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Questions tagged [login-screen]

Questions about the login screen, specifically customizing/troubleshooting it.

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32
votes
15answers
120k 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 ...
1
vote
1answer
177 views

Error at Login Screen after changing the background of Login Screen (Ubuntu 19.04)

My problem happened after I tried to change the background of Login screen. I have changed the file /usr/share/gnome-shell/theme/Yaru/gnome-shell.css and this /usr/share/gnome-shell/theme/gdm3.css. ...
1
vote
0answers
525 views

Ubuntu 19.04; no automatic graphical login screen shown on boot

I recently did a fresh install of Ubuntu 19.04. Since then, when I boot up my machine I get a screen showing the boot log, but not then switching to the login screen. I can manually start the login ...
0
votes
0answers
571 views

Keyboard and mouse are extremely slow / lagging in Ubuntu 18.04's login screen

I have just installed Ubuntu 18.04 in a computer that has an ASRock EP2C602-4L/D16 motherboard with two Intel Xeon E5-2660v2 CPUs and 128 Gb of DDR3 RAM. Ubuntu is installed in a 1Tb SSD. Everything ...
0
votes
1answer
59 views

Stuck in the “Log in as another user” screen loop

All of my Ubuntu 18.04 LTS installations eventually gets stuck in a loop where the screen shows the last user who logged in and is prompting for a password. It has the following options: Cancel, ...
0
votes
0answers
41 views

After upgrade to 18.10 Gnome login fails and flashes

I've upgraded from 18.04 to 18.10 Now I cannot login to gui. When I boot, after a long time login screen appears. I click on my username and then it's strange: there's grayed out password field and "...
0
votes
1answer
44 views

How to change login order when there are two or more IDs in Ubuntu

I was using one account. But, there was a problem with this account. New accounts are not a problem at all. I do it when I log in. I have to choose the second ID with the arrow keys. I want to set ...
2
votes
2answers
5k views

Apply theme on login screen

I've installed the popular arc-theme (with gnome-tweaks) and it looks awesome in the darker variant. However it does not load until I log in. I would like to have it applied to the login screen as ...
1
vote
0answers
37 views

How to switch languages on login and lock screens?

I have configured Ctrl+Shift to switch languages in Ubuntu. Unfortunately, this combination doesn't work on neither login screen nor lock screens. How to switch languages on login and lock screens?
0
votes
2answers
646 views

Any way to change lightdm unity greeter background without changing current config files?

About changing lightdm unity greeter background image, most answers are to change /usr/share/glib2.0/schemas/com.canonical.unity-greeter.gschema.xml. Is there any way to change the default wallpaper ...
0
votes
0answers
46 views

Exclude one user from login screen with 18.04 LTS [duplicate]

I tried two ways. First I edited gdm3/custom.conf sudo gedit /etc/gdm3/custom.conf in order to add up a greetere section where the user to be hiden should be listed like [greeter] Exclude=nobody,...
24
votes
5answers
29k 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 ...
0
votes
0answers
25 views

Having NVMe troubles using Ubuntu [duplicate]

I am semi-new to Linux and Ubuntu, I recently just got a NVMe drive dedicated to my Ubuntu itself and I am running into troubles with using ubuntu on this SSD (I did not have any trouble installing) ...
0
votes
0answers
42 views

Ubuntu 16.04 with Unity. Get login banner but never goes to login prompt

My 16.04 machine boots fine and gets to a GUI box with login banner to accept or cancel (I think this means lightdm has started at least), but after clicking OK it just keeps coming back to the box ...
0
votes
0answers
38 views

Use login screen as lock / unlock screen

I've seen this question and I am asking myself if its possible to use my login screen as lock / unlock screen as I prefer the login screen visually. I use Ubuntu 18.04.2 LTS
0
votes
0answers
74 views

Making custom gdm theme

I want to make my own gdm theme. I know that I can simply edit the ubuntu.css file and try restarting again, but is there better way to do the same ? I have searched the gnome page for it and i was ...
0
votes
0answers
40 views

Can`t initialize the system after chosing to login with Cinammon on login screen

Context: I have a laptop, running Ubuntu 18.04 LTS with this dedicated GPU: NVIDIA geforce MX110. I've found that all this time it was using the default GPU, not the dedicated one. So I installed the ...
0
votes
0answers
53 views

How do I lower the refresh rate on the login/lock screen?

How do I lower the refresh rate on the login/lock screen? It is currently set to 75Hz, this is causing my screen tear and flicker. When I log into my account, the refresh rate is set to 60Hz and the ...
0
votes
0answers
340 views

Ubuntu 18.04 Boot freezes at “Started Hold until boot finishes up”

I'm currently using my old windows computer to post, because I've caused a boot process issue on my ubuntu 18.04 computer. The problem started when I was trying to figure out how to remap my right ...
3
votes
1answer
881 views

Cannot login anymore to XFCE

I cannot login anymore to my XFCE desktop environment, since today. From the login screen (GDM3, LightDM and SDDM behave the same), I login to my account choosing XFCE, the screen turns black, and it ...
3
votes
0answers
214 views

Ubuntu 18 login loop + startx works

So recently I got stuck in a login loop on Ubuntu 18. I tried some solutions posted here but none of them works for me so far. Here's what I tried by accessing terminal from login screen: Checking ...
7
votes
8answers
34k 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 ...
1
vote
3answers
1k views

Input devices stop working after logout or switch-user in ubuntu 18.04 LTS

After clicking logout or switch user, once the system reaches the greeter/login screen, input devices -- keyboard, mouse, touchpad -- stop working, making it impossible to login back or shutdown. ...
0
votes
0answers
36 views

UBUNTU Login Freeze + TTY shortcut not working

I ran into the problem of when I login in, Ubuntu freezes, I looked at the solutions, but I can’t open the tty with any of the alt cntrl fs
1
vote
0answers
18 views

Sometimes when I lock the screen and try to resume my work the password screen acts like something is repeatedly trying to log

Sometimes when I lock the screen and try to resume my work the password screen acts like something is repeatedly trying to log. The end result is that I can't type anything and the error message when ...
1
vote
1answer
1k views

How to turn off the lock screen completely on ubuntu 18.04

[A lot of people have had issues with this but none of the threads have been answered. No one I could find has yet just asked to have the thing removed entirely. I also shouldn't be calling it a "lock ...
0
votes
0answers
47 views

Ubuntu 18.04.2 login loop

My dell laptop is dual booting ubuntu 18.04 and windows 10, while I was using vscode, chrome and installing wine throught the terminal, ubuntu stucked so I rebooted it but when trying to login it logs ...
0
votes
0answers
259 views

Ubuntu 18.04 - Nvidia BlackScreen - Initramfs - MATE Desktop

Update - I determined what the root cause of the issue or at least found a work around. The issue is with Ubuntu 18.04 or at least with comes on it. I tried to change from gdm3 to lightdm but that ...
0
votes
0answers
19 views

Can't log in properly after version upgrade

I recently upgraded from 16.04 to 18.04 and couldn't log in afterwards. I Googled some answers about this and have gotten as far as ensuring that .Xauthority and .ICEauthority are owned by my user and ...
1
vote
1answer
50 views

I hibernated my PC, but it has not able to resume it. (Ubuntu 18.10)

I used this syntax: sudo hibernate And after sometime, when I pressed the power button and waited. This message is on the screen for like half an hour but no sign of login appearance. s2disk: ...
-1
votes
1answer
252 views

How to prevent someone from logging in into Ubuntu without knowing the password?

I just had my browser tabs changed when I just logged in today, it was Incognito so I can't tell if I can go back to it, but I'm very confused as to how can someone logged in to my computer without ...
4
votes
7answers
28k views

Ubuntu 14.04 Returns to Login Screen After Login

When I type in my password to my newly installed Ubuntu 14.04 computer, it returns me to the login screen. I've seen other answers but those were to Ubuntu 13.04 and older and didn't work.
19
votes
2answers
8k 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 ...
1
vote
1answer
961 views

Ubuntu 18.04 unity login loop

Description of the issue: I'm stuck in a login loop with Ubuntu 18.04 64 bit (4.15.0-46-generic x86_64 GNU/Linux) when I try to login with "Unity (default)" (installed after: https://linuxconfig.org/...
0
votes
0answers
5 views

18.10 login error?

When I am on the login screen after a fresh install, my account shows up and the mouse is laggy on this screen, I login and it goes to a black screen shows mouse, it dissapears, and then reloads the ...
0
votes
3answers
5k views

Correct password fails to login (login loop) in Ubuntu 16.04

I know this question asked so many times before but none of the solutions worked for me. My OS is Ubuntu 16.04.5 (alongside Win10) when I type the correct pw it enters the login loop. journalctl ...
0
votes
0answers
30 views

I can’t launch into the display [duplicate]

When I start my pc, the login screen appear. I tried to login but I can’t access to the display and this message comes up. I don’t know what to do. I can’t access to my documents and I only have ...
2
votes
0answers
125 views

Keep GDM from printing password to console?

Whenever I login with GDM, it prints my password to the console, and when logging out it is visible temporarily until GDM loads again. I would like to disable this (assuming it's supposed to do this ...
0
votes
0answers
15 views

See what affects wakeup time

Is there a way to check what affects startup time from suspend? I get this short black screen for ca. 5 seconds after waking from suspend, and then the login screen becomes visible. This does not ...
0
votes
1answer
178 views

Login hang/freeze with Gnome 3.28.2

Too often, when I attempt to login on Gnome 3.28.2 (Ubuntu 18.04.2 LTS Bionic Beaver (fresh install, but old home account recopied)), once the password is entered, the login window remains there, ...
4
votes
3answers
7k views

Ubuntu 18.04 change Login Screen theme (not wallpaper)

I can't seem to find any way to change the default orange on black theme on Ubuntu 18.04. I am using Adapta theme on my desktop, but it does not get applied to the login screen. Please notice that I ...
0
votes
1answer
378 views

After installing SELinux, I was locked out of Ubuntu 18.10. Log in screen never appeared. What am i missing here? How to properly install SELinux?

After reading a lot of articles, I heard SELinux is a great way to tighten the security. So I decided to install SELinux and I used below command: pranav@inspiron-5548:~$ sudo apt-get install ...
3
votes
1answer
665 views

Changing the Colour of GNOME (GDM) Login Box on Ubuntu 18.04

I changed the background to an image on my login screen. No problem. However, I want to change the user selection box from orange to something complimentary. How do I do this?
0
votes
0answers
120 views

How to select GNOME at the login screen with command line

Is that possible to select gnome environment with command line? The problem is when I try to select gnome in the login screen, my machine freeze and I need to restart it. Since I can not reinstall ...
2
votes
1answer
604 views

Unable to enter password to login in control alt f1 screen [duplicate]

Disclaimer: I am BRAND new to Ubuntu. A quick background: my laptop hard drive crashed, I bought a new one, didn't want to pay for windows for an old laptop, installed ubuntu, it worked great for a ...
3
votes
1answer
88 views

Can't log in after removing input method

I accidentally removed the English keyboard and replaced with Greek keyboard, then I restarted. Now I don't have the correct input method to enter the password.
1
vote
0answers
103 views

Camera does not turn on when laptop is locked when using howdy (facial recognition)

I am attempting to use the howdy package to attempt facial recognition. Though I am able to use its functionality in terminal, while using sudo commands, I cannot do so while logging in. It seems my ...
16
votes
1answer
2k views

“Authentication is required to update SMART data from” in 16.04

I upgraded to 16.04 [Ubuntu Gnome]. I am using a Lenovo Y700 with a GTX960M. After suspend or closing the lid I ended locked outside the login after that message appeared. It happened twice today, I ...
0
votes
0answers
34 views

Change login screen sleep / blank screen timer

This is more of an annoyance issue but I believe it can be quickly solved with a little more knowledge than mine: When Starting the computer and coming to the login screen I only have about 15 ...
0
votes
0answers
233 views

Lubuntu 18.10 lock screen black

The first login screen after boot works, but when a lock screen should appear after suspend or Ctrl+Alt+L the screen just turns black and I can't do anything (managed to start command line with Ctrl+...