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

learn more… | top users | synonyms

2
votes
0answers
30 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
45 views

Can't get Unity to reload after closing LightDM (Ubuntu 14.04.2 LTS)

Earlier this morning, my computer was running a little slow, and I decided to try to close Xorg using the System Manager(btw, I had done this a couple of times before without any ill effects). ...
1
vote
1answer
55 views

Completely unable to login

I've been trying to add more security to passwords, etc. I did the following things (in Ubuntu 14.04.2 LTS) in /etc/pam.d/common-auth, added (as first line) auth required pam_tally.so onerr=fail ...
0
votes
0answers
128 views

How to setup xorg to use multiseat in Ubuntu 14.04

I trying to setup multiseat on clearly installed ubuntu 14.04.02 with core i3 integrated video and nVidia GT260 video cards. I followed this miltiseat instruction on wiki.ubuntu and manual Multiseat ...
0
votes
1answer
366 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 ...
1
vote
0answers
21 views

Unable to log in to any user account and with different Display Managers

All attempts to log in to my user account, guest, or an account I created to test get instantly thrown back to the login screen. I can log in through tty1 etc. I have tried deleting .Xauthority and ...
1
vote
0answers
14 views

After logging in through a display manager, xfce presents me with only a cursor and wallpaper (no icons, menus, etc.)

I had a hard drive stop working last week. Not a big problem, I just purchased a new one and restored the latest backup (I back it up using rsync on it while it is running). I get the computer working ...
3
votes
2answers
202 views

Removing the white dots from lightdm on 15.04

I have tried the approach that I have used before on earlier releases of Ubuntu but on 15.04 I have found that the following commands are not working. sudo xhost +SI:localuser:lightdm sudo su ...
0
votes
1answer
33 views

How to show a popup after login in 14.04

I tried to follow the procedure in the answer to this question How do I create a popup banner before login with Lightdm?, but I just get a blank screen. If I run my shell script on its own, I get the ...
0
votes
1answer
43 views

Problem logging into default Desktop Environment

I have just upgraded to Ubuntu 15.04, and now I have a problem. I cannot log graphically using the default desktop environment. When I log into the system it does nothing, and the logging screen ...
0
votes
0answers
215 views

Restore LightDM to original settings

I was playing around with "Ubuntu Tweak" and changed some of the greeter settings. Now I would like to restore LightDM to default. I believe the greeter is supposed to mimic the account background but ...
4
votes
3answers
302 views

Computer logs out while I lock screen

Recently, my laptop is behaving strangely sometimes. It doesn't usually does this but lately it frequently does. The problem is that whenever I lock the screen, the computer logs out and closes all ...
1
vote
0answers
13 views

Automatic Login to Desktop with Xubuntu Vivid 15.04? [duplicate]

When I boot up the computer, I'd like it to boot right to the Xubuntu desktop, rather than prompting me to login with lightdm. I'm aware that I can set up lightdm to not ask me for a password, but it ...
0
votes
1answer
102 views

unable to access to lightdm after messing with fglrx drivers and screwing up Xorg

I recently removed the fglrx driver from my ubuntu 14.04.2 laptop computer after noticing that it's not really good for the battery life. But after restarting I ended up with this screen (after the ...
0
votes
1answer
54 views

lightdm restarts in cycle when using /etc/X11/xorg.conf

I have a monitor Acer H233H and want to set resolution of 1920x1080. I googled it and found that it's necessary to use /etc/X11/xorg.conf. I created this file using sudo Xorg -configure, copied it to ...
1
vote
1answer
127 views

My ubuntu 15.04 file system is not writable

The problem started when my lightdm config got messed up and would only boot to a black screen with a cursor. In an attempt to fix this I booted up into recovery mode, dropped into the shell and tried ...
0
votes
0answers
47 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
60 views

Windows distorted, can't start lightdm - now can't even boot in graphics mode anymore

I have kind of an urgent problem here as my laptop turned out to be completely useless while on a trip. I'm using Ubuntu 14.04 on a Lenovo U410. When I boot, there is no problem. The login screen ...
0
votes
1answer
71 views

monitors.xml and LightDM

Firstly some background information: I have a 4 monitor situation, with varying resolutions - 2 monitors landscape (1680×1050,1920×1200) and 2 monitors portrait (both 1050×1680). Once I'm logged in my ...
1
vote
0answers
21 views

Ubuntu 12.04 : Adding widgets to the login panel

not sure where to start here, it's an area of config I'm not familiar with. Just wondering, is it possible to write some custom widgets for the panel that appears on the login screen? I've found ...
0
votes
0answers
50 views

Login screen refuses to go away, after many, many tries and much research

So the current state of my computer; Dual boot, with Ubuntu 14.04 taking up a 90% of my hard drive partition, and WinXP taking up the other ten percent for games and such. For whatever reason, ...
3
votes
1answer
97 views

After latest update for 14.04, cannot log in to any user account

I just updated 14.04 to latest patches using the GUI: software update. After that, a restart was required, and now cannot log into any of my accounts. I am sure the passwrds are all correct, it just ...
2
votes
1answer
145 views

How to make X.org listen tcp port to remote connections? [duplicate]

Ubuntu 15.04 64-bit desktop. After install system X server run with -nolisten tcp option: 922 tty7 Ssl+ 0:05 \_ /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp ...
0
votes
1answer
46 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
16 views

ubuntu 12.04 falls back to login or no icons in gui [duplicate]

after hours of searching for solutions i am quite confused and frustrated now. None of the solutions here helped. This is what happend and what i did. Suddenly after days of offline the 12.04 ubuntu ...
1
vote
2answers
2k views

kubuntu 15.04 upgrade: many problems

I'll just toss here a list of problems I have with the recent upgrade to kubuntu 15.04 I'll accept that all my settings are gone because of the change of framework 4 to 5 (it would have been nice to ...
0
votes
0answers
50 views

How to setup LightDM mutiseat with logind

I have tried to setup a multiseat environment for my mediacenter (VT7: Kodi Autologin, VT8: XBMC Autologin) since Utopic. It didn't work there, so I assumed a bug. Now I retried with Vivid, still ...
0
votes
2answers
106 views

Trouble Installing Nvidia Driver

First time user here; Just installed Ubuntu 14.04 and I am currently desperate to install 970 Nvidia Drivers. It gives me an error saying that X server is currently running and needs to be stopped, ...
1
vote
0answers
32 views

How do I repair a bad startup script?

In Ubuntu 14.10, I followed this answer to autostart synergyc on boot, but, it caused my computer to boot into low graphics mode. See askubuntu.com/a/196853/15811 So how do I remove / repair a bad ...
0
votes
0answers
25 views

No login background and Ubuntu logo after fresh installation of Ubuntu 14.xx

Got a strange problem. I use Ubuntu a few years now. Recently I've updated from 14.10 to 15.04. After that there was no background or Ubuntu logo with version at the bottom. Just violet screen with ...
3
votes
8answers
5k views

In Ubuntu 15.04 can't do graphical log in

I have done clean install recently of Ubuntu Desktop 15.04. And I was able to log in to the graphical environment until I enabled "boot to text" like said there: How do I disable X at boot time so ...
6
votes
2answers
4k 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 ...
1
vote
0answers
102 views

Shared remote desktop over lightdm after reboot

On an Ubuntu 14.10 box, I set up vino-server and enabled remote desktop, which allowed me to see the applications currently running as the user sees them. However, I could not log in if the computer ...
1
vote
1answer
64 views

“Your system is running in low graphics mode” error

I'm quite new to ubuntu. I recently downloaded pycharm for python development. The fonts on the pycharm editor looked broken, so I was googling for a fix. I stumbled upon this stackoverflow thread and ...
1
vote
1answer
40 views

Desktop never loads when using I Nvidia drivers

I upgraded to 14.04 on a Macbook Pro 5,5 and now none of the Nvidia drivers work. If I install nvidia-current, that installs the 304 driver, which appears to actually be the oldest. With that, I ...
1
vote
1answer
110 views

Setting a default input language for lightdm lock screen

My lock screen shows up after a few minutes in which I am not using the computer. This is a wanted behaviour. However, it often switches the input language to Hebrew, or perhaps just taking the last ...
1
vote
1answer
285 views

Change lockscreen in MATE?

I want the lightdm-webkit-greeter to be mine lockscreen, do you know how to change it? I found a way how to add Xscreensaver screensavers to mate-screensaver or even change background, but no word on ...
1
vote
0answers
271 views

Black screen and login loop after updates Ubuntu 14.04 LTS

I have been using 14.04 LTS for a year now, perfection! Then this week I had new updates, for which one of them had an error. I cannot recall which one had the error. After reboot the login screen ...
0
votes
1answer
61 views

lightdm login gives blank screen then returns to lightdm

After typing in my password in lightdm, I get a blank screen and then I'm returned to lightdm. I'm unable to find any obvious problems in /var/log/lightdm or /var/log/Xorg.0.log (though I'm happy to ...
0
votes
0answers
15 views

How do i stop the greeter from changing on lock or suspend

I have installed xfce on 14.04 unity distribution and every time I lock the session or suspend, my greeter changes from the unity default one to a xubuntu skinned one, I have not figured out why. I ...
0
votes
0answers
11 views

Looks like my window manager is not starting after upgrade [duplicate]

I upgraded to 14.10 just the other day, and the upgrade appeared to work fine. I get the login screen just fine, but when I log in, all I get is the wallpaper and the "Ubuntu 14.10" in the lower left ...
1
vote
0answers
94 views

switch user leads to black screen

I'm on the latest 14.04 with nvidia-331 drivers installed. Everything runs smoothly just when I try to switch user I get a black screen. Suspend and logout works with no problems. Somehow I managed ...
0
votes
0answers
51 views

Ubuntu 14.10 randomly freezes - have to restart lightdm through TTY

I have Ubuntu 14.10 64 bit installed on my HP Evny DV6-7213nr laptop on the old Recovery Partition, no WUBI. I have the latest ATI Catalyst Omega 14.12 drivers installed and everything works great, ...
1
vote
0answers
18 views

Can I add a music player to the login screen? [closed]

I was wondering if I can add any music player on login screen. Think about it like on your smartphone. Is there a way?
0
votes
1answer
51 views

After switching from gdm to lightdm my screen turns off when I come to the login

I tried to change my Display Manager from gdm to lightdm. After a system restart everything was normal until I got to the login place. Instead of seeing the login screen I only heard the sound of the ...
1
vote
0answers
105 views

Ubuntu 14.10 - Wrong greeter screen resolution

I'm currently running Ubuntu 14.10 set to a resolution of 1920 x 1080, but on start up of the system, the resolution is incorrectly set to 3840 x 2160 (with no scaling) at the greeter screen. On ...
0
votes
0answers
112 views

How do I set-up LightDM and gnome-session-flashback to use XDMCP?

I'm trying to create a terminal session on another computer in my local area network. I have used XDMCP in the past, but it's pretty long ago ('06 & '07). I remember it being a breeze to set-up ...
1
vote
1answer
38 views

What are the names of the icons that LightDM uses?

I'm currently trying (and failing) to make a system icon theme for the Ubuntu LightDM login screen. I really hate the default ubuntu-mono-dark icons, and would like to use my own set of icons. After ...
0
votes
0answers
80 views

Complication over VNC, lightdm and startx

I managed to run x11vnc server on my Ubuntu 14.04. I can log into my Ubuntu from my Windows PC using UltraVNC Viewer. The Ubuntu machine is headless. I followed instructions below. ...
0
votes
0answers
132 views

Cannot login on 14.10 GUI

So I booted up my laptop like normal and got to my login screen (unity) and once I logged in I was brought to my desktop with icons missing, then thrown back to the login screen. I tried changing my ...