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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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.

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8answers
1k 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
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1answer
6 views

MDM is Not Saving Session Data .dmrc file in 13.10

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 ...
0
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0answers
21 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 ...
0
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1answer
3k 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 ...
3
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1answer
167 views

Multi display issue with Ubuntu GNOME 14.04

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
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1answer
28 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?
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4answers
22k 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?
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0answers
79 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 ...
1
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0answers
29 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 ...
3
votes
1answer
6k 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 ...
0
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3answers
740 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 ...
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0answers
27 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 ...
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1answer
64 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
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0answers
142 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 ...
8
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4answers
21k 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 ...
4
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1answer
13k 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
19k 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
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0answers
46 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
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0answers
220 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
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0answers
70 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
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0answers
16 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
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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
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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
149 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
17k 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 ...
1
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0answers
49 views

Display issue on remote machine using GDM X11

I am remotely logging into a ubuntu machine thorugh SSH(MobaXterm) using Gnome desktop remote environment from my windows PC. I am having trouble with one of our video application in displaying video. ...
3
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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
463 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
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3answers
9k 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 ...
20
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8answers
8k views

How can I change the login screen theme in GDM?

How can I change the Login screen theme? Is there a graphical way or no?
1
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1answer
72 views

Awesome does not create listing in gdm

I have installed awesome desktop from the terminal using apt-get. But it does not create a listing in the gdm during login. Is there any way to create a listing in gdm? Also I am not able to edit ...
8
votes
2answers
11k views

How can I replace LightDM with MDM?

Linux Mint Cinnamon 1.4 released with "MDM display manager". It is based on the code of GDM2.20. It provides: Graphical configuration tools Themeability Remote, automatic and timed login Event ...
1
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7answers
5k views

Resolution issue causing login screen loop

My ubuntu (version 10.10 I think) is stuck in loop at the login screen. Looks like it could be a resolution issue. - I have an nvidia graphics card (gs 8400). I previously had it connected to a 19" ...
1
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1answer
63 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 ...
1
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2answers
130 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 ...
0
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0answers
40 views

Stuck at login screen, help

i've ubuntu 13.10 , when i write my password , ubuntu wait for 3-4 seconds and then show the login page again this error didn't happen after updates, i'm still working to find many solutions but they ...
0
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0answers
74 views

GDM Autologin not working..

I removed lightdm since I was not able to login as it was booting to a blank screen. Hence I installed GDM and everything was fine. Now when I try to use the Autologin option through GUI interface and ...
7
votes
4answers
15k views

How to disable GDM from being automatically started?

After Ubuntu Server 12.04 installation, I installed Xubuntu just to have a minimal GUI: sudo apt-get install x-window-system-core sudo apt-get install --no-install-recommends xubuntu-desktop gparted ...
3
votes
3answers
3k views

Enable/Disable Passwordless Login/Autologin Via GUI/Command Line

Before I ask the question, would someone please help stipulate the Ubuntu definition for these two seemingly identical but different terms (I've given drafts.): Autologin - When you power up the ...
13
votes
5answers
168k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...
41
votes
2answers
48k views

What's the difference between GDM and LightDM?

What is the difference between GDM and LightDM? How can one switch between them. I mean if I have selected LightDM during installation process, will I be able switch to GDM?
3
votes
4answers
11k views

Ubuntu 13.10, nVidia Optimus graphics card appears as a secondary display

There are many problems with Optimus, but currently two main problems prevent me from logging in. First; installing nvidia drivers via official repositories results in a blank screen during login. ...
3
votes
6answers
671 views

Running a webbrowser on the screen saver or login screen?

I would really like people to be able to use my locked computer to surf, so I would like some way to run a browser on login screen. So can I make GDM run Firefox in some way? It would be cooler if I ...
0
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0answers
171 views

Ubuntu 12.04 hangs at login after user password has been changed in recovery mode

I already posted this, but I found out a few new things, so I hope it is ok if I just edit my old post. I am aware that this problem has been discussed several times. However, all the fixes I could ...
1
vote
0answers
103 views

Can't load GDM or Gnome

I've been using Ubuntu Gnome 13.10 for about 2 weeks without issue, but today, after restarting my PC, it got stuck on the Gnome splash screen. I managed to load my login screen by switching to ...
0
votes
1answer
124 views

black screen on booting

I've been working with Ubuntu on my lenovo for awhile. after heavy using I started to face the black screen when I reboot. Cursor at the top left blinking with the sound of rebooting. I still see the ...
0
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0answers
33 views

Ubuntu Precise — suspend wedges GDM — help!

I've been a very happy Ubuntu user for many years, and worked my way past any number of problems, but I've never seen anything like this. Recently I got a new machine and installed 12.04 Precise on ...
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0answers
69 views

How to end X session?

Is there a generic way to orderly end X session regardless of display mangager or window manager? More specifically, I use different windows managers for different users, and after reboot one user ...
0
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0answers
16 views

How to migrate gdm font setup?

I have purged gdm and switched to lightdm. This changed how my fonts look in X applications. Unfortunately, they did not get prettier. How can I have the same fonts in both or migrate settings from ...
0
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0answers
17 views

Starting gdm without nolisten TCP option

Can I start Ubuntu 13.04 gdm without -nolisten TCP option?