GNOME Display Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM. You may still install it manually if you prefer, however.

learn more… | top users | synonyms

0
votes
0answers
22 views

why is gdm not starting automatically?

I am running Ubuntu 12.04 LTS with all updates. At some point I experienced some trouble with LightDm, so after reading up on AskUbuntu I switched to GDM. No problems, except that I cannot get GDM to ...
0
votes
1answer
25 views

Only visible spaces seen?

I recently converted Ubuntu to Ubuntu GNOME by removing Unity and installing GNOME from the repositories and removed LightDM too. My account was working, but the rest of the family user accounts are ...
0
votes
1answer
5k views

GNOME/GDM not starting

NOTE: While working through my issue and documenting it I discovered the solution, but have decided to post this in case another person has the same/similar issue (see bottom)... After uninstalling ...
1
vote
1answer
92 views

X keeps restarting without getting to login screen

I am running Ubuntu 13.10 in my PC. Two days ago, oneconf crashed while I was working and I had to restart the computer. Since then, I haven't been able to go past the black screen to the login ...
0
votes
1answer
45 views

How to autostart synergy on ubunutu 14.04?

I am using synergy to share mouse and keyboard. I would like it to start automatically and have used the tutorial for this here. I am new to ubuntu and cannot find this menu: System Menu > ...
3
votes
1answer
7k views

Setting up the GDM Theme

I'm using Ubuntu 12.04 with Gnome Classic (no effects) and because of the fact that some system options have disappeared with the new system release I've been struggling with this for a while and ...
-1
votes
1answer
66 views

Installing Gnome 3, should I use gdm or lightdm?

I'm currently using Xubuntu 14.04 and I wanted to try out Gnome 3, so i started installing it, and during the installation it is asking me what display manager should I use by default: gdm or lightdm. ...
-1
votes
0answers
23 views

After installating GDM Ubuntu 12.04 hangs while booting

I have installed Ubuntu 12.04.1 64bit Desktop on my system. After fresh OS install, i first installed gdm, (Gnome Desktop Manager). I selected GDM in reconfigure window and restarted the desktop. ...
8
votes
4answers
22k views

How to install the full GNOME desktop as close to upstream as possible?

Just like the title says. I don't want just Gnome Shell I want to know how to install the whole entire desktop, with the latest GDM(not the 3.0.4 currently in the repos), all the default apps, all of ...
0
votes
1answer
32 views

How to chabge GDM Login theme in ubuntu 12.04 lts

I have ubuntu 12.04 lts and I changed my login screen to GDM by typing sudo apt-get install gdm how do I change the theme in ubuntu 12.04? I downloaded a theme using gnome-look.org. Where do I ...
0
votes
1answer
75 views

upgrade to 14.04 added lightdm to server edition

The update from 13.10 to 14.04 using do-release-upgrade seems to have added lightdm to my computer. On top of that, lightdm wasn’t even set up properly, nor do I want it set up. I prefer not to use ...
0
votes
0answers
146 views

Ubuntu Gnome 14.04, change resolution on GDM login screen/system wide?

Under Ubuntu Gnome 14.04, Gnome 3.12, I'm running with a different from my maximum resolution. After login, the resolution is set fine, and when I log in after locking the machine, the resolution is ...
0
votes
1answer
23 views

default-display-manager error

I was using gnome desktop manager, then I changed the file ./etc/X11/default-display-manager to nothing, so the login would be made via command line. The problem is that there's a file created in ...
0
votes
0answers
94 views

Ubuntu 14.04 start too slow but shutdown too fast

How do I do speed up Ubuntu like in this link - Disable service: http://ubuntuforums.org/showthread.php?t=89491 Bootchart
2
votes
2answers
354 views

GDM and Lightdm don't work after update; KDM is ok

After updating Ubuntu (apt-get update, apt-get upgrade and apt-get dist-upgrade) last Tuesday, GDM stopped working, and the startup hangs on the Ubuntu logo. Lightdm also don't work (same happens). If ...
0
votes
1answer
70 views

How to get Gnome Shell to remember my display preferences?

I have a laptop. When I'm using just the laptop, I want to use the display (well, yeah, obviously) but when I plug in my monitor, I want to just use that monitor, not both screens. Every time I boot ...
2
votes
4answers
5k views

Ubuntu 13.04 - can't login to Unity, keep going back to login screen with all users

today I've updated openssl and libssl (automatic update). After reboot I can't login with any user (even with Guest or new one) into X. I've tried with installing gdm, gnome-session-fallback - no ...
1
vote
1answer
148 views

Why gnome desktop won't start after I log in? After installing Variety.

I'm using gnome 3.10 on ubuntu 14.04, with gdm as my default login manager. Also, numix-gtk-theme and numix circle icon pack. For whatever reason, sometimes my system stops detecting wifi (even if ...
0
votes
0answers
32 views

What does “unknown code ovk 48” mean?

When I log in after update from 13.10 to 14.04, lightdm and gdm display unknown code ovk 48, I can log in without problems (lightdm requires that I press return after the message is displayed). ...
28
votes
5answers
1k views

How can I change the order of the users in the login screen?

I have several user accounts on a machine my mother uses most of the time. How can I sort the users so that her account shows up first in the list?
0
votes
1answer
29 views

MDM is Not Saving Session Data .dmrc file

Am trying to replace LightDM with MDM in 13.10. Am able to install and configure MDM, but when I go to login the system tells me that the .dmrc file is being ignored. Initially there was no .dmrc ...
1
vote
0answers
327 views

14.04 Trusty Tahr LIghtDM No way to switch session

I installed Trusty on my laptop. I like Gnome Shell more than Unity. So I installed Gnome Shell via Software Centre. I have LightDM 1.10.0 installed on my system. Unlike the previous version it ...
0
votes
2answers
59 views

There is no /etc/gdm directory?

I'm using ubuntu 13.10 and trying to add some startup scripts to gdm login screen. I found 4 places in documentation of gdm to do so: /etc/gdm/Init /etc/gdm/PostLogin /etc/gdm/PreSession ...
3
votes
4answers
32k views

How do I kill the x-server?

Every time I try to kill the x-server, sudo service lightdm stop so that I can install the latest Nvidia drivers, I get an error message. stop: Unknown instance: What am I doing wrong?
1
vote
1answer
164 views

lightdm doesn't start

Today when I started Ubuntu, it didn't start lightdm, showing a black screen. I changed to console Ctrl-Alt-F1 and tried to start lightdm manually sudo start lightdm It threw me to the graphic ...
15
votes
3answers
6k views

Multi display issue with Ubuntu GNOME 14.04 [closed]

Fresh install of Ubuntu GNOME 14.04 with 3 displays (fglrx driver). I can correct the screens order in System Settings / Display but it is not saved when I close the session and reopen it. Screens ...
0
votes
0answers
87 views

GDM is not showing all my available shells after upgrade to 14.04

I upgraded Ubuntu to 14.04. I have around 15 or so shells installed (unity, gnome, mate, lubuntu, cinnamon, chromium os, and a bunch of other random ones) On 13.10, I could see all of them with a ...
0
votes
1answer
104 views

Can't switch between lightdm and gdm

I installed Ubuntu Studio 13.10 from a minimal CD, and then upgraded to 14.04. But since the cd install, I have been trying to change from gdm to lightdm. I have tried sudo dpkg-reconfigure gdm, sudo ...
2
votes
0answers
65 views

Display issue on remote machine using GDM X11

I am remotely logging into an Ubuntu machine through SSH(MobaXterm) using Gnome desktop remote environment from my Windows PC. I am having trouble with one of our video applications in displaying ...
1
vote
8answers
2k views

Keyboard layout reverts at every boot

I am using 12.10 with Gnome 3. I changed LightDM to GDM. When I boot up keyboard layout changes to default US layout. When I add another layout to end of list at Region settings my selected layout ...
0
votes
0answers
66 views

GDM & Lightdm Not Working After xorg configured

I have an R9 280X set up & it was previously running successfully. Recently I installed latest drivers (both the beta & stable - not at same time) and ran the command. sudo amdconfig ...
2
votes
1answer
168 views

How can I enable screenlock without turning off the monitor? (Ubuntu Gnome 14.04)

Ubuntu Gnome 14.04 When locking the screen, my monitor/screen turns off immediately. I don't want that to happen immediately, more like after 30 minutes or so. Is that possible?
0
votes
0answers
133 views

How do I get lightdm to log me in when it freezes on Ubuntu 14.04?

I'm on Ubuntu 14.04 (somehow) and lightdm doesn't let me log in after I enter my password so I'm using gdm. gdm works fine. What happens is the password field disappears and I can't click on guest ...
0
votes
3answers
820 views

Why does Openbox on Gnome give me an empty desktop?

I installed new 12.04 and Openbox. I logged in with GNOME/Openbox and now after system starts I see only Desktop background image and nothing more. When I right click I can do normal GNOME actions ...
0
votes
0answers
29 views

how to boot system normally [duplicate]

I have serious problem with my ubuntu system. Yesterday, I installed gdm and set it default display manager, when I rebooted grub menu display I boot to normal boot but only black screen show.Please ...
-1
votes
1answer
138 views

Black Screen appear after set default display manager gdm [duplicate]

Yesterday i install gdm and set it default display manager then l notice ubuntu is running but there is several lines appear on desktop when i want to shutdown system after i powered off system and ...
0
votes
0answers
308 views

Can't login to Ubuntu Gnome 13.10. Login screen doesn't appear

I had been using Ubuntu Gnome for over 3 months now, without any issues. Today, when I tried to boot the os, I couldn't see the login screen. Instead, it shows the Screen with Gnome logo and it isn't ...
4
votes
1answer
15k views

How to change from GDM to LightDM?

I've upgraded to 12.04. My upgrade didn't go as expected; X crashed at the middle of the upgrade. I had to install many packages manually. This left me with a GDM login screen. How do I change from ...
3
votes
3answers
22k views

How to restart only missing/invisible mouse pointer/cursor?

For some reason, the mouse pointer on my Ubuntu 10.04 PC disappears after the computer is woken up from suspend. That PC is missing a keyboard, so I can fix this by logging via ssh, and issuing: ...
0
votes
0answers
70 views

GDM resolution changed when screen lock

I am using Ubuntu 12.04 and GDM. However, when the system is idled for a while, it eventually ends up to lock screen. And the resolution is changed to lower resolution when I login again. I need ...
1
vote
0answers
637 views

Blank screen when trying to connect to VNC

I've installed on my VPS machine VNC-GNOME to remote access the graphical system so I've my Ubuntu (V 13.10) and I did this steps but I'm getting blank screen every time I'm trying to login This is ...
0
votes
0answers
88 views

Ubuntu GNOME 13.10 Unresponsive Login Screen/GDM

I am currently using Ubuntu GNOME 13.10, and I have hardly used it yet. I have installed a couple basic programs off of the Software Center, but nothing much. However, now, whenever my computer boots ...
1
vote
0answers
18 views

New windows open below visible one

Every time a new window is opened, gnome likes to force it below the current one so I have to go to the taskbar and restore it. I can tolerate a lot of stuff but I open new windows way too often ...
0
votes
1answer
2k views

Gnome 3.8 / gdm / Failed to load session “gnome-classic”

Installed gnome 3.8 from its official ppa. Installed gnome-shell gnome-shell-extensions and ubuntu-gnome-desktop. Installation went smooth. Also selected gdm as the login manager. THe only thing that ...
1
vote
1answer
3k views

Autologin not working on GDM with Ubuntu 11.10 and 12.04

I would like to know how to make GDM to autologin with the default (and only) account. I use it with Gnome3 on my 2 machines (one with 12.04 and the other with 11.10). I have selected to auto-login ...
0
votes
1answer
235 views

login screen not displayed after logout

I'm running Ubuntu Gnome 13.10 and I'm having the following problem. After booting my computer, gdm displays as expected and I can choose which account to log in to. However, if I then log out, I do ...
5
votes
8answers
20k views

12.04 hangs at “checking battery state”

My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: Ctrl+Alt+f1, or Alt+f5. I ran recovery mode, and ran the following commands: sudo mount -o remount, rw / sudo ...
3
votes
0answers
5k views

How do I directly boot to a terminal, bypassing X11? [duplicate]

I am seeking a help regarding the following issues: How to turn off the X server when I have already logged into Ubuntu (I know about startx to start the X server but don't know how to shut it ...
0
votes
1answer
1k 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
3answers
10k views

How I can change the GDM login screen wallpaper?

How I can change the GDM 3.6 Wallpaper? I dont mean the desktop background, but the Wallpaper at the login (GDM 3.6). Thanks Thank you for your answer, I know exactly what you mean. Recently I ...