Questions tagged [login-screen]

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

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How to programmatically log-in a user remotely

How do I programmatically and remotely (using SSH) log-in a user so that the lightdm login screen closes and loads the user's desktop as thought they had physical typed in their username and password? ...
Cerin's user avatar
  • 6,465
2 votes
0 answers
130 views

How to make a login screen display an auto-changing background?

Is there a way to make the login screen show an auto-changing background, as to be able to create an animation-like screen? I have used Ubuntu-tweak but that didn't help. Can I manually edit the ...
gzpu's user avatar
  • 29
2 votes
2 answers
3k views

How to use auto login in a remastered LiveCD?

I have been creating a custom live CD of Ubuntu 11.10 using remastersys, everything goes well except that the live session asks for a login. the login is automatically set as "custom" and the password ...
Jayo's user avatar
  • 1,241
2 votes
1 answer
159 views

If I don't log in right away on my 14.04 LTS system, the login hangs

My newly dual booting system is working great with this one annoyance scenario: I boot the system, but don't touch anything. The screen eventually goes dark. I touch a key and get the login screen. I ...
Organic Marble's user avatar
2 votes
3 answers
3k views

How disable programmatically notebook built-in keyboard before login screen

How can I disable a notebooks built-in keyboard - before the login screen. I have a non functioning built-in keyboard on my notebook. In it's current state it types characters randomly. I am using an ...
João Mosmann's user avatar
1 vote
0 answers
53 views

After entering the password and hitting enter the screen is blurred

Ubuntu boots normally and reaches the login screen. After entering the password and hitting enter, screen goes blurred. Is there any way to troubleshoot this problem?
Anonymizer's user avatar
1 vote
0 answers
586 views

ubuntu 22.04 gdm3 blank screen on boot

I'm running Ubuntu 22.04.3 LTS and can't get gdm or lightdm to work correctly on boot. When it comes up the screens are blank, but the process is running (see below). nvidia-smi returns correct ...
rcedd's user avatar
  • 11
1 vote
0 answers
711 views

How to change the resolution of the login window?

I've installed Ubuntu 22.04.3 gnome and My device resolution is 1600x900. But the login screen resolution seems like 1024x768. I've tried changing the resolution from the settings manger but the login ...
Basirun Nahar's user avatar
1 vote
0 answers
148 views

Screen flickering on login attempt

Yesterday I had an update, today when something weird is happening, when the machine boots it all seems fine but when I reach the login screen the screen glitches and flickers, it's completely ...
Armando Ayala's user avatar
1 vote
0 answers
167 views

Windows 11 dualboot ubuntu 22.04, casually crashing or back to login screen in linux

The problem is pretty much in the title, windows work perfectly, I deactivated the fast start beacuse I read can cause problems. I have windows in a ssd, ubuntu in a usb and shared hdd with windows. ...
Alan Peyer's user avatar
1 vote
0 answers
73 views

Login screen disappears after a few seconds

I'm on Ubuntu Studio 22.04.2 LTS (5.15.0-76 low latency 64) When I boot up and get to the login screen, I have a few seconds to type the password ans enter before I get an empty black screen with a ...
Hlpme's user avatar
  • 21
1 vote
0 answers
28 views

How to customize the login avatar? I want to remove the circle that is automatically put around my picture

The default avatar looked really nice as a transparent ping outline of a person. It had no circle around it so I wanted to put a zergling as my avatar as transparent .png. Unfortunately it ...
ubudoge's user avatar
  • 31
1 vote
2 answers
3k views

how to resolve D-Bus system message bus

after an update i restarted my system after the restart i got stuck at the loading screen after pressing the F2 it says Failed to start System Logging service. Failed to start D-Bus system Message Bus....
Aineasg's user avatar
  • 11
1 vote
1 answer
53 views

super + space not working in login page

on the login page, changing the keyboard language is not possible with super + space shortcut. by pressing super + space it shows changing language popup but does not affect keyboard language. also in ...
mohammad aghaie's user avatar
1 vote
0 answers
124 views

Unable to login, blank screen does not revive, after upgrade to 22.04

Yesterday I attempted an OS upgrade from Ubuntu Linux 20.04 LTS to 22.04 LTS. The machine being upgraded was a new Lenovo Thinkpad X1 Carbon Gen 10. Following the upgrade I have two severe problems ...
James E Keenan's user avatar
1 vote
0 answers
112 views

Ubuntu 22.04.1 LTS. Login issue after suspend / inactivity

Sometimes i can't login after screen lock due to inactivity or suspend. I type in password, it processes 5 seconds and then clears out the password. Trying several times doesn't work. Only after ...
timaimash's user avatar
1 vote
0 answers
149 views

22.04 black login screen on Early 2008 iMac

for some days now I only get a black screen after booting. Detailed error description: During the boot, the display resolution seems to be messed up and everything is displayed in a distorted manner. ...
L3br4nd's user avatar
  • 11
1 vote
0 answers
1k views

white screen on login pages after 22.04 update

I am experiencing an issue after update to 22.04 (UbuntuStudio with KDE Plasma): login (and lock) page are white, only the logo and text space are visible. Everything is working fine, so not really a ...
Riccardo D. Wanke's user avatar
1 vote
0 answers
116 views

Alt-F4 not shutting down pc anymore on Xubuntu 20.04.2.0

Since a few weeks Alt-F4 is not shutting down my pc anymore on Xubuntu 20.04.2.0. I get the login screen and from there I can shutdown the pc, but it asks if I am sure because there might be other ...
mevrouwtje's user avatar
1 vote
0 answers
721 views

22.04 upgrade from 20.04 - stuck after login; lightdm problem?

Yesterday I upgraded my Ubuntu 20.04 Pixelbook (full Ubuntu, no Chrome nonsense) to 22.04. However, the system now gets stuck immediately after login. After I successfully log in, the login prompt ...
Kreuzfeld's user avatar
1 vote
0 answers
125 views

SDDM freezes when trying to switch user after upgrade from focal to jammy

After kubuntu upgrade from focal to jammy when trying to switch user SDDM displays switch user screen but do not respond to keyboard or mouse, so it is impossible to switch. Before upgrade everything ...
vvch's user avatar
  • 11
1 vote
0 answers
158 views

Switching monitor of gdm3 from TV to PC monitor (Ubuntu 22.04)

I can't switch my login screen from my tv to the pc monitor. It's also not possible to change plug order as one is Display Port and the TV is HDMI. So, is there any way I can change the monitor on ...
Uwe Pfeifer's user avatar
1 vote
0 answers
186 views

No user shows up in login screen

When I get to the login screen, it appears as normal, except no user is selectable and the ubuntu logo on the bottom of the screen is missing as well. When I restart the machine several times, my user ...
HBnet's user avatar
  • 71
1 vote
0 answers
2k views

ubuntu keeps loging me out randomly

I have been having this problem recently: Ubuntu keeps loging me out randomly even when I am actively moving the mouse and pressing keys. The screen goes blank and there is this cursor thing at the ...
floatingCatsAndDogs's user avatar
1 vote
0 answers
281 views

How to change lock screen and login screen theme to any other theme

I need help changing the login screen theme as well as the lock screen theme to Orchis. I tried: How to customize Lock Screen theme in Ubuntu 20.04 Change Ubuntu 20.04 login theme How do I change ...
Normal Dude's user avatar
1 vote
0 answers
472 views

How do I troubleshoot desktop crashes on 21.04?

I am bumping into desktop crashes (called login loop by many) on Ubuntu 21.04. This started happening after an interrupted sudo apt install... session which had run 70 (very low bandwidth) hours ...
TheGeeko61's user avatar
1 vote
0 answers
192 views

Black screen on login GUI after changing username

I have installed Ubuntu 20.04.1 in a virtual machine. I only have one user and after some days of use I decided to change the user name. I changed the user name successfully, but after logging in with ...
Freddy Daniel's user avatar
1 vote
0 answers
519 views

How can I make my log-in screen appear on my external monitor only?

My setup currently consists of a laptop hooked up to an external monitor, and I would like for my log-in screen to display only on my external monitor when I boot up the computer as it would be faster ...
Benjamin Lachapelle's user avatar
1 vote
0 answers
403 views

When I switch to xfce4 desktop, my login credentials don't work until I switch back

Installed the xfce4 desktop environment, logged out, did the desktop environment switch, now I can't login. How do I get xfce to recognize my login?
BassSounder's user avatar
1 vote
0 answers
450 views

Fingerprint Login USB reader

I recently received a BENSS usb fingerprint reader and I would like to use it with my ubuntu 20.10 lsusb returns the following : On fprintd-enroll I receive No device available : Result for sudo ...
Chwal's user avatar
  • 31
1 vote
0 answers
365 views

Can't login after suspend

I can't login to my account after GNOME suspend. I'm typing password correct, but it shows "Incorrect password". I must click Power Off the computer. I'm using Ubuntu 20.10. Did anyone ...
Robert's user avatar
  • 67
1 vote
0 answers
133 views

Slick-greeter wont stay persistent in Xubuntu

I'm running Xubuntu 20.04 and I've installed slick-greeter, I've also run sudo apt-get autoremove lightdm-gtk-greeter and yet when my computer wakes up from a sleep it still goes back to the lightdm-...
StratusFearMe21's user avatar
1 vote
0 answers
585 views

ubuntu 20.04 missing /usr/sbin/gdm3 and /lib/systemd/system/gdm.service

This is a followup to my earlier posting on this site. I have two different Dell machines running 20.04. Both worked fine, and then, for no apparent reason, when I rebooted, I could not get to ...
Leo Simon's user avatar
  • 1,529
1 vote
1 answer
2k views

Onscreen keyboard (Onboard) doesn't work on login screen and makes desktop unusable after login

I'm obliged to use the onscreen keyboard (i.e Onboard). I decided to update my PCs to Ubuntu 20.04 LTS. However, I'm facing problems with the on-screen keyboard with all of them It's impossible to ...
bob's user avatar
  • 11
1 vote
0 answers
95 views

Login screen customize align inputs ubuntu 20.04

Is there any css file where I can customize login screen? I want to align user and password input to the left of the screen, how to do it?
soonic's user avatar
  • 143
1 vote
0 answers
150 views

While screen while waking up

I'm using - Discription : Ubuntu 20.04.1 LTS Release : 20.04 5.0.4-48-generic There is a problem, my pc sleeps out after sometime and when i try to waking it up, it shows white screen only. Nothing ...
Deepak Prajapati's user avatar
1 vote
1 answer
327 views

Using LightGM-webkit-greeter and get dark screen

OS: Ubuntu 18.04 I want to change login screen, so I do the following: sudo apt-get install lightdm-webkit-greeter nano /etc/lightdm/lightdm.conf /* [SeatDefaults] greeter-session=lightdm-webkit-...
ChufanSuki's user avatar
1 vote
0 answers
459 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
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
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
1 vote
0 answers
521 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
60 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
0 answers
888 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
1 vote
1 answer
104 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
1 vote
1 answer
288 views

No video/display in logon screen after user logoff (4k display, nvidia)

When I logoff the user and expecting to see the logon screen (unity-greeter), my monitor looses the signal and stays black (repeatedly trying someting, but failing). I can get a terminal with Ctrl+Alt+...
Janos's user avatar
  • 457
1 vote
0 answers
105 views

Touchpad not working in login screen

I have an Asus x507 laptop. I'm using Ubuntu 18.04 everything working fine; but, the touchpad is not working on the login screen. I have changed default Ubuntu dwm to Cinnamon's login screen that I'm ...
5p4r70n's user avatar
  • 21
1 vote
0 answers
855 views

Ubuntu 18.04 Graphics Card unclaimed, Broken after update

I updated Ubuntu 18.04 through the software update screen and it is broken after update. Both graphics card (Intel integrated and nvidia) now shows unclaimed. I was able to fix nvidia card by ...
Manjeet Rulhania's user avatar
1 vote
0 answers
413 views

Ubuntu 18.04 lightdm does not work properly

I do not like gdm on Ubuntu 18.04 so I have replaced it with good old lightdm and unity-greeter with the following command: sudo apt install lightdm unity-greeter I've also selected lightdm in ...
danielleontiev's user avatar
1 vote
0 answers
200 views

Screen blinking while unlocking the system Dell Vostro 3568

I have a Dell Vostro 15 3568 with Ubuntu 18.04.3 which starts blinking after the system gets locked and I want to unlock it again. I just completed the fresh installation. Sometimes, the blinking ...
Vivek Sharma's user avatar
1 vote
0 answers
61 views

Login Screen Keyboard Layout says German, but is actually English

On an Ubuntu 16.04 server, the login screen says the keyboard layout is set to German: However, when typing my password, I can clearly see this to be false. It appears to actually use English kbd ...
oarfish's user avatar
  • 93

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