LightDM (Lightweight Display Manager) is a Display Manager for the X.org X server.

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9 views

Wake from suspend, password field missing?

Ubuntu 14.04. Brightness & Lock settings are to turn off screen after 10 minutes and lock screen after 30 minutes. 50% of the time, when I wake my computer from suspend, the login field to enter ...
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1answer
18 views

X11 doesn't show windows edges, task bar nor anything

I've got a problem with X11 as when I turn on my computer, after the system has launched, I see only my desktop. I don't see the upper nor left bar. When I doubleclick a file on my desktop, a new ...
-1
votes
1answer
22 views

How to change Ubuntu's default login screen for gnome ubuntu login screen?

I'm using 14.04 LTS with unity, but i removed the ubuntu desktop and installed the gnome ubuntu desktop instead, since unity has given me some errors... The thing is, im happy with gnome, but the ...
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0answers
34 views

Can't log in Ubuntu 14.04 LTS

I have been using Ubuntu 14.04 for a while. After a reboot this morning, I can't log in from the login screen. It flashes back to the login screen after the correct password is entered. I have ...
0
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0answers
18 views

rk3288 shows only splashscreen

I've installed ubuntu 14.04 from t-firefly to my rk3288 micro-computer. LightDM was there and I wanted to turn off its autostart and wrote "manual" to /etc/init.d/lightdm.override. After reboot I ...
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1answer
70 views

nVidia on Ubuntu 14.04 black login screen (not freeze)

Recently I installed STEAM on my Lenovo IdeaPad Y510p (core i7 + nVidia 755m) laptop running Ubuntu 14.04. I want to use nVidia for sessions when I play games and Intel for everything else. Therefore ...
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0answers
13 views

How do I set the background for lightdm-kde-greeter

I'm running Gnome desktop in 12.04 and installed the lightdm-kde-greeter. But I'm not sure how to change the background. Google has been no help, as all the suggestions say to go to the System ...
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0answers
13 views

Handling laptops with docking stations on XFCE

Anyone here running a setup in which they use a laptop + docking station setup for XFCE? At work, I plug/unplug from multi-monitor setups all the time and on unity I didnt have an issue (Radeon ...
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0answers
98 views

Ubuntu 14.10 Lightdm greeter resolution before login

There are various answers for changing the resolution of the Lightdm greeter before login by adding a root executable script to /etc/lightdm/lightdm.conf like this: [SeatDefaults] ...
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1answer
22 views

Strange Driver Corruption

So I have a "portable" install of 14.04 (I installed the full distro on a USB3 stick) and I'm having the strangest driver corruption/bug: As you can see, anything that uses it's own renderer (I ...
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26 views

How can I disable the lock session (not just in a specific gnome-session but for anyone who uses a certain machine)

I have several machines running ubuntu 14.04 LTS and there are a lot of users that log in and out of them (not local users). I wish to prevent any possibility of a user locking the screen in a ...
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40 views

How to remove the shutdown/restart/log out options from unity lockscreen?

I am using Ubuntu 14.10 on one computer and 14.04 on another.After hours and hours of searching around the internet,and having uninstalled lightdm(replaced with gdm),uninstalled xscreensaver(replaced ...
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0answers
23 views

Unrecognized keyboard layout after login

Two of my computers running Ubuntu randomly ignore the configured keyboard layout and fall back to qwerty. On one computer the configured layout is "Français" (French), on the other it is a bépo ...
0
votes
1answer
44 views

Problem with LightDm on Ubuntu 14.04 server

I have a fresh install of Ubuntu 14.04 server and installed lightDM (apt-get install lightdm) , started lightdm (start lightdm) a login screen appears with an error "Failed to start session" as ...
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0answers
51 views

snd_hda_intel fails to load and black screen after delay

two days ago I modprobe -r snd_hda_intel and modprobe it back. Today I got a black screen after a certain delay when loading lightdm. Here's the message in dmesg: [...] [ 47.313515] snd_hda_intel ...
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0answers
32 views

Higher Resolution Xrandr 1400x1050 Legacy GPU

Dear Ubuntu Community, recently I (re)found my 10 year old Sony Vaio laptop, a PCG-GRT916V to be exact. I immediately had the idea to put this old laptop to good use. Over the course of two weeks I ...
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votes
1answer
63 views

lightdm-gtk-greeter keeps loping into login screen

Since I had problems with unity-greeter I had installed lightdm-gtk-greeter and it keeps looping into the login screen. 14.04 ubuntu I have several solutions: removing .Xauthority file, reinstalling ...
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0answers
15 views

Is it possible to display a splash screen when you disable the GUI

On my system I have removed lightdm. When the system starts it attempts to load up tty7 but since it does not have lightdm it is unable to boot up the GUI. So tty7 is the initially loaded which ...
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0answers
35 views

lightdm-gtk-greeter session loading fails

I have installed lightdm-gtk-greeter. This worked fine for a while. When I tried to shift to unity-greeter (which I could not) and so reverting back to gtk-greeter it presents the login screen, where ...
2
votes
0answers
25 views

Lightdm greeters?Where can I find some?

Is there a place where I could find a list of lightdm greeters and where I could download them? I would very much like to see some custom made greeters so I can fully customise my Ubuntu :) I know ...
1
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1answer
115 views

The system is running in low-graphics mode in Ubuntu 14.04 and /etc/lightdm/lightdm.conf missing

I always see the low-graphics mode error and have tried several solutions (links below) but in vain. [intel graphics, Ubuntu 14.04 running on a dual boot with windows7] How to fix "The system is ...
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1answer
38 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 ...
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0answers
13 views

X server boots on unconnected screens rather than on internal laptop screen

I usually use my laptop with 2 external monitors (Lenovo T520 with docking station supporting 2 DVI outputs) which generally works fine. I always keep my internal screen turned off. Unfortunately ...
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0answers
19 views

Display is broken after login [duplicate]

I have big problem with settings $DISPLAY and xorg. After login to my account screen is black for few seconds and back to login page again. It is only for one account on my computer and I think I need ...
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0answers
8 views

Adding a 'help' button to the logon screen

I would like to add a custom 'help' button to the logon screen of Ubuntu 14.04. When this button is pressed, I want it to display a text box. And I only want the button to be present at the logon ...
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2answers
51 views

Problems loging in gnome-session after upgrade to 14.04

I just upgraded from ubuntu 12.02 LTS to 14.04 LTS. After a miriad of problems which i was able to solve one by one, the upgrade was successful. It was however impossible to log in the default gnome ...
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1answer
74 views

Where is “session sufficient pam_lsass.so” and the “/usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf”

I am new in Ubuntu, Ubuntu Server 14.04 LTS. I am setting up a Samba File Server and join it to our domain. I configured some of the configuration, but in the step 6 of this guide, I was unable to ...
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0answers
72 views

Auto-detect new monitors/TVs and resize screen resolution in Ubuntu 14.04 Server

I have an Ubuntu Server 14.04 LTS installed on Zotac ZBOX CI320 Nano which has two video sockets: HDMI and Display Port. The PC hosts my website, download torrents, runs XBMC media center software ...
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0answers
73 views

How can I make lightdm scale on a hidpi screen?

I have a laptop with a 3200x1800 screen. When I start up my laptop, lightdm doesn't scale to the resolution and looks tiny. When I lock the screen afterwards, lightdm scales and looks fine. I found ...
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0answers
21 views

exlude users from display manager [duplicate]

I just did a fresh installation of Ubuntu 14.04. To not break anything, I created the default user during install, but I neither need nor want it. I added my usual users (UIDs > 10000), which work ...
1
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1answer
158 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 ...
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0answers
46 views

Ubuntu 14.04 Guest Account - Disable CTRL ALT DEL

I'm setting up a Ubuntu Linux install as a base for VMWare View. I have it set to auto login using the guest account. The guest account is perfect for this because when the machine restarts it ...
1
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0answers
20 views

Remove LDAP users from Lightdm greeter user list

I have default user accounts which are local to my system and I want to show them in a user selection list. This is working. Recently, I've enabled logins with LDAP. The flow is selecting "Other..." ...
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votes
2answers
101 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 ...
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votes
1answer
39 views

Can't Login using GUI

I can't login to my standard or guest session using the Ubuntu GUI.I think its a problem of the greeter because I can login to my standard account in console mode.However there is no problem in login ...
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0answers
33 views

Error while login in Ubuntu using Fingerprint GUI

When I am trying to login in Ubuntu using Fingerprint GUI I receive the following error : ERROR: FOUND ENCRYPTED HOMEDIR BUT NO PASSWORD I have installed my fingerprint for both sudo and su ...
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0answers
31 views

Freezing, Errors and Display Manager PRoblems

I'm running ubuntu 14.04 I think thats the version, I recently had problems with what I'm thinking is the display managers. first my laptop(with ubuntu on it) was having problems with freezing, it ...
0
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1answer
56 views

UBUNTU 14.04 LTS Date and time is not displaying in the menu bar after login

At the time of login, it displaying date and time in menu bar, once I logged in It disapears from the menu bar. I have tried these mentioned below: First approach: sudo apt-get install ...
2
votes
1answer
54 views

Meaning of files under /etc/lightdm/lightdm.conf.d/?

I installed Xubuntu from an .iso image. Then I installed ubuntu-desktop package from the repositories and removed xubuntu. However, the only file under /etc/lightdm/lightdm.conf.d is 10-xubuntu.conf. ...
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0answers
22 views

Disable unity-greeter dynamic switching (12.04)

Ubuntu 12.04 Unity greeter has introduced selected user dynamic background, that means that when selecting a user from the available users list the background will change to reflect the selected ...
1
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0answers
25 views

why can't i resume after using lock/hibernate mode?

First of all, hibernate has been very iffy for me. And then when I open my computer back up it goes to the Light Display Manager login. I usually can "Ctrl-Alt-F7" to get to the regular login, but ...
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vote
2answers
61 views

Disable touchpad at login screen

EDIT (revision 4) According to this ubuntuforums.org post, upstart cookbook and CameronNemo's answer, I tried to change the first line with start on login-session-start and I moved the conf file ...
1
vote
2answers
49 views

lock screen has turned to an old design

It's been two weeks since I installed Ubuntu 14.04 and today I found out my lock screen has turned to a very old design. like this image: I am new to Linux and I tried to fix the problem but I got ...
0
votes
0answers
106 views

Screen flicker, ubuntu 14.04 freeze when changing resolution/display settings

If I login into Ubuntu 14.04 (not with 12.04), and I try to change either the resolution or plug into an external monitor via the HDMI port, everything freezes and: either everything goes dark/black, ...
0
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0answers
32 views

Ubuntu wont boot, stuck at logo screen

I recently removed my win7 and installed ubuntu 14.04. Everything was fine until i tried to install newer nvidia drivers. I followed the guide, and it said to stop light, so i typed it in the ...
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0answers
67 views

no GUI after installing amd catalyst driver

I'm running a DELL inspiron 3537 with 64 Ubuntu 14.04. After asking around I've decided to install the drivers for the computer. Here's what I did: install the intel driver from here reboot ...
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votes
2answers
41 views

Screwed up lightdm file and am now in login loop

Upgraded from 12.04 to 14.04...upgrade worked but ran into permission problems mounting usb stick and launching applications. Attempting to fix this I edited and saved lightdm....am now stuck in login ...
0
votes
1answer
71 views

Missing Login screen (kdm missing? plasma5) [closed]

I installed plasma5 on 14.10 and had bunch of problems. I was in a hurry to fix, so removed/reinstalled blah blah blah bunch of packages, including probably lightdm and kdm. Now I want Plasma5 back, ...
0
votes
1answer
47 views

LightDM won't start after Grub - Cannot Access TTY unless closing and re-opening lid

I am running Ubuntu 14.04 on an hp envy 17 3D. New installation + ATI Drivers I would appreciate some help troubleshooting what I think is a LightDM issue which I have not been able to solve. When I ...
0
votes
1answer
65 views

Kubuntu 14.04 login fails after lightdm/ xdm/ lightdm swap [duplicate]

I am running kubuntu 14.04. Recently as part of a python development project changed the DM to xdm. Since then I have not been able to get the system to let me back past the login page. To be ...