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Manager (GDM) is a program which used to provide Ubuntu's graphical login screen until Ubuntu 11.10; since then it has been replaced by LightDM.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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Black screen/Distorted image on screen when laptop lid open Ubuntu 15.04 GDM (No any previous answer helped me)

I get black screen or distorted image when i reopen my laptop lid. I am using Ubuntu 15.04 Gnome version official download. My laptop Lenovo Z-5070 & also i get nothing when i pressed CTRL + ALT ...
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9 views

User switching broken in 14.04

I just upgraded to 14.04. I have an nVidia graphics card and am using the nVidia driver (proprietary, tested). I am using gdm as I don't light the look of lightdm (also, I have two monitors and it ...
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10 views

Gnome GDM with nvidia driver + intel graphic problem

I have a problem with GDM (in lightdm i dont have this problem), when i install the nvidia drivers, if im in lightdm display manager i can search in hardware details my graphic card, but when i change ...
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14 views

Gray background at login

The background of my login screen is always gray. I installed gdm as my login manager after seeing my wife's login screen. The gdm login screen is cool-looking IMHO so I asked ASKUBUNTU how to get ...
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24 views

How to get XScreenSaver to lock screen on wakeup on GNOME?

I am wanting the same thing as I did here XScreenSaver Lock Screen, except for now that I am running Ubuntu GNOME 15.04, with GNOME Shell, and GNOME 3.16, things are slightly different, as the answer ...
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20 views

Get nvidia driver to work in gdm OR fix workspaces in lightdm

I have a lenovo with two GPUs, intel and nvidia. The problem is that if I set gdm, the driver doesn't work, and I can't switch to high performance mode. If I change gdm and select lightdm, that ...
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26 views

Ubuntu 15.04 Upgrade / LDM Issue / 219 / Black Screen

I am kinda a new in Linux/Ubuntu and the problem which I am facing now is way above my skill/knowledge: After upgrading Ubuntu from version 14 to 15 I cannot run my OS. It seems that the issue is ...
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48 views

Blank screen & Unable to use tty1

I have this strange problem on and off; I have experienced it 3 times in the past 4 months. I have Ubuntu 14.04 on a SSD external drive which I always carry it with me to use my system in any of my ...
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14 views

Smart lock like on Android?

Is it possible to configure either LightDM or GDM to automatically log in when my laptop is connected to a certain WiFi? Or even better, to check my location regardless of what WiFi I use?
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50 views

Gnome 14.04 NVIDIA Driver issue

I was using Ubuntu with Unity and lightdm, where the NVIDIA driver did work, before I switched to the Gnome flavour. Now the issue I'm facing is that I can no longer use any NVIDIA driver with my ...
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15 views

Can't log in to Gnome after disk clone

I recently cloned my hardisk containing my /home partition and have now started booting via the clone. Unfortunately when I log into Gnome I am booted back to the login screen after about 10 seconds. ...
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50 views

Ubuntu 12.04 suddenly only boots into tty1

I've read through about 20+ threads where others had the same thing happen, however NONE of the solutions I found worked for me. Some were not even possible to try or didn't apply. I'm really stuck ...
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55 views

Ubuntu 15.04 - Buggy gdm? Cannot type passphrase, input devices aren't detected

Before going, I updated my Ubuntu 15.04 (with Gnome shell, if that matters) laptop and it said some problems were encountered. In the past, I simply ignored it and went back to work, as I did last ...
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2answers
40 views

Can you have a desktop environment without a display manager?

The following article nicely explains the differences between a display manager, a window manager, and a desktop environment: What is the relationship between Unity, Gnome, Gnome 3, Compiz, Metacity, ...
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1answer
90 views

Gdm with nvidia-331 and nvidia-prime causes a black screen at boot

I'm on an Asus UX51vz laptop, which has RAID0 SSD's and an nvidia 650M graphics card. I installed lubuntu instead of ubuntu-gnome because lubuntu still has a RAID0 compatible alternate install ISO. ...
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303 views

Stuck at “starting version 219” on Ubuntu Gnome 15.04

I know this question has been asked before, but I have tried the solutions, and they have not worked. First, I found this website about it. I tried the solution it gave: sudo systemctl enable ...
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51 views

Ubuntu 14.04 GDM Login Banner, with User List Disabled

I've seen several posts and absolutely no replies (or rather few helpful ones -- even seen a few stating to "use LightDM") on this issue. We use GDM instead of LightDM due to a bug/feature in LightDM ...
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1answer
73 views

Stuck on splash screen, does not progress to login manager

My login manager stopped loading, for no apparent reason, instead tty7 was a black screen I could type into but with no effect. I tried several variations of service lightdm restart service sddm ...
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1answer
42 views

GDM does not display session, or top row icons

I switched recently to the Gnome desktop environment. I was running Xubuntu, but got fed up with the bugs so decided to install Gnome-Shell. All was fine until I removed Xubunt and Xfce in an attempt ...
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2answers
31 views

There isn't /etc/gdm/gdm.schema

I read some guides on GDM (I want to create an invisible user in GDM login screen) but they refers to a file called /etc/gdm/gdm.schema that there isn't on my computer. This is the content of my ...
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1answer
23 views

gdm subprocess paste was killed by signal (Broken pipe)

root@saimon-System-Product-Name:~# dpkg --install /home/saimon/Downloads/gdm-2.20_2.20.10-0ubuntu3_i386.deb (Reading database ... 165751 files and directories currently installed.) Preparing to ...
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0answers
18 views

My sudoer can not login using GUI

I only have one sudoer and it can login into the terminal or through GUI terminal. But I can not use it to log into the GDM login screen. Any possible causes?
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1answer
144 views

Set resolution for GDM on 15.04

All the current guides on setting the resolution at login are outdated. Most of them suggest using an xrandr command in /etc/gdm/init/default. Problem is, it doesn't seem to work in 15.04 because ...
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3answers
850 views

Cannot Log In to Gnome 3.16 Dekstop

I have installed Gnome 3.16 on my Ubuntu 15.04 (previously updated from 14.04) via: sudo add-apt-repository ppa:gnome3-team/gnome3 sudo add-apt-repository ppa:gnome3-team/gnome3-staging sudo apt-get ...
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84 views

Login Loop on lightdm but not gdm

One of my user accounts is getting a login loop on lightdm but not on gdm. Does anyone know why this might happen and what I may be able to do to log on to the account using the lightdm display ...
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33 views

Black Screen after login

Hello guys i just installed ubuntu 14.04 and i had a hard time full of problems anyways as i thought problems had finished i restarted after update of software and tried to login but i had a black ...
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0answers
118 views

gdm login screen orientation Ubuntu GNOME

I use Ubuntu GNOME 15.04, and probably this issue can be applied to 14.04 and 14.10, too. I use Ubuntu Gnome with vertical orientation for the screen since my device is often used for tablet (Surface ...
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1answer
545 views

LightDM and GDM login loop. Ubuntu 15.04 Gnome 3

At first the GDM worked just fine but all of a sudden I lost the ability to login. I can still get to my desktop using startx (sound doesn't seem to work when I do that but it might be a by-product of ...
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0answers
51 views

Problem with running full screen apps in gnome shell with wine

I've an ubuntu 14.04 with gnome shell, gdm, wine1.6. Some apps doesn't start after launching just turning into minimized mode. If I click on the icon around 100 times the app starts(but it's ...
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0answers
57 views

Set a different password for unlock to my sudo password

I am running a single-user Ubuntu install. When I enter the password to unlock my screen after suspend/timeout, it is the same password I use for sudo - my user password. Is there any way for me to ...
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16 views

ubuntu 12.04 falls back to login or no icons in gui [duplicate]

after hours of searching for solutions i am quite confused and frustrated now. None of the solutions here helped. This is what happend and what i did. Suddenly after days of offline the 12.04 ubuntu ...
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1answer
91 views

“Your system is running in low graphics mode” error

I'm quite new to ubuntu. I recently downloaded pycharm for python development. The fonts on the pycharm editor looked broken, so I was googling for a fix. I stumbled upon this stackoverflow thread and ...
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1answer
366 views

Why does GDM start in TTY2 and TTY7

I have Ubuntu 15.04 and GNOME 3.16 installed. This PPAs are enabled: deb http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu vivid main deb http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu ...
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62 views

Terminal GDM session

How would I create a session file so that when I login using GDM it just launches a terminal session (No windowing, just a plain terminal like in Ubuntu Server)?
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182 views

Black screen Ubuntu Gnome 14.04 Nvidia gtx 750

I have the problem that lately my pc only boots to a black screen. My system(Ubuntu 14.04 gnome) uses a gtx 750. I installed the Nvidia driver 346.47 by sudo apt-get install nvidia-346 I then ...
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0answers
164 views

Stuck at splash screen when changing to GDM

After considering it for a while, I finally decided to install GNOME onto my Ubuntu 14.04 system to give it a play and see if I it was worth switching to Ubuntu GNOME. Everything seems to be fine ...
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1answer
132 views

Login screen design / wallpaper does not work

I am using Ubuntu 14.04 but installed xubuntu-desktop afterwards. Now the login screen is very ugly: The theme is not applied and I cannot change the background picture (only black one shown) Only ...
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50 views

Unity is gone! And cannot get it back

Hello I have had a couple questions regarding my laptop and ubuntu. I managed to get the laptop working but now I think unity is gone (assuming that is what it's called) My question is different from ...
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0answers
389 views

Ubuntu Gnome fails at startup

I just install Ubuntu Gnome 14.10 on my laptop. It started just fine, and I installed updates by: $ sudo apt-get update $ sudo apt-get upgrade $ sudo reboot It's now stuck at Startup with following ...
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49 views

GDM and LightDM running at the same

I have a fresh install of Ubuntu 14.04 LTS. I have installed some GTK-related packages and GNOME but I am not using GNOME neither as my window manager, nor I want to use it as my display manager. I ...
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180 views

Can't login GNOME Ubuntu 14.04.1 64bit using GDM after some packages installation

First of all I checked some threads on GDM fail and found there NO solution to my problem. I have installed new GNOME Ubuntu 14.04.1 LTS 64bit. At this moment GDM works perfectly, and NVidia drivers ...
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1answer
38 views

cannot interact with gnome

I am running Linux 14.04 with Gnome. My Laptop just spontaneously lost all ability to interact with gnome - no toolbar at the top, no icons on the left, work space switching does not work, and no ...
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1answer
78 views

Two Monitors, login does not show up - Ubuntu 14.04

I'm trying to use Ubuntu 14.04 on my PC. I have two monitors and an ATI Radeon HD 4770 Video Card. The thing is, after installing Ubuntu, and after reboot, the login screen does not show up, and the ...
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1answer
215 views

Can't login from GDM

I've upgraded to Gnome on my Ubuntu desktop, however I have to login in with tty and run startx, but when the computer sleeps, I have the gnome login screen and it doesn't accept my tty password... ...
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1answer
1k views

Changing X display manager

On my Ubuntu 14.04 there's gdm and lightdm installed. Is it recommended to have both installed? How can I check which one's active and how can I change them? I have some troubles with the Ubuntu ...
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2answers
299 views

Can't boot after installing gnome

I just installed gnome by typing sudo apt-get install gnome-shell, and used gdm as login shell and my PC can't boot. It stayed in purple screen with Ubuntu logo! What can I do?
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2answers
117 views

Ubuntu 11 display manager startup problem

Several days ago we had a power failure. When I rebooted my Ubuntu Linux box, it initially came up displaying the F in the center of the screen but never went to the login. Instead it goes to a black ...
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1answer
85 views

GDM without Accessibility Dialog

I would like to disable the accessibility icon on the top right corner of GDM. I tryed insert some keys at the gconf, but thoses commands gave me no results: gconftool --type Boolean --set ...
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1answer
4k views

What to do when nothing seems to fix Ubuntu 14.10 stuck after log in?

So I run Ubuntu 14.10 on HP Pavilion g6, i5 and with Radeon HD6500. Yesterday Ubuntu crashed and since then I can't get anyfurther than the log in screen. Ubuntu simply stucks with only the background ...
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0answers
57 views

Cannot set system default Desktop Environment

I am using Ubuntu 14.04. Recently I completely uninstalled Unity and lightdm, and installed Gnome 3 with gdm. Now I can log into Gnome Desktop by selecting Gnome from log in screen. However, if I ...