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

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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 ...
0
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0answers
84 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
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1answer
43 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
194 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
42 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?
0
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1answer
56 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
178 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 ...
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0answers
46 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
26 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
vote
1answer
78 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
vote
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
28 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
14 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
81 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
votes
1answer
98 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
208 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
378 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
37 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
215 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
votes
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
43 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
73 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
71 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
43 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 ...
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0answers
121 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 ...
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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
119 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
31 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
325 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 ...
-1
votes
1answer
79 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
votes
1answer
191 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
85 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
131 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
80 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 ...
1
vote
0answers
30 views

CLI login issue

A failed graphic card update has led me to this. I can login to either of the local system user accounts shown on the GUI screen but when this is done, the screen flashes black and then I am returned ...
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0answers
112 views

Login screen resolution to high but after login its ok

i have bought a this new Zenbook UX305F from Asus, and instaled Ubuntu 14.4. After install every thing was to small on screen this means too high resolution 3200x1800, i then selected 1320x768 and its ...
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vote
0answers
48 views

Lubuntu 14.04 black screen after decryption

I have several times installed and uninstalled VirtualBox, because Windows would not start. VirtualBox has been updated yesterday with the updates. Then I wanted to maintain the system and have ...
3
votes
1answer
140 views

Login Screen Desktop Manager?

Is the Login handled by a desktop manager? If so, what happens if I install another desktop manager (which one will provide the login?) and how to control which one is used? Whenever I login it looks ...
0
votes
0answers
306 views

startx fails on raspberry pi 2

I've installed Ubuntu on my raspberry pi 2. After logging in, I ran sudo apt-get install ubuntu-desktop. After a reboot, the pi loads to a login screen. If I put in the correct password for the ...
0
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0answers
14 views

How to display any image before login screen appears [duplicate]

I am new to ubuntu.My question is when i power ON my PC before login screen appears i.e., after boot process i want to add any image to display before login screen.
0
votes
0answers
303 views

Why can't I switch from Plasma to Gnome in Kubuntu 15.10?

I just upgraded to Kubuntu 15.10 from 14.04 LTS. The login screen has a dropdown offering me Plasma, Gnome, and Failsafe. However, the only option that works is Plasma. When I choose Gnome and enter ...
0
votes
1answer
2k views

LightDM & SDDM fight on greeter screen

I had installed Kubuntu 15.04 sometime ago. I upgraded to 15.10, things were going fine till I added ubuntu-desktop to use Unity DE. When booting with systemd, on startup or login, I get black or ...
0
votes
1answer
72 views

Installation of Ubuntu: Gets straight to login screen and turns black after login

I tried to install Ubuntu 14.04.3 LTS from a DVD to delete my current Windows 10 System. In the bootmenu after I clicked "Try Ubuntu" the OS leads me straight to the Login Screen. After I entered ...
0
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0answers
90 views

Ubuntu is terribly slow at logging in and initializing the greeter

I installed ubuntu and it takes a long time until I'm able to type my password; the login-screen/greeter takes a high amount of time to let me type in something. The thing I see before is the greeter ...
0
votes
0answers
45 views

Both Unity and Gnome Shell of VMWare results in login loop

I have installd Ubuntu 14.04 on VMWare Player 12 on a Win7 host, When I login to Unity or Gnome Shell, it just goes back to the login screen, I tried deleting the .Xauthority but that doesn't help. ...
2
votes
0answers
378 views

Flickering screen appears while starting lenovo G580 laptop with ubuntu 15.10

I have recently installed Ubuntu on a Lenovo G580 20157. During the installation an error message showed up and the screen flickered. But when I pressed the Esc key the flickering stopped and Ubuntu ...
1
vote
0answers
28 views

How do I completely uninstall default Unity Greeter and use text mode login instead? [duplicate]

If I would like to completely uninstall the default Unity Greeter and use text mode login instead, how should I go about it? I am using Ubuntu 14.04 LTS - the regular flavor; with Unity. I prefer a ...
13
votes
3answers
3k views

Ubuntu 15.10 randomly crashing back to login screen

fresh install of Ubuntu 15.10 here. Everything works fine, but I'm getting random crashes back to the login screen. I pasted my syslog here: http://paste.ubuntu.com/12989589/ Edit: Confirmed bug on ...