Questions tagged [login-screen]

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

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Kubuntu: Screen resolution issue

I reinstall kubuntu-desktop (because I had issue with it) and after that I ran into of a problem with font size. All fonts on the screen are very big! I changed font size in the Settings - Fonts - ...
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2answers
247 views

Customize Login Screen 18.04

How can i customize the login screen instead of having the normal ubuntu login screen?
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0answers
25 views

I changed frame rate and got freeze after login (Ubuntu 19.04)

I edited my .profile file with xrandr to change framerate. Then I restart the computer and it gets freeze after the login screen. The mouse doesn't move, but the keyboard still works. How do I change ...
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3answers
3k views

Ubuntu 14.04 not logging in after NVIDIA update

I want to run a cuda program on Ubuntu 14.04 LTS 64bit, but the error i got was: cuda driver version is insufficient for cuda runtime So i downloaded nvidia driver from its official website. I ...
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31 views

Removing a glimpse of purple screen at starting up of my pc

I have edited the log in screen and log in animation through plymouth. I prefer a total black screen or simillar theme. Everything is ok for now but when I hit enter after giving my password in the ...
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1answer
53 views

Bold User name text on login screen

In 18.04, during the first login, my user name appears in bold text. I need to click on it to enter the password. Is it possible to remove bold and make the user name appears as normal text ?
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58 views

Login screen doesn't look right on Ubuntu 18.04.2 LTS [duplicate]

This is my login interface but I am using Ubuntu 18.04.2 LTS version. I want to switch to the default login page.
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1answer
125 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?
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18 views

Long desktop load time after gnome login (approx 30sec)

I am experiencing long desktop load time in ubuntu 19.04. The computer boots up fast as before but it takes about 30 secs extra to load the desktop home screen after successfull user login. I have ...
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1answer
48 views

Log-in screen background (on Ubuntu 18.04) is not changing though I made necessary changes in necessary files

Actually the instructions for changing the log-in screen background are very clear and distinct. So, I don't think I made anything wrong. First I copied my desired image here /usr/share/backgrounds/...
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1answer
42 views

What are the difference between the options in the drop down menu beside sign in option?

In the log in screen there is a small settings icons beside 'sign in'. There are some options in there including 'ubuntu', 'gnome' etc. I am familliar with these but what's the significance of ...
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30 views

Ubuntu login failed to authenticate

First: I tried to setup login with finger print by sudo pam-auth-update Based on this answer https://askubuntu.com/a/1092947/970785 But I make mistake by check only finger print and uncheck all ...
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76 views

How to install a downloaded gdm theme to change my log in theme?

I have downloaded themes from https://www.gnome-look.org and I have changed applied the gtk themes and shell themes successfully. But I am facing a great difficulty in changing the log in screen. I ...
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1answer
35 views

Authenticate user using folder name (domain)

I lost my password and login for Ubuntu and now trying to reset it. I use local machine with Ubuntu 18.04. I found the right way (some guide) using such command from the safe mode: passwd username ...
290
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43answers
900k views

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 ...
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2answers
217 views

Ubuntu 19.04 login screen

I'm the only user on the login screen. Upon hard booting after a freeze, my username used to be highlighted automatically, so I could login by only using the keyboard. Now, my username is no longer ...
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0answers
35 views

How to get rid of quick purple screen that shows between login page and user's wallpaper?

I am currently trying to get rid of all purple screens that shows in Ubuntu in different places. Only one case left, and it happens between when I have typed password on gdm3 screen and my desktop ...
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47answers
936k 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 ...
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1answer
47 views

Boot: Normal vs Recovery

After a recent update to Ubuntu 18.04.2 LTS, my system hangs during boot (see my first question at 18.04.2 Hangs during boot after update). This time I am asking for help to learn about what would be ...
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1answer
3k views

Just upgraded to 15.04 and i'm crashing at the login screen

I just attempted an upgrade from 14.10 to 15.04, the upgrade completed and i get as far as the login screen but when i input my password the screen blacks out flashes a bunch of text that i haven't ...
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0answers
31 views

Can't login after suspend in Ubuntu 16.04

I have dual booted my system with Ubuntu 16.04. Whenever I close the lid of my laptop and open it I can't login at all. I can use mouse on login screen but can't type anything. Then I need to restart ...
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0answers
35 views

KDE Plasma login screen broken after reinstalling Breeze cursor theme

So I tried reinstalling the Breeze cursor theme using Muon package manager. Immediately after, the System Settings application stopped being able to display some pages. I didn't think much of it, and ...
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1answer
64 views

May I log in as root? [closed]

I'm very new to Linux, have used Ubuntu, Mint, Elementary and KDE Neon for 2 or 3 days altogether on VirtualBox to select 1 for installation on the laptop I use daily. I've chosen KDE Neon 5.16 and ...
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2answers
873 views

Changing login background automatically

If I changed my desktop background picture, that picture would also be set to login screen. Now it's not working. Whatever I change, login background is the same picture (Ubuntu's default picture) How ...
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1answer
130 views

Ubuntu 18.04 login page freezes, not entering tty

Cannot log into Ubuntu. Recently removed python3, regretting it, restarted a computer and cannot enter the system. Not reacting to inputs at all, cannot switch to tty as well. Ubuntu 18.04.1 LTS
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0answers
167 views

Ubuntu 19.04 boots to blank screen

I turn off my laptop, grub menu pops up, I clicked on ubuntu and after some time it shows me blank screen. I have set the login to automatically without any password required. It showed the ...
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0answers
431 views

KDE 5.56 SDDM Login screen resolution on HiDPI FHD screen

OP on reddit Hi, I have a problem with Kubuntu 19.04 in my 13" FHD (1920x1080) laptop screen. The login screen is too small as was the whole Plasma KDE. I was able to re-scale the screen to 1.5 (...
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3answers
980 views

Laptop Screen Rotates Automatically

Currently i am using Ubuntu 18.04 and Whenever i turn on my laptop after loading Ubuntu icon screen the screen rotates on User login screen even when laptop is not rotated. And it shows two cursors ...
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1answer
100 views

How to remove/change ubuntu logo in the loging page (Ubuntu 19.04)

Example Pic: How can I remove this LOGO (not wallpaper) from the login screen of ubuntu? Is there a specific line I need to change in /etc/alternatives/gdm3.css
9
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2answers
8k 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?
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0answers
299 views

How to change the background image of login screen of Ubuntu 19.04? [duplicate]

When I googled how to change the background image of the login screen of Ubuntu 19.04, there are a bunch of pieces io info related to older versions of Ubuntu, but the latest version, namely 19.04. If ...
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1answer
3k views

Switching from Unity to KDE login screen problem

I switched from ubuntu to kubuntu today using apt-get install kubuntu-desktop, which worked fine except from the fact that the login screen that pops up when I boot up my computer is still the unity ...
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0answers
24 views

Plugin to change login screen wallpaper 18.04

Is there any plugin which allows us to change the 18.04 login screen wallpaper which is a purple + noise by default. I know we can change ubuntu.css , but is there any GUI based plugin yet ? Thanks.
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0answers
24 views

How to reduce the boot time of kubuntu? [duplicate]

I am using KUBUNTU DE. When I start my laptop, A blue screen with KUBUNTU logo keeps loading for long time before the login screen appears. Because of that boot time increases with significant time. ...
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0answers
25 views

Login Screen not working

After being inactive for a while I try to login and this happens. No matter what key I press, I don't get to enter username/password. The only thing I can press is the top right corner and that's what ...
2
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2answers
1k views

Ubuntu 17.10 monitor position on login screen

So I've configured my desktop so that Monitor 1 is on the left, while Monitor 2 is on the right. But after a reboot, the monitors switched position, so Monitor 1 is on the right, while Monitor 2 is ...
2
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1answer
7k views

How to login to Ubuntu 18.04 without a password

I have just upgraded to Ubuntu 18.04 from 16.04 and I appear to have lost my ability to login without a password. This is something that I used in 16.04 for a media player computer that I have in my ...
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4answers
33k views

How to change the screen resolution for the GDM login screen?

I use a login list with faces and the icons and text are tiny in GDM. Is there an easy way to change the resolution of the login screen? I'm currently using 10.04 Lucid.
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3answers
5k views

Can't find lock computer option in ubuntu 18

When I click ctrl+alt+del I wan to lock my computer (not log off). I can not find the lock option, only log out and it says [user] will be logged out automatically in 60 seconds How to enable ...
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0answers
172 views

I am not able to login. Getting “Sorry that didnt work. Please try again” error before entering password

My system is not even letting me enter my password. As soon as i select the username to enter my password i am getting an error "That didnt work Please try again." I tried to login to tty by pressing ...
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0answers
20 views

How to edit. profile from shell [duplicate]

Actually I had updated. profile file with export PATH for mongo DB and to reflect changes had to restart the machine. After restart I caught in an unending login loop. Ubuntu is not allowing me to ...
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0answers
58 views

Unable to change keyboard layout on lock screen

I upgraded my Ubuntu from 18.10 to 19.04 and now I have two issues. I have two layouts. Login screen displays "EN" every time (and sometimes it not true). I am not able to change keyboard layout on ...
100
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10answers
160k 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 ...
32
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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 ...
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1answer
175 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. ...
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0answers
502 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 ...
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0answers
518 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 ...
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1answer
58 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, ...
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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 "...
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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 ...