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

learn more… | top users | synonyms

7
votes
0answers
1k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
3
votes
0answers
230 views

After Upgrade from 13.04 to 13.10 missing user in login screen

I have upgraded to 13.10 from 13.04 now after booting (even after updates and rebooting) my user id is not listed. It has a uid higher than the minimum in lightdm.conf. I have the user light display ...
3
votes
0answers
318 views

Xubuntu: How can I avoid the double-password entry (lightdm then xscreensaver) on user switching?

I'm running Xubuntu raring with lightdm and xscreensaver. Both users on the system have xscreensaver set to lock the screen after n minutes. However, when I click "switch user" (or do gdmflexiserver ...
3
votes
0answers
433 views

Lightdm not working at all since bumblebee install!

I'm relatively new to Ubuntu, so please excuse me if my question is stupid... So a few weeks ago, I bought a Gigabyte U2442N with Optimus Graphics (a 640M and a HD4000). I installed the stable ...
3
votes
0answers
400 views

How to get 12.04's login screen (lightdm) to display the shutdown menu like 10.04 when the computer's physical power button is pressed?

In Ubuntu 10.04 while at the login screen (gdm), when the computer's physical power button was pressed a screen popped up that offered options on shutting down the system (shutdown, restart, cancel, ...
2
votes
0answers
26 views

How can I start a LightDM session via SSH?

I'm connected to an Ubuntu 14.04 machine via SSH and I want to start the lightdm session for testing purposes. I don't want to forward the X server to my local machine. I just want to start the ...
2
votes
0answers
39 views

Changes in /etc/lightdm.conf.d/*conf or /etc/lightdm.conf makes any difference

I am trying to make my lightdm use a correct setup of my displays both for login and session. I have most likely misunderstood something here, but by reading the wiki I did the following: I have ...
2
votes
0answers
38 views

When I turn my monitor on after it has been off, it does not display anything

I am running Xubuntu 14.10 on a desktop and use LightDM. As I said in the title after I turn off my monitor (with the computer already on) and then turn it back on again there is no input from my ...
2
votes
0answers
50 views

Can this error cause computer to reboot

There are 11 computers in my classroom. Yesterday they began to reboot randomly, all of them. I reinstalled Ubuntu and got this error everytime. Also, after reinstalling the rebooting continued. Can ...
2
votes
0answers
42 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 ...
2
votes
0answers
98 views

Ubuntu Touch: kill Windows Manager and start xterm in GUI Mode

I installed xterm and I would want it to be the Only GUI application running. so I killed the lighdm using: sudo service lighdm stop. and try to run xterm using: sudo xterm through a SSH ...
2
votes
0answers
108 views

Prevent light-locker from setting volume to 100%

I'm on 14.04 with XFCE. When I lock the screen it appears to mute the system volume (or perhaps just mute anything from the locked session?). When I log back in the volume is reset to 100%. This ...
2
votes
0answers
2k views

Unable to reinstall unity-2d on Ubuntu 14.04 desktop LTS?

It is wiered that I'm not able to reinstall unity-2d on my system. I removed it as it was not ready to go into the 2D mode. I have XRDP install for which I need Unity-2D. after removing the unity-2d ...
2
votes
0answers
120 views

How do I rotate the login screen?

So I am trying out the 14.04 and I keep both of my monitors in portrait mode. But the login splash is in landscape. But I can't seem to figure out how to rotate my login splash or where the config is ...
2
votes
0answers
63 views

x11vnc and screen help

hello all i am asking once again for a little help. here is my question i am trying to run a x11vnc the thing is i want it to be launched with a service command but not at startup and as well i want ...
2
votes
0answers
103 views

Login to black screen with cursor

Sometimes, after login, it goes to a black screen without any hard disk activity while mouse cursor works. I login to the terminal by pressing Ctrl + Alt + F4 and restart the X server using this ...
2
votes
0answers
187 views

.xinitrc not sourced in 13.10

I am using gnome / lightdm / ubuntu 13.10. I have some customisations I want to do in ~/.xinitrc, but it seems this file is not being sourced at startup. I've tried also with .xsessionrc and ...
2
votes
0answers
883 views

Multiple users over VNC - lightdm

I'm a student and I have access to a pretty powerful machine in the University lab. I've been trying to allow my roommates to remotely login to my machine on an account that I've created so that they ...
2
votes
0answers
899 views

cannot click in some windows, ubuntu 13.04 64bit

EDIT: I tryed both, lightdm and gdm. ''sudo restart lightdm'' helps temporarly. I cannot click in firefox until I start something else e.g. shell. But than the mouse cannot click anything outside ...
2
votes
0answers
203 views

Getting a blue wallpaper screen with no desktop bars

I just got a linus VPS after like 6-7 months. I installed a clean copy of 11.10, and then used this tutorial to install ubuntu-desktop and get a VNC connection going: ...
2
votes
0answers
204 views

lightdm - enable 3 and then 4 monitors

I've just completed a Ubuntu 12.10 server build on a HP XW8400 desktop with 2 x GeForce dual head DVI gphx cards. On the build bench I had 1 monitor connected & worked perfectly. 1920x1200 ...
2
votes
0answers
625 views

Is there a way to use LightDM and Unity but get a lock screen like GDM in 12.10?

I like the GDM locked screen theme a lot! But even if i set GDM as the Display Manager but log in to Unity session,the lock screen remains that oh LightDM... I want to use LightDM as my login Display ...
2
votes
0answers
319 views

lxdm won't login to Ubuntu 2d or Gnome classic

I installed Ubuntu 11.10 on an old Dell Centrino/512mb machine that was running too slow with Windows to be useful. I am completely new to Linux and muddling my way through as well as I can. The ...
2
votes
0answers
530 views

Problems with both LightDM and GDM using DisplayLink USB monitor

When I use LightDM, it will auto-login to desktop just fine. The only problem is Compiz doesn't work, and menus don't work. I can't right-click the desktop, and I can't select program menus in the top ...
2
votes
0answers
69 views

LightDM and introductory screen

How can I set original introductory screen and LightDM, they changed after installing the system administrator KDE.
2
votes
0answers
324 views

How do I configure LightDM so user could choose session type only

I need to configure LightDM, so user could only choose session type which will then start automatically without password. And when he had choosen 'kiosk' session, it should start as quest. When he had ...
2
votes
0answers
426 views

Sluggish switching of desktop environments in Ubuntu 12.04

Whenever I switch from Unity to Gnome Shell or Classic Gnome, it sometimes takes what seems to be an awful long time to get to the new desktop. If I remember correctly, one time it took over 2 mins. ...
2
votes
0answers
1k views

Login screen restarts while entering password

I am having a problem that only occurred after installing the fglrx proprietary driver through the additional drivers app. The exact same issue is described in this question, however it's closed. ...
2
votes
0answers
367 views

What does “error reading login count from pmvarrun” mean?

I have the above mentioned error in my /var/log/auth.log file and just try to figure out if this is a harmelss statement. As far as I understand does pmvarrun tells the system how many active ...
1
vote
0answers
27 views

Desktop Environments Incorrect After SLiM Install

I am working on making an automated install based off of Lubuntu using Debian Installer so that the install is as automated as possible (a few inputs at the very beginning). So far I am mostly pleased ...
1
vote
0answers
10 views

LightDM login Background Sync with Nitrogen

I use nitrogen to control my background in openbox. Is there a way to sync this with LightDM login so that I have the same background on the log in screen as on openbox?
1
vote
0answers
17 views

Cannot login after lock

When trying to login again after locking my computer, I sometimes can no longer login using the graphical interface. My username does show up, but I the bar where you'd usually fill in your password ...
1
vote
0answers
48 views

How can I add a custom python indicator to the unity-greeter login screen?

I've installed a custom indicator called PRIME Indicator and it shows up in the top panel (next to date time etc) after I login. I would like to show the indicator before login on the unity-greeter ...
1
vote
0answers
11 views

Boot-repair issue with Ubuntu 14.04

My VPS works absolutely fine but has had a few issues with booting since I upgraded it to Ubuntu 14.04 from 12.04. It will not boot after being switched off. So I Googled the problem and it looked ...
1
vote
0answers
18 views

unsquashing a liveUSB, I found that the filesystem is not identical to the one loaded from liveUSB

so I have ubuntu studio 64 in a live USB and I wanted to change the way it boots. Namely, the liveUSB boots directly to a live user session bypassing lightDM. I want to change that and as I figured ...
1
vote
0answers
170 views

GUI login problems in Ubuntu 14.04LTS

my problem is very similar to that presented here: Ubuntu gets stuck in a Login Loop I am using Ubuntu 14.04 LTS. I can enter my account in GUI just for 1-2 seconds after that I am returned back to ...
1
vote
0answers
33 views

Chrubuntu 12.04 Desktop Won't Load

I'm on a Lenovo X131e Chromebook. Upon start up I am able to move the mouse pointer around a black screen with a blinking text cursor in the top corner. If I switch to a terminal and then try to ...
1
vote
0answers
27 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 ...
1
vote
0answers
285 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] ...
1
vote
0answers
301 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 ...
1
vote
0answers
36 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 ...
1
vote
0answers
85 views

How to assign one X Screen to one LightDM seat?

I'm trying to configure a multiseat setup on a desktop PC with two keyboards two mice two monitors attached to the same graphics card (Nvidia NVS 310) Using these instructions I managed to make ...
1
vote
0answers
97 views

Ubuntu 14.04 - Lightdm and Unity optimal configuration

What I'm using: SonyVaio Vpcef2e1e (with 4GB RAM and Ati mobility radeon™ hd 4250) In the old days I never had issue with the graphics. I had to fight sometimes to add drivers to the graphic ...
1
vote
0answers
93 views

Black screen on bootup

I've had a problem since loading ubuntu alongside my windows install now. I'm running 14.04 and using Gnome 3.12 shell and Lightdm. When booting up the Ubuntu splash screen looks normal and pushes me ...
1
vote
0answers
147 views

How do I use lightdm for login instead of light-locker?

I installed xubuntu on my laptop and recently removed nearly all of the xfce4 packages in favor of a kde desktop. However, light-locker is still used for the login screen. How can i remove it and ...
1
vote
0answers
98 views

Ubuntu 12.04 freezes when switching to lightdm

I was changing the theme in my Ubuntu 12.04 to Mac OS theme, constantly installing, logging in and out, rebooting when trying to fix things along the way. While I was doing a reboot, it froze, for the ...
1
vote
0answers
95 views

How to enable second x session on tty8 in 14.04

how can I enable a second x session on tty8 in ubuntu 14.04? /etc/lightdm/lightdm.conf and [LightDM] seats=Seat:0, Seat:1 ... [Seat:0] user-session=ubuntu autologin-user= [Seat:1] ...
1
vote
0answers
50 views

Where does lightdm change $PATH

I use lightdm on my Ubuntu 12.04 and I have the entry /usr/lib/lightdm/lightdm in my $PATH if I login through lightdm. Now I'm cleaning my $PATH and I simply want to know where this entry gets added. ...
1
vote
0answers
303 views

Upgrade from 12.04lts to 14.04lts login loop

Kinda a newb but I upgraded from 12 to 14 when I did I changed my login password now when I try and login I get into a loop, if I do this I can login in "These suggested instructions apply to my case ...
1
vote
0answers
97 views

Xmonad keyboard not working (Macbook pro)

I've installed Ubuntu 14.04 on my Macbook Pro retina (11,1) and it all worked swimmingly. Then I tried installing Xmonad, selected it once from my lightdm manager and now it loads by default. (The ...