubuntu 14.04LTS. I've set a password and set automatic login to OFF, yet when I wake up from suspension or reboot if I just press Enter or type in anything ...
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1answer
83 views

How can I customise my Ubuntu login page for 15.10?

I had installed Ubuntu formatting my Windows. I need my login screen look beautiful instead of default screen. How can I get it?
0
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1answer
237 views

black screen before login screen

I'm using Ubuntu 14.04 LTS on my laptop. I installed the drivers for my graphics card from AMD Support (first download). Then I restarted my laptop. Now I have a black screen before the graphical ...
0
votes
1answer
93 views

Login screen on Ubuntu fails to go into full screen or to fill window

The login screen on Ubuntu fails to go into full screen or to fill window. However, when logging-in to user accounts, the screen does go full. I have already installed Guest Additions correctly and ...
0
votes
1answer
144 views

Intel Computer Stick Black screen after restore clonezilla image

I'm having some problems with a project I'm working with Intel Computer Stick. When I clone the finished project and restore the image to another computer stick with the same spec I can't log to the ...
0
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0answers
11 views

Black screen when open session [duplicate]

I try to open my session on Ubuntu 14.04 LTS. I write my password and press enter, then the screen becomes black and returns to the login screen. When I read the auth.log file, I obtain this: Dec 2 ...
0
votes
1answer
93 views

Unable to enter password to login in control alt f1 screen

Disclaimer: I am BRAND new to Ubuntu. A quick background: my laptop hard drive crashed, I bought a new one, didn't want to pay for windows for an old laptop, installed ubuntu, it worked great for a ...