Questions tagged [login-screen]
Questions about the login screen, specifically customizing/troubleshooting it.
532
questions with no upvoted or accepted answers
17
votes
4
answers
6k
views
Ubuntu 15.10 randomly crashing back to login screen
fresh install of Ubuntu 15.10 here.
Everything works fine, but I'm getting random crashes back to the login screen.
I pasted my syslog here: http://paste.ubuntu.com/12989589/
Edit: Confirmed bug on ...
- 170
6
votes
2
answers
13k
views
Ubuntu 16.04 flickering and disappearing screen
Running Skylake/Nvidia GTX 950 on a clean install. I'm no expert at all and I haven't got a clue what to do. I've tried various things but nothing works and the guides are often not clear enough for ...
- 649
5
votes
1
answer
3k
views
Ubuntu slow to wake up from sleep
So, I recently installed Ubuntu 18.04 LTS on my 2014 Macbook Air 13inch (no dual boot). When I close the lid, the apple logo is still lit and the screen stays on. Because of this I usually press ...
- 59
4
votes
1
answer
855
views
Caps lock indicator for Ubuntu 18.04 lock screen and login screen?
My laptop does not have a led or anything to show whether the caps lock is on or not, and while Kubuntu warns you on the lockscreen about whether your caps lock is on or not, Ubuntu seems to lack it. ...
- 113
4
votes
1
answer
5k
views
How to remove GNOME and GNOME on Xorg which shows up on login screen?
Newbie here. On my Ubuntu 18.04 LTS gdm login screen, clicking the cog wheel below the password field shows the following options.
Cinnamon
Cinnamon (Software Rendering)
GNOME
GNOME on Xorg
Ubuntu
...
- 626
4
votes
1
answer
597
views
Getting rid of an unknown user
My login screen has started listing as an alternate user a word which I have used in the past as a password for certain applications.
However, when I try to delete it I am told it does not exist, and ...
- 61
4
votes
0
answers
3k
views
How do you change keyboard layouts from the login screen in Xubuntu?
I've set up multiple user accounts in Xubuntu 14.04. I (the admin) am a dvorak user so I have English US dvorak as the default layout, but the other user is a qwerty user. I've added English US ...
- 41
4
votes
2
answers
2k
views
"dm-tool lock" doesn't lock my session
When I use dm-tool to lock the screen for userA, I can log in as userB and then use dm-tool to switch back to userA's session without having to enter a password. Is that the expected behavior? If ...
- 91
3
votes
0
answers
203
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 ...
- 91
3
votes
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 ...
3
votes
0
answers
2k
views
Anne Pro 2 usb keyboard not working at login screen Ubuntu 20.04
I recently bought an Anne Pro 2 keyboard. The keyboard works straight away when plugged. But after a startup or reboot the USB device disappears. lsusb does not list the keyboard until I unplug en re-...
- 61
3
votes
2
answers
2k
views
KDE login screen keyboard layout
I use KDE with two keyboard layouts in it (EN and RU). My system password always has only english letters and digits. I never use differen from English languages in my passwords.
I also have global ...
- 436
3
votes
0
answers
39
views
[ubuntu 18.04 a briefly showed screen right after log-in
I've recently installed Ubuntu 18.04 LTS on my laptop and managed to customize themes for various components.
Not saying it's bad but there are so many purple screens coming up all along the booting ...
3
votes
1
answer
953
views
18.04 Switch users stops working after a while
After a reboot, I am generally able to switch users, and this works for a while. However, after some time the switch user option returns me to the password dialogue for the current user, and clicking ...
- 649
3
votes
0
answers
811
views
Login loop on 18.10 after attempting to change login screen color
I have my Ubuntu 18.10 just installed on my SSD and somehow I broke the desktop.
I was trying to change the login screen color following this forum: How can I change the purple background color of ...
- 43
3
votes
1
answer
598
views
Automatically suspend 18.04.1 at idle login screen
This PC is often left in a logged out state at the login screen. I have set power options to automatically suspend on idle, and these do work if a user is logged in.
They do not work if the computer ...
- 31
3
votes
0
answers
2k
views
Why does Ubuntu 18.04 LTS load default wallpapers before user set wallpaper?
I'm running 18.04 LTS, and I've changed both my desktop wallpaper and the login screen wallpaper to a custom image. However, when I boot my computer, The login screen will load and display the default ...
- 113
3
votes
1
answer
2k
views
Purple flash when logging in
I am using the same background image for both my GDM background and my gnome wallpaper. However, when I log in, I see a purple splash. I have no clue where this splash comes from.
Video
Where does ...
- 541
3
votes
1
answer
424
views
2 different login screens ubuntu 18.04
Recently I upgraded from Ubuntu 17.10 to Ubuntu 18.04,
since then, when I login after reboot I get the default ubuntu login screen, and when I login after lock/sleep I get gnome login screen (Small ...
- 781
3
votes
1
answer
905
views
Can't get past login screen after 14.04 kernel update
After I updated my kernel I restarted my computer (as it always requests) and now I can't log in (I can't get past the login screen). The resolution of the screen at login has also changed, leaving me ...
- 43
3
votes
0
answers
761
views
Why does the lock screen adds a white dot grid over the background image?
I'm already aware of how to remove the dots from the login screen per these questions:
Unity greeter login screen has a garbled white dot grid?
How do I remove the dots from the lockscreen in Ubuntu ...
- 131
3
votes
0
answers
207
views
Why is login screen different after waking from suspend?
I'm on Ubuntu 17.04. My login screen suddenly looks different now.
Excuse the smudges. The laptop is worn out.
As you can see, it now has an on-screen keyboard and a white window prompt for the ...
- 79
3
votes
3
answers
1k
views
No login screen after uninstalling lightdm
I did
sudo apt-get remove lightdm
After logging out I no longer get the login screen. Just a blank screen with a blinking cursor top left. Rebooting results in the same.
I'd like to restore to the ...
- 131
3
votes
0
answers
149
views
How to make the Ubuntu login screen "controls" bigger?
I am using Ubuntu 16.10 on a laptop carrying out a HDPI screen and I managed to have a decent experience until now (Large Text enabled in the universal access, and the Scale for menu and title bars ...
- 489
3
votes
1
answer
2k
views
can't login in lightdm (16.10) with xdmcp
Using Xming from a Windows I can get the lighdm login screen. After introducing the right password, the Xserver window goes grid gray and then the login screen is shown again. Any clue? (thanks in ...
- 191
3
votes
0
answers
1k
views
Wrong resolution of login screen
I have a problem with login screen.
1) After boot-up the login screen appears with correct resolution (i.e. my default 3200x1800). However, after a fraction of second it changes to some ~1600x1200. ...
- 241
3
votes
0
answers
495
views
Installed GNOME 3 ppa on Ubuntu 16.04 now cannot log-in to Ubuntu 16.04 anymore
I am running (or was) Ubuntu 16.04 and wanted to try out GNOME. I think I might have messed things up here by adding the GNOME 3 ppa. What I intended to do was get it so that when I restart, I would ...
- 181
3
votes
0
answers
634
views
After login Desktop not showing 16.04
I am using Ubuntu 16.04 and I have installed Kali linux tools on top of that using Katoolin, after restarting I can enter the password but desktop showing blank no icons. I used below command but it ...
- 31
3
votes
0
answers
953
views
sddm login window on two screens with different resolution
I have two monitors with different resolutions (1920x1200 and 1680x1050).
When I turn on the computer, on the smaller screen I see a correct login window, but on the larger screen I see a 1920x1200 ...
- 261
3
votes
0
answers
184
views
How do I disable GDM?
The new Ubuntu features a completely unkillable GDM. Is there a way to disable it?
It is not enabled in services , the GDM startup script is deleted, it is removed from update.rc but it still starts ...
- 31
3
votes
0
answers
366
views
15.10 Unity stuck after login, even as guest, background image permission denied despite 644
Yesterday I ran the last Ubuntu security updates, and now my desktop does not open anymore. Only the purple login wallpaper is visible (my user wallpaper is different and does not appear) and I can ...
- 11.7k
3
votes
0
answers
79
views
Log in immediately following successful fingerprint scan, rather than having to hit button
is it possible to login immediately upon a valid scan rather than hitting the login button first? (similar to how Windows works in this regard)
Using ubuntu 15.10
- 121
3
votes
0
answers
663
views
Changing default resolution system-wide in Ubuntu 15.10
Ubuntu 15.10 uses the native resolution of the screen by default. The native resolution on my laptop (3200*1800) is too big for the size of the screen (13"), leading to a very high pixel density, it ...
- 276
3
votes
0
answers
139
views
Udev rules for USB mounting and Low Graphics Mode error
I have a file containing the content bellow
KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end"
# Import FS infos
IMPORT{program}="/sbin/blkid -o udev -p %N"
# Get a label if present, ...
- 171
3
votes
0
answers
54
views
Cannot login after routine update
I went through a regular daily update a couple of weeks ago, and since then I have been unable to log in to my ubuntu account or the guest account. I have tried the solutions suggested in these ...
- 131
3
votes
1
answer
99
views
What file specifies the desktop environment for a user?
I'm having problems with Unity on a slow laptop, but it's configured to autologin so I never see the login screen. Also, the screen or display driver is messed up so I don't see the far right part of ...
- 10.5k
3
votes
0
answers
374
views
unity-greeter login background won't change according to the user that is highlighted
I use Ubuntu 12.04.
Recently, I change to use another Accounts Service which could remove certain users from the graphic login screen of unity-greeter. I downloaded source code from a branch of
...
- 31
3
votes
0
answers
273
views
After Upgrade from 13.04 to 13.10 missing user in login screen
I have upgraded to 13.10 from 13.04 now after booting (even after updates and rebooting) my user id is not listed. It has a uid higher than the minimum in lightdm.conf. I have the user light display ...
- 31
3
votes
1
answer
2k
views
Why my X Server won't start as a regular user and it starts as Guest?
It won't start X server automatically as a regular user but instead shows Logon screen. When I enter my password it flashes for a second and it's back to Logon screen again.
Then I tried to log in as ...
- 31
3
votes
0
answers
615
views
How to get 12.04's login screen (lightdm) to display the shutdown menu like 10.04 when the computer's physical power button is pressed?
In Ubuntu 10.04 while at the login screen (gdm), when the computer's physical power button was pressed a screen popped up that offered options on shutting down the system (shutdown, restart, cancel, .....
- 1,012
3
votes
1
answer
1k
views
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?
...
- 6,574
2
votes
0
answers
1k
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 ...
2
votes
0
answers
1k
views
Purple screen after upgrading to Ubuntu 21.10
Couldn't log in because the gdm3 login screen has no password field, see screenshot:
The unability to switch from current session to the TTY3 text console (Ctrl+Alt+F4 or F3 didn't work here) forced ...
- 21
2
votes
0
answers
142
views
Why does list of sessions types change when I switch user
When I log in with an user I have the following list
Gnome
Gnome classique
Ubuntu
But if I switch user, I have this list
Gnome
Gnome classique
Gnome on Wayland
Ubuntu
Ubuntu On Wayland
Whereas I ...
- 21
2
votes
0
answers
168
views
Erratic management of dual-display configuration on Ubuntu 20.04
I have two displays connected to my PC with Intel UHD Graphics 630 running Ubuntu 20.04.3. 40" display #2 on HDMI1 port is disabled in configuration, 20" display #1 on DVI-D is my main ...
- 895
2
votes
1
answer
41
views
Which packages contains the strings present on login screen?
I'm asking this because I contribute to translations on Launchpad and I need to test them.
I have translated respective strings for words like 'Password' and 'Not listed?' from the gnome-shell package ...
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 "...
- 673
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.
- 241
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 ...
- 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 ...
