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Questions tagged [login-screen]

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

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Infinite Login Loop in Ubuntu 20.04

I'm facing an infinite login loop in ubuntu 20.04. I'm guessing that it's because of the error "No space left on device" but I'm not sure. I don't understand why I'm having a space issue ...
Malika Arora's user avatar
0 votes
0 answers
36 views

After login as a particular user, how do I login as another user? [duplicate]

Such a basic thing I can't find anywhere in google. I just need to re login as another user, without having to annoyingly logout. Logout closes my putty terminal, and I have to relaunch and reconnect ...
user1034912's user avatar
0 votes
1 answer
287 views

Top Bar and Login Screen Low Resolution

I have a brand new install of 20.04. When I log into the OS, the login screen is a low resolution (something like 800x600, but I am not 100% sure what it is). Then once I log in, everything is normal, ...
Reid's user avatar
  • 173
0 votes
1 answer
3k views

How to reset Ubuntu 20.04 Login Screen to defalt like this picture

I want to change Login Screen like this picture
TrinGamer's user avatar
0 votes
0 answers
77 views

my username turns into dots on the login screen

This error suddenly appeared with no reason, my username in the login screen is written like "ez..." instead of "ezzat" like if the text is overflown. Also, there is a slide bar on ...
Ezzat Rashed's user avatar
6 votes
4 answers
4k views

Graphic login screen displays login name instead of full user name

I am using Ubuntu 20.04.1. Recently (I haven't noticed exactly when), the graphic login screen of Ubuntu started showing the login names (the first field in the /etc/passwd file) instead of the full ...
FedKad's user avatar
  • 11.3k
4 votes
1 answer
219 views

I'm seeing Weird block letters instead of alphabets on login screen on Ubuntu 20.04

Last night, I've installed Nepali keyboard layout on my Ubuntu 20.04 and I tested it, it worked as expected. But, today when I switched on PC back I am getting this screen. I have tried removing the ...
Aakura Pyakura's user avatar
1 vote
0 answers
498 views

Ubuntu login screen customization - show an animation when correct credentials are entered

I know we can customize the Ubuntu 20.04 login background, however I want to develop something slightly different. I would like, when the user enters a correct login and credential and then click the ...
mika's user avatar
  • 23
0 votes
0 answers
576 views

How in Ubuntu 20.04 change users order on login screen

I have two accounts in my system. As first is showed account less often used by me. I would like to set as first on list my account. I found this topic How can I change the order of the users in the ...
Erii Asari's user avatar
1 vote
1 answer
557 views

Cannot set language and format of login screen

I want to set the language and format of the login screen to English (United Kingdom). It appears to work: if I click the Login Screen button in the Settings dialog, set the language/format, dismiss ...
DodgyCodeException's user avatar
0 votes
0 answers
139 views

How to get started on making boot time look like raspberry pi OS?

I have some knowledge of what happens from when I hit the power button till I am presented with the log in screen. I use the Ubuntu Mate 20.04. I have been experiencing inconsistent screens and then ...
scribe's user avatar
  • 680
3 votes
1 answer
1k views

Ubuntu 20.04 Login with no "see password" option

is there a way to disable the eye icon in the login screen to prevent from someone "accidentally" turning it on and thus showing their password in plain sight? Thank you!
Leandro's user avatar
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0 votes
1 answer
297 views

I am not able to reach login screen

I was using bleachbit then the system got stuck It was not working I did a force shutdown Now when I reboot I am not able to reach the login screen I entered the tty and found that the system had no ...
Austin Rojers's user avatar
4 votes
2 answers
3k views

Ubuntu 20.04 not showing login option to change desktop evirornment

As the title says, the icon on the bottom right of the login screen is not showing at all. It was not showing from the default installation nor after installing BSPWM. Any suggestions?
Dario Salvati's user avatar
16 votes
3 answers
11k views

How do I set a picture for my user on the login screen in Lubuntu 20.04?

I would like to display an image of my choice instead of the grey icon above my username on the login screen: No doubt there is a setting for this somewhere, but I have failed to find it so far. How ...
Zanna's user avatar
  • 70.9k
0 votes
0 answers
169 views

Manufacture logo shown instead of the login screen when booted with an external monitor

Background: I have always been frustrated with the way Ubuntu handles laptop's lid behaviour while connected to an external monitor. This was also an issue with my previous installation of Ubuntu 16 (...
scribe's user avatar
  • 680
0 votes
1 answer
2k views

Start a program before logging in?

I have a desktop and a laptop, both running ubuntu 20.04 for what it's worth. The desktop in the office has a network card compatible with Wake On Lan, so sometimes I will be in the living room and ...
metichi's user avatar
  • 907
1 vote
1 answer
221 views

Upgraded Ubuntu 18.04 to 20.04 and crashes at login screen

Translated from Portuguese: I was using version 18.04 and formatted and installed version 20.04, and now when I turn on the computer and the screen to enter the password appears, after I enter the ...
Cleberb's user avatar
  • 11
3 votes
2 answers
3k views

How to set proper resolution at bootloader and screen login

I'm having trouble with screen resolution on Ubuntu 20.04 with an HP 2009v monitor, which has native resolution 1600x900 pixels. Problem is that when I startup the computer (with integrated Intel ...
Matteo's user avatar
  • 51
0 votes
0 answers
51 views

No gdm.css in Ubuntu 20.04, how to change login screen background then? [duplicate]

Before ubuntu 20.04 (at least in 18.04 I am sure) you could change the background for login screen, by editing /etc/alternatives/gdm.css, and changing the url of background image to my favourite file. ...
Masoud Borbor's user avatar
2 votes
2 answers
2k views

Desktop is crashing when I try to use any app -Ubuntu 20.04 VM running on VirtualBox

I hope you could help me to diagnose this problem. My environment is: Description: Ubuntu 20.04 LTS - Release: 20.04 - Codename: focal Oracle VirtualBox: Versión 6.1.8 When I search for an App, or ...
Yonny's user avatar
  • 23
8 votes
2 answers
9k views

Ubuntu 20.04 login screen doesn't appear on the primary screen

I don't understand why this important and many users concerned bug (easy to solve) exists since so many years and all the discussions refer to mark something as duplicate and outdated. This bug https:/...
Mike's user avatar
  • 411
2 votes
3 answers
5k views

Kubuntu sddm rotated login screen (20.04)

The login screen has the wrong rotation(portrait). After I log in the rotation is like it should be (landscape). Where/how do I change the screen rotation of the login screen for kubuntu sddm? I am ...
BugSquanch's user avatar
2 votes
1 answer
1k views

"Authentication Error" on gnome lock screen after restarting gnome-shell

After restarting gnome-shell, when my screen is locked I can no longer enter my password. When I type a character into the password field the character is erased immediately and the message "...
JanKanis's user avatar
  • 673
0 votes
0 answers
75 views

Can't change login pw

Ubuntu MATE 18.04 LTS. Have forgotten my login PW so have attempted to change it following these directions https://itsfoss.com/how-to-hack-ubuntu-password/ Boot into recovery mode Get into shell ...
Bachalo's user avatar
  • 753
1 vote
0 answers
18 views

Ubuntu 16.04 suspends screen while still active

I am using Ubuntu 16.04 and even when I am working, with mouse and keyboard activity the system suspends and the login screen flashes. I changed the power option but the problem remains. Here is the ...
Naval Kishore's user avatar
0 votes
3 answers
7k views

gdm3 login loop, lightdm works in Ubuntu 20.04

A lot of people seem to have this issue, and many people have been able to fix it, but I have used every fix (besides reinstalling Ubuntu or creating a new user and moving stuff over) and have not ...
Everett Flynn's user avatar
1 vote
0 answers
565 views

Login Password, Grub Password or Bios Password

I found that Ubuntu login password can be easily reset as mentioned in this article: Reset Your Forgotten Ubuntu Password in 2 Minutes or Less I was wondering if there are alternatives to this. Is ...
Porcupine's user avatar
  • 679
1 vote
0 answers
61 views

I changed the background in login screen and now I can not log in

I Changed the background screen and when I tried to login it displays a error message. I followed these steps. vitux.com/how-to-change-login-lock-screen-background-in-ubuntu edited using text ...
Nisal Fernando's user avatar
1 vote
1 answer
508 views

Long waiting for login prompt at screen lock. Ubuntu 20.04

I have just upgraded Ubuntu 19.10 to 20.04. I hit on something that force me to wait about 20 seconds for login prompt at screen lock after I push keys. This happens every time I need to log in after ...
Alexander Vasiljev's user avatar
1 vote
0 answers
890 views

Ubuntu 20.04 logging in, stuck on purple screen

I installed Ubuntu 20.04 LTS (Focal Fossa) on my 2014 13" MacBook Pro. First, when I use USB stick install Ubuntu 20, everything is okay. After the installation, system can be normally use also okay. ...
Ekestfa's user avatar
  • 11
0 votes
0 answers
118 views

Is it possible to login from a cell phone

I want to login to UI from another device. Google authentication satisfies me but it does not work perfectly. I would like to work it as the finger login works. I am working on HP and I have problems ...
Victor Shelepen's user avatar
2 votes
2 answers
2k views

Login loop for user account (gdm3)

I can't login in my gdm3 usual session and it goes [in loop like there]. I made sudo adduser test, and things go just fine with that user. Before I got in that loop I did update/upgrade my system, ...
B. du Garay's user avatar
2 votes
2 answers
627 views

Why am I getting keyboard input lag on the GDM login screen?

I am facing a strange issue with Ubuntu 20.04. The keyboard input lags a lot on the login screen when entering password. After login there is no lag. My device is HP Elitebook Folio 1040 G1.
Malik Bilal's user avatar
1 vote
1 answer
107 views

Ubuntu Studio 20.04 Login doubling to a second login which won't allow a password entry, requiring reboot

As stated, normally logging in fine, but after about 20 minutes the login will come up, I put in password, and instead of going to desktop, it prompts a second login, which will show a similar motif, ...
Charley Horse's user avatar
0 votes
1 answer
1k views

How to change wallpaper or background of lock screen in Ubuntu 20.04?

As any of the techniques used in earlier versions of Ubuntu is not working(editing .css file, running scripts, or through extensions etc). Are there any methods to change the background???
Tuhin Garai's user avatar
2 votes
2 answers
5k views

Close lid without suspend

How can you make it so when the laptop lid is closed, the PC doesn't suspend or lock but just turn off the display so that I don't have to log back in. I have tried changing the lid close action to ...
VidathD's user avatar
  • 2,744
2 votes
1 answer
714 views

Displaying lxdm login screen on both monitors

I want my lxdm login screen to appear on both monitors so that I can login whichever monitor happens to be turned on, which xrandr seems unable to determine. With xdm, I could accomplish this by ...
Siep's user avatar
  • 121
4 votes
2 answers
28k views

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 ...
Jason's user avatar
  • 143
2 votes
1 answer
362 views

logon screen settings

I know this seems like a weird question, and the answer is probably something way too complicated to get done by my numbskull, but how do I 'tweak' my logon/login screen setting to NOT go 'blank' a ...
The MAJOR's user avatar
  • 123
2 votes
0 answers
6k views

How to change the initial login screen background with blur in Ubuntu 20.04?

In Ubuntu 20.04, if I change the wallpaper then lock screen and login screen changes automatically. I am happy with this. But When I am not logged in any account then default login screen background ...
Sharif Minhazul Islam's user avatar
0 votes
0 answers
115 views

Buttons in log in screen don't work

I can't click the cog icon, the go back icon and the show password icon in the login screen. Anyone know how to fix this. Please note that I have no trouble typing the password and pressing enter to ...
VidathD's user avatar
  • 2,744
1 vote
4 answers
2k views

Facing Login Loop in Ubuntu 20.04 Focal Fossa

All of sudden started facing Login Loop. I tried upgrading packages via tty still no luck. Tried startx via tty3 and it's success but too irresponsive. Tried chown .xauthority file with username. ...
MC Naveen's user avatar
  • 317
1 vote
1 answer
845 views

Clean Ubuntu Install with Nvidia stuck on login screen, login loop [duplicate]

I'm a new Ubuntu user trying a first install. I've just built a PC and everything went smooth right up until the Ubuntu login screen. I am prompted to type in my password, I do, and nothing happens. ...
Evan Wrenn's user avatar
3 votes
2 answers
7k views

How to select lightdm greeter theme or appearance?

I'm testing Ubuntu 20.04 LTS with many desktop environments installed. Currently I have the following: $ dpkg -l | grep -i greet ii arctica-greeter 0.99....
N0rbert's user avatar
  • 101k
0 votes
1 answer
72 views

Login screen changed

I've a problem with my laptop in brightness after installation of NVIDIA card. I followed this Link and when i restart laptop and login again it worked only with way-land and when i tried to use any ...
sam's user avatar
  • 1,373
2 votes
0 answers
183 views

Cannot log on as other user with Bionic and (vanilla) GNOME without first logging off

NB: This is not the same issue as in this question (Unable to switch users at lock screen. Unity, Ubuntu 18.04)! In my case lightdm isn't even installed and so reinstalling it is not an option. I am ...
0xC0000022L's user avatar
  • 5,722
1 vote
2 answers
842 views

Brand logo after login

I changed my desktop to Ubuntu Mate and came back to Ubuntu default desktop. Now after entering my password I see my laptop brand logo for a few seconds. After that Ubuntu starts normally so is not a ...
Ezequiel's user avatar
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 ...
Rahul barate's user avatar
0 votes
1 answer
202 views

Uninstalled gtk and ubuntu freezes in login

Summary: Unintentionally removed gtk from my xubuntu and now it is stuck at xubuntu loading screen. Details: I wanted to uninstall libjson-glib-1.0 but it uninstalled gtk as well which i didnt think ...
Romin's user avatar
  • 43

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