Questions tagged [login-screen]
Questions about the login screen, specifically customizing/troubleshooting it.
210
questions
574
votes
52
answers
1.3m
views
Ubuntu gets stuck in a login loop
My Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back.
I've read that the problem might be caused by ...
297
votes
47
answers
969k
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How to fix "The system is running in low-graphics mode" error?
Note:
This is an attempt to create a canonical question that covers all
instances of "low-graphics mode" error that occurs to a user,
including but not limited to installation of wrong ...
124
votes
13
answers
228k
views
How to enable numlock at boot time for login screen?
I am trying to force numlock to be on upon initial boot at the login screen on Ubuntu 12.04. The only solutions I have found so far switch numlock on only after initial login.
I'm looking to force ...
44
votes
4
answers
93k
views
How do I change login screen theme or background in Ubuntu 20.04?
How can I change the Ubuntu 20.04 login screen theme or background?
In the previous version 19.10, I can change it from the CSS file under Yaru theme but now there is no CSS file.
24
votes
10
answers
135k
views
ubuntu 14.04 login loop problem
My Ubuntu 14.04 is stuck when trying to login my desktop. The screen goes black and soon after that the login screen comes back.
I followed all steps in Ubuntu gets stuck in a login loop but the ...
25
votes
2
answers
66k
views
Remote login with graphical display manager (GDM, LightDM)
Is it possible to remotely (via ssh) make a login to GDM?
I'll explain a situation in which I'd need this:
I'm on my laptop and connect to my desktop via ssh. I realize there are some updates ...
23
votes
6
answers
62k
views
Cannot login to my user account
I upgraded my ubuntu from 11.04 to 11.10 via mounting the latest alternate CD image released on Oct. 13 as the final standard version and running the cdromupgrade prompt successfully, with full latest ...
43
votes
3
answers
75k
views
How can I make LightDM the default display manager?
I have LightDM installed and can start it with sudo start lightdm. But at boot, GDM is still the default. How can change this so LightDM is loaded automatically at boot instead of GDM?
120
votes
15
answers
66k
views
How do I disable the drum beat sound on the login screen?
I would have expected System ▸ Administration ▸ Login Screen ▸ Play login sound to control this, but unchecking it does not prevent the drum beat sound from playing.
36
votes
2
answers
31k
views
Personalize monitor position before login
I'm using multiple monitors.
When logged in everything is fine: The left monitor is positioned to the left and the right monitor is positioned to the right, but before I log in, the login-screen ...
32
votes
8
answers
115k
views
Ubuntu screen flickering
I have installed ubuntu 20.04 on my laptop specification are intel i3 6th gen with intel graphics card 520,screen resolution 1366×768.
when i lock desktop to temporarily turn off the screen but when ...
35
votes
15
answers
133k
views
Changing login screen wallpaper
I have been trying to change my login screen wallpaper to one of my own using ubuntu-tweak. The wallpapers are located in Ubuntu's default wallpaper folder and I have given all users read privileges ...
34
votes
9
answers
12k
views
How can I take a screenshot of the login screen?
How can I take a screenshot of the login screen?
I do not want to recreate my Ubuntu installation in a virtual machine.
12
votes
3
answers
13k
views
Cannot change login screen background in 18.10
I changed both the desktop and login screen background photos. However,only desktop photo is changed. The one on the login screen is still the purple Ubuntu one. Is this a bug?
42
votes
7
answers
110k
views
How do I change the login screen in Ubuntu 16.04+?
The recipies for changing one's login screen in 14.04 [EDIT or in 15.04, 15.10] don't work in 16.04. The "custom" background shows for a split second and then fades to the Ubuntu one. So, how do I ...
29
votes
7
answers
56k
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?
10
votes
10
answers
76k
views
Login screen loops unless you login as Guest [duplicate]
I am running a VMWare Player with a Ubuntu 12.04 LTS Precise Pangolin as Guest on my Windows 7.
Sometimes I get the shutdown blue screen error in Windows, this time it happened when I was running the ...
111
votes
1
answer
154k
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?
4
votes
2
answers
28k
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How to customize Lock Screen theme in Ubuntu 20.04
I changed the gnome shell theme of the login screen to Yaru-dark by following instructions in this answer. I did notice the dark calendar and system menu when I log on after reboot. However, when I ...
25
votes
8
answers
45k
views
rotated monitor. login screen needs rotation
I rotated my screen, and 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?
...
21
votes
6
answers
31k
views
How do I change the login manager's keyboard layout?
I have a netbook with an AZERTY layout. I've changed it to "bépo" to try it, but now I've reset it to a french layout.
While all the apps have taken the change into account, Ubuntu's login manager ...
15
votes
3
answers
55k
views
"Failed to start session" after interrupted upgrade to 14.04
While upgrading to 14.04 using sudo do-release-upgrade my network connection was interrupted and several packages failed to upgrade.
Running do-release-upgrade again reported No new releases found ...
13
votes
4
answers
22k
views
Login loop with fresh 19.10 install
So I installed 19.10 fresh from USB.
I picked no login required.
First reboot after install I'm welcomed inside Ubuntu.
But second time I'm prompted to login for no reason.
Worst part is that i ...
15
votes
9
answers
63k
views
How to change Ubuntu Budgie login screen background?
I want to change the Ubuntu Budgie login screen background to the one I'm currently using on my account; Just like it was with the previous Ubuntu versions with Unity with the draw-user-backgrounds ...
9
votes
5
answers
35k
views
How to restore Ubuntu login screen after lubuntu install?
I have Ubuntu 13.10 installed. I then installed lubuntu 13.10 (sudo apt-get install lubuntu-desktop) too. As a result the login screen has changed and I can no longer get an on screen keyboard.
How ...
5
votes
1
answer
2k
views
Ubuntu datetime locale on login screen
I've installed Ubuntu 19.10, language/locale/formats are set in US/en. And everything seems to work OK, except datetime language on login screen (when I turn on my laptop and see fields for user/...
2
votes
1
answer
9k
views
LightDM & SDDM fight on greeter screen
I had installed Kubuntu 15.04 sometime ago. I upgraded to 15.10, things were going fine till I added ubuntu-desktop to use Unity DE.
When booting with systemd, on startup or login, I get black or ...
40
votes
7
answers
62k
views
Force gdm login screen to the primary monitor
I have two monitors attached to my video card. Primary monitor has a resolution equal to 1280x1024 and the second has 1920x1200. My gdm login screen always appears on the second monitor even if it is ...
14
votes
8
answers
85k
views
After Upgrade from 14.04 to 16.04 login screen runs in a loop while console login works
I am on a DELL Precision 5510 Ubuntu Edition with Ubuntu 14.04 as default installation. Today I upgraded from 14.04. to 16.04 as shown here
The upgrade went without any error messages. However, after ...
11
votes
4
answers
29k
views
How to get Ubuntu to ask for my password at login screen again?
I used to have a password prompt but then I, from somewhere in User Accounts, unchecked "Require a password for login." Now, I want Ubuntu to prompt for a password again at login screen, mainly ...
11
votes
6
answers
40k
views
How to change the login screen resolution in Ubuntu 18.04
I need a way to change the boot-up and login screen resolution to 1920 x 1080 resolution. I have a 4K display on my laptop and can't read the text in the grub bootloader screen properly as they aren't ...
7
votes
1
answer
664
views
Login screen appears in a much older style
The login screen appears in a much older style:
Output of cat /etc/X11/default-display-manager:
/usr/bin/xdm
How can I change it back to normal?
6
votes
1
answer
814
views
Entirely disable suspension (at kernel level? - has to be independent of used DE and login state!)
Once again I need a workaround to deal with my almost broken notebook graphics card: It does not wake up after suspending!
The Ubuntu 14.10 system is waking up, but the display stays off, so I have ...
3
votes
3
answers
7k
views
How do I set the login manager to enable `change languages` at login?
How can I recompile the source to force the option to allow changing languages and keyboard layouts at login?
22
votes
2
answers
11k
views
No symbol table. Press any key to continue
Whenever I boot Ubuntu 16.10, just before the Plymouth screen, I'm seeing this message:
No symbol table found.
Press any key to continue...
and it remains there for a minute or so before showing me ...
16
votes
4
answers
24k
views
How to disable sleep/suspend at login screen?
I've been at trying to do this for the last several hours with no progress.
I'm running Ubuntu 16.04 and I want to disable the sleep/suspend at the login screen (before logging in with any user) so ...
13
votes
0
answers
6k
views
How do I disable the startup sound in Ubuntu 12.04 login-screen? [duplicate]
Possible Duplicate:
How to disable login sound?
I would like to know how to disable the startup sound in Ubuntu 12.04 login-screen; that is, the sound produced at the login-screen before the ...
12
votes
7
answers
54k
views
after 12.04 upgrade: can't log in although password is correct
I upgraded from 10.10 to 12.04, and now can't log in any more. The password is correct- when I type in a wrong one, I am told it's incorrect, while the correct one is seemingly accepted, but then just ...
12
votes
9
answers
35k
views
Desktop login fails, terminal works
I have a freshly setup 12.04 LTS pc system (120 GB SSD, 1 TB HDD, 16 GiB RAM); since a few days, I can't login to the graphical desktop anymore: there is very short flashing shell window which ...
4
votes
6
answers
22k
views
Cannot login via Unity login screen after upgrade to 12.04
Logging in via the shell accessed through Ctrl+Alt-F1 and logging in as guest via the graphical user interface work 0O
When I try to log into my standard user account via the graphical interface, the ...
4
votes
1
answer
8k
views
How do I create a popup banner before login with Lightdm?
When Ubuntu was using gnome I was able to create a popup banner like the banner below before the login screen using zenity in the /etc/gdm/Init/Default. The line of code would be like this:
if [ -f "/...
2
votes
1
answer
2k
views
User Accounts not listed in System Settings User Accounts
I'm running 12.04 on PPC (IMAC G5) - but have a problem with creating/editing user accounts with the System Preferences User Accounts tool. All updates have been downloaded and installed.
When I ...
19
votes
7
answers
17k
views
Login screen password language
I have ubuntu 12.04, and 2 languages on my keyboard.
Every time the screen goes black it requires my password, which is in English. But the language set is the one I have used last. How can I make it ...
17
votes
7
answers
45k
views
How can I change the Keyboard Layout on login screen?
I changed my Keyboard Layout from Swedish to English, but now my password doesn’t work and I can’t login. I need a way to change the keyboard layout at the login screen without having access to the ...
10
votes
5
answers
2k
views
How can I disable passwordless login?
I set my account to be allowed to log in without a password. I only wanted this temporarily, but I can't seem to change it back to how it was before.
How can I make it so that my password is ...
9
votes
10
answers
38k
views
Ubuntu 18.04 Login window loop
Is there any reason the login window would stop working and start looping? I'm running 18.04. I normally RDP into the ubuntu box, but that isn't working now. Using a keyboard and mouse, I see my ...
8
votes
1
answer
18k
views
Disable auto-login from the CLI
After successfully installing Ubuntu and logging in to the Unity desktop, I followed the prompts to enable the proprietary display drivers.
After rebooting, the Unity desktop is now entirely ...
7
votes
6
answers
14k
views
How do I prevent being kicked back to the login screen every time?
Just finished upgrading from Ubuntu 13.04 to 13.10. Everything works fine. After the installations, I restart to finish the installations. In the log in screen, I put my password and then it goes back ...
7
votes
3
answers
13k
views
Light Display Manager as login account [closed]
yesterday I installed Ubuntu 13.10, and since I rebooted my laptop, there is a user account called Light Display Manager as available option on my login screen.
A password is needed for login, but I ...
6
votes
3
answers
24k
views
Login screen won't accept my password
I recently upgraded to 12.04 from 11.10 and since upgrading have been unable to log in to my user profile. The upgrade went okay and I can login to a guest session fine but whenever I try to login to ...