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

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35 views

X does not start on boot

After system upgrade to 13.10 there is no GUI at startup. I can login successfully and startx or start lightdm, but it should be done automatically. I tried following these instructions and did: cat ...
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1answer
350 views

13.10: Can't log in

So I've tried just about every fix I could find out there, but I still can't log in to my account. When I enter the correct password, the screen goes black for about a second, the cursor disappears, ...
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20 views

login screen don't accept my valid password? [duplicate]

After typing in my password, which I am sure is valid and spelled correctly, ubuntu redirects me to the login screen again and again. I don't get the usual 'Incorrect Password' notice or any other ...
0
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0answers
41 views

restarting lightdm in ubuntu 12.04 fails

I am running a laptop with Ubuntu 12.04. At work I have a 1080p monitor I attach via HDMI. I notice that if I am at home just working with the laptop screen and then put the laptop to sleep (just by ...
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0answers
122 views

Lightdm will not install Ubuntu 12.04

Ok, I am new to Ubuntu. Lightdm stopped working, so I pressed Ctrl + Alt + F1 to open up the graphical log in screen and typed in sudo apt-get remove lightdm which worked but when I type sudo ...
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2answers
1k views

How can I change the Kubuntu background from default?

Can SOMEONE please tell me how to change the default background in Kubuntu 12.04? I have managed to select a rather nice wallpaper for my desktop, but I CANNOT change the background for the splash ...
1
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1answer
56 views

Unable to login through LightDM

After executing the following script (I removed all occurrences of tmp, mind you. Or at least I thought I did) and rebooting the system, I'm no longer able to log in through the display manager. ...
0
votes
1answer
98 views

How to Access Ubuntu files, while running from live cd

I write this Code greeter-show-manual-login=true in my Ubuntu etc/lightDM.conf, but when I restart my System ubuntu can't load it! Now I access this file with live cd, but when I open it and delete ...
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0answers
62 views

Monitor stays black after plugging it in

I am running Ubuntu 12.04 on a PC using lightdm. When I have the monitor plugged in from the start the system boots just fine and everything works as expected. When I plug off the monitor, the system ...
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0answers
122 views

Close lightdm and return to prompt (Ubuntu 12.04)

My server is configured with Ubuntu Server 12.04 and Lubuntu Minimal. I have grub set to show only text upon boot. When I must use the VNC I either use my VPS's recovery VNC or I enable the VNC ...
0
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0answers
82 views

Stuck in TTY, lightdm error?

Im running Ubuntu 12.04 on virtualbox. I just updated to the latest version of virtual box, reinstalled any new guest additions, and all hell broke loose. Fist Ubuntu would restart in what I later ...
2
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2answers
167 views

How do I restore Boot GUI and Login of Ubuntu 13.10 to the original?

Okay, so I installed a few extra desktop environments, one of which was the Xubuntu pack, and it replaced my login screen and Boot GUI as mentioned. I made the mistake of trying to purge Lightdm and ...
0
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2answers
153 views

Log Out problem after upgrading from 13.04 to 13.10

After I've upgraded from Ubuntu 13.04 to 13.10, I can no longer use the Session Indicator "Log Out..." menu. As soon as I click on it, the screen goes blank with no mouse or keyboard input, so I ...
2
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0answers
99 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 ...
1
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0answers
38 views

How to make lightdm use tty6 instead of tty1?

I am using Ubuntu Desktop 13.10 amd64 for iMac. When the system boots up, lightdm loads gnome and hence occupies the first virtual terminal (tty1). This is the default behavior after installation. ...
2
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2answers
7k views

mei_me unexpected reset

Yesterday I experienced some troubles with my ubuntu installation. After reset, my system didn't start lightDM, all I saw was a black screen. I then logged in via ctrl + alt + F1 to terminal and saw ...
0
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1answer
137 views

Login screen not appearing after removing KDE [duplicate]

I've been using Ubuntu 13.10 for about a month now. I decided to give KDE a test run. Unfortunately, it installed the KDE login screen with it. I couldn't stand it, so I spent about half an hour ...
2
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0answers
179 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 ...
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0answers
63 views

KDE Display Manager

I have install kde plasma desktop then the kde display manager (kdm) appeared? I want to restore LightDM I have tried sudo dpkg-reconfigure kdm but without any benefit. Thanks
2
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0answers
66 views

Login fails although the password is correct [duplicate]

I am using Ubuntu 12.04 32-bit. I enter my password at the default login screen and it seems to do something, but then it returns back to the same login screen and asks for the password again. Not ...
0
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0answers
392 views

Change XRDP Default Desktop to Lightdm

I read this post about changing xrdp defaults environment but how can I get lightdm to be default xrdp shell? I got that shell as default when I log in locally but when I log in using xrdp it log to ...
1
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1answer
638 views

How to add a session type button to lightdm-webkit-greeter theme?

I'm experimenting with the webkit greeter for lightdm. Ubuntu 13.10 64 bits. I want to learn to create my own themes. I noticed that the default theme does not show a language select button or a ...
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0answers
570 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 ...
0
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1answer
187 views

Add existing user to Unity

Short story How can set Unity as desktop environment for an user created with Shell? Long story On a VM running Ubuntu 12.04 configured as LAMP, I need to use the desktop environment Unity for the ...
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0answers
33 views

Does “Switch Account” in Ubuntu 13.04 logs out the first account upon switching?

I have 2 accounts set up on my laptop running 13.04. When I click the gear icon and select lock/switch account and log into the second account, upon returning the the first account I noticed that I ...
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3answers
2k views

Can't login in from LightDM

But just LightDM. It worked this morning, just does not seem to be working this evening. This seems to occurred after a shutdown after a wakeup from hibernation. I always get a password denied sort of ...
22
votes
1answer
2k views

What is the relationship between Unity, Gnome, Gnome 3, Compiz, Metacity, and LightDM?

I am learning about Graphical User Interfaces in Ubuntu and constantly come across different terms, which cause a lot of confusion for me. I have tried reading easy-to-understand tutorials about the ...
0
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1answer
2k views

Stuck at boot screen 12.04

I tried to install a lightdm greeter theme but after dissapointing results I chose to try gdm instead, which prety much reconfigured my desktop theme, so I chose to remove them both. Since the last ...
4
votes
1answer
3k views

How do I install fglrx on an AMD Kaveri machine?

I have recently built a Kaveri machine, but I'm having trouble getting the fglrx drivers up and running. I can install them, but the LightDM screen will simply be black. The machine has an AMD ...
1
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1answer
300 views

My Account not visible in User Accounts

I am currently set to automatically log into this machine and I would like to change that. However, when I go to User Accounts, I am no longer listed. lightdm/users.conf file is as such: ...
6
votes
5answers
2k views

rotated monitor. login screen needs rotation

I rotated my screen, an once I login, it works fine. but, the greeter (login) screen hasn't got the message that things are rotated 90 degrees. How can i change the rotation of the login screen? ...
1
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2answers
2k views

Which command locks screen with lightDM?

I used to lock screen with this command, but it stopped working recently, probably after update. I'm running VERSION="13.10, Saucy Salamander". How can I restore this function? $ gdmflexiserver ...
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2answers
91 views

unable to manual login after upgrading Ubuntu

I have upgraded my Ubuntu from 13.04 to 13.10. And now after the system restart; there are only two options appears on screen as guest session and remote login. How can I get back the manual login ...
0
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1answer
632 views

ubuntu 12.04 graphic error on boot after update from 10.04

After an update to ubuntu 12.04 from 10.04, I have a strange problem: in grub menu if I select ubuntu kernel 3.2.0-58-generic the graphical interface just hangs there, I get this black screen with a ...
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0answers
98 views

How to enable system-ready drum sound back in Ubuntu Precise?

In somehow my system ready drum sound disabled. Unlike everyone, I like it and I want it back in my Ubuntu 12.04? How can I get it back? P.S. Below topics did not helped me: How can I enable the ...
0
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0answers
271 views

Logging out from Ubuntu takes too long

When I first had only Unity as a desktop manager, I didn't need to log out so I'm not sure if this issue has been around before. I'm say so because It's important to know that I currently have Xfce ...
1
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1answer
322 views

Can not login to Ubuntu 13.10 after reboot

For some reason on my System76 Bonobo, after a reboot, i try to login and I get a blinking cursor in the top left for a few seconds, than right back to the login screen. It SEEMS like lightdm crashes. ...
0
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1answer
78 views

How to start X without logging in console?

My filesystem is based on Ubuntu server and I installed xorg and openbox on it. I've made it auto-login and auto startx, but when boot and shutdown, I can always see the root@arm:# or something ...
0
votes
2answers
101 views

No unity after login to main user account [duplicate]

Yesterday my computer stayed open all night and then when battery was empty it turned off. Its normal for my computer. But when at morning I turned it on, there wasn't login screen. It crashed ...
0
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1answer
92 views

Login to command line [duplicate]

It's possible to perform a login ( with lightdm or anything else ) and enter directly in command line mode without enabling any GUI for the user ?
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1answer
3k views

lightdm is not starting

I get a blank screen on boot :( $ sudo tail /var/log/lightdm/lightdm.log [+0.02s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager [+0.02s] DEBUG: Registered seat module xlocal [+0.02s] DEBUG: ...
0
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0answers
20 views

How to fix “The system is running in low-graphics mode” error Ubuntu 13.10? [duplicate]

I started getting this message suddenly then I re-installed the nvidia drivers and still I am getting the same error. Right now I have installed Nvidia 304 driver and my card is GT 520M. (Gateway ...
1
vote
1answer
88 views

All display managers boot into Gnome Classic (No effects)

I've tried both gdm and lightgdm but no matter what I do, I get logged in to Gnome Classic (No Effects). The terminal's transparency is a nuisance here and I completely do not want to work on anything ...
9
votes
1answer
893 views

How to control LightDM power saving preferences?

I want lightdm to enter power save after a specific period of time. If I'm logged in then my screen will time out as per the user settings, however when no one is logged in the screen will stay on ...
1
vote
0answers
105 views

Service account shows up on login screen

I've manually created a service user account on my machine, and I'm surprised to see it on the Unity login screen. I searched this site and I've seen people had problems with this, but in those cases, ...
1
vote
1answer
259 views

How do I fix Unity from freezing and artifacts on my screen when I'm charging my laptop?

I woke up this morning to find my computer frozen and my graphics were not rendering correctly either. I had to press Ctrl + Alt + F1 to regain control of the system. At first I thought it was my ...
1
vote
2answers
210 views

Forgot to install login screen after removing unity and installing kubuntu-desktop

First I must admit that I did something really stupid. I de-installed unity from my ubuntu 12.04 LTS to install kubuntu-desktop as I wanted to try out a different desktop environment. The problem is ...
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0answers
60 views

graphical user interface seems to terminate on relogon

On Ubuntu 12.04 the graphical user interface crahes somehow, when I want to re-login after the screen is logged due to a time out. When I want to enter the password the screen goes black with a ...
1
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1answer
64 views

Problem with starting GUI mode in Ubuntu Server

Well I have installed the Server version of Ubuntu 12.04. Since I was only getting terminal, I installed the desktop package and executed these commands in the following order: sudo apt-get install ...
0
votes
1answer
203 views

Xubuntu crashes before login screen

Xubuntu 13.10 Booted up this morning and Xubuntu does not get to the login screen. I am seeing the white half circle spinning and then it drops to a black screen. I can however start tty1-6 but ...