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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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

I have configured my splash screen for plymouth - and it works perfectly. I've also configured the display manager (I'm using gdm). In between these two I get a very brief splash screen - a kind of ...
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1answer
531 views

How to make gnome-shell the default GUI in ubuntu-builder?

I'm making my own distro with Ubuntu builder and I want to make Gnome-shell the main GUI. I tried many things like removing Unity and using GDM and a whole bunch of other things but I keep getting a ...
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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 ...
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1answer
884 views

13.04; frequent freezes under gnome-shell, gnome, unity

I just upgraded 12.10-->13.04 on my Dell Precision: Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz NVIDIA Corporation GT218 [NVS 300] (rev a2) (prog-if 00 [VGA controller]) I can login via gdm -- by ...
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1answer
568 views

Make GDM3 in Ubuntu 12.10 show a list of available languages

The local computer pool is used by a large number of students that prefer to choose the language of the Ubuntu desktop. Not all want English. Unfortunately, the GDM login manager does not present a ...
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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 ...
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1answer
79 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 ...
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1answer
477 views

Wrong resolution for Lightdm/GDM on Ubuntu 13.04 using HDMI

I've tried all the solution I could find on the matter so far, but the error persists. My problem is that the login screen (both under gdm and lightdm) runs with the wrong resolution, even though all ...
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64 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 ...
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822 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 ...
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0answers
149 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: ...
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945 views

GNOME Display Manager fails to load on startup

I have installed gnome on my ubuntu 12.10. When i installed it, it initially worked fine for first two times but after that whenever i boot, it fails to start the display manager. The screen turns ...
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557 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 ...
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500 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 ...
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322 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 ...
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632 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 ...
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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 ...
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111 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 ...
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103 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 ...
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548 views

Ubuntu Opens in Black Screen Using Lightdm But Working When Using GDM

Last time I installed lm-sensor (a package to know CPU Temperature) and restarted my system. $ sudo apt-get install lm-sensors $ sudo sensors-detect $ sudo service module-init-tools ...
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454 views

Cannot boot normally, without restarting lightdm (or gdm)

I had a problem precisely described here: http://www.webupd8.org/2013/01/ubuntu-lightdm-black-screen-when-using.html, black screen with blinking cursor instead of login screen. I've switched to gdm ...
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651 views

Black screen after Ubuntu loads (LightDM)

So, I have this problem, LightDM doesn't appear, after Ubuntu 12.04 loads, it shows a black screen with a white bar on the command line. I know the problem is LightDM, because last time I used Ubuntu ...
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776 views

/etc/init.d/gdm command not found

am trying to install the Nvidia Driver but it keeps givin me close the X server.. I tried the usual way.. to kill the gnome manager.. didn't work because of an error :s sudo /etc/init.d/gdm stop // ...
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117 views

Cannot Login to My Machine Using the *Right* Password

Here are the facts: I ran some stress-tests last night. I forgot to reset the logs to minimal. When I got this morning, I saw that hard drive is full /dev/sda1. Cleaned up the large file (350GB). ...
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328 views

How do I connect to a root VNC session?

I installed the Unity desktop and TightVNC using these directions. The window comes up in VNC, although because I'd started the VNC Server as root, I seem to be logged in as 'guest'. Please note that ...
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218 views

quantal- GDM not working

I installed ubuntu on 11.10 and the first thing I did was install gdm. It survived the upgrade to precise but on the upgrade to quantal, it just shows the background and the mouse, then it sticks ...
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19 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 ...
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141 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 ...
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93 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
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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). ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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85 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 ...
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117 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 ...
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35 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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18 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 ...
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0answers
20 views

Starting gdm without nolisten TCP option

Can I start Ubuntu 13.04 gdm without -nolisten TCP option?
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0answers
82 views

Problems with gdm, sometimes not loading GNOME Shell

My current problem is quite hard to investigate, at least for me. Thing is that when I start my HP G72 notebook it boots ok, HP logo appears and dissapears and then, it depends, sometimes it shows ...
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28 views

restarting gdm makes screen glitchy and annoying wifi issue

First issue is when I type "sudo service gdm restart" I get a weird glitchy screen, I can see the mouse cursor and the desktop is responsive, but nothing is readable and I can't tell where anything ...
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97 views

where is recent user list in gdm3 stored? I want to clear the list

I tried removing: /var/log/wtmp /var/log/ConsoleKit/history the completet gnome tree in /var/lib and accountservices nothing helped. The user list ist still there. We want to have a fresh box ...
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0answers
86 views

Gnome 3.8 Update Issues

I installed Gnome 3.8 about 3 weeks ago and it worked great! Just recently I updated and everything about the boot-up has been a little odd. Firstly, the boot screen wasn't the purple and orange ...
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462 views

Ubuntu 13.04 boots into terminal login instead of desktop

I just installed 13.04 on my desktop yesterday. After updating all the drivers all that was left was my printer driver. Ubuntu told me I needed to get the driver off the website so I did that. I ...
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215 views

Unity Fails to Load

I recently installed Gnome 3.8 to play around with it. I thought it would only add it to my session manager, but it also made it default and began using the GDM instead of LightDM. Then, things got ...
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0answers
205 views

Stuck at login screen gdm

I using Ubuntu 13.04 with gdm and xfce4. If i try to login after sleep or enter bad password then enter correct , it says "Currently logged in" but won't continue from there. P.S. Sorry for my bad ...
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220 views

OAFIID:GNOME_FastUserSwitchApplet Error

I recently lost my GNOME desktop manager after uninstalling PulseAudio (see: GNOME/GDM not starting). After getting the desktop environment back up, I was presented with the following Error Message: ...
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22 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. ...