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

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3
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0answers
1k views

Ubuntu 16.04 flickering and disappearing screen - tried everything!

Video https://youtu.be/W7hm5Iorw8s with the problem. 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 ...
3
votes
0answers
91 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 ...
3
votes
0answers
44 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
3
votes
0answers
364 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 ...
3
votes
0answers
42 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 ...
3
votes
0answers
409 views

How do I rotate the login screen?

So I am trying out the 14.04 and I keep both of my monitors in portrait mode. But the login splash is in landscape. But I can't seem to figure out how to rotate my login splash or where the config is ...
3
votes
0answers
249 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 ...
3
votes
0answers
452 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, ...
2
votes
0answers
65 views
+50

Enable [Fn]+[cursor arrows] on lock/login screen to change volume and brightness

Having a new Acer Aspire E17 E5-773G with Ubuntu 16.04 on it, I experience that the keyboard combinations to adjust volume (Fn + ↑/↓) and brightness (Fn + ←/→) do not work on the login screen or lock ...
2
votes
0answers
387 views

Flickering screen appears while starting lenovo G580 laptop with ubuntu 15.10

I have recently installed Ubuntu on a Lenovo G580 20157. During the installation an error message showed up and the screen flickered. But when I pressed the Esc key the flickering stopped and Ubuntu ...
2
votes
0answers
51 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, ...
2
votes
0answers
132 views

Unable to login from User account or Guest account (not a duplicate question)

I have Dell 3521 laptop without dedicated video card. It came with Ubuntu 12.04 installed. One fine day, it prompted me for an upgrade, which i went for. During upgrade, its battery finished and once ...
2
votes
0answers
50 views

System Logs out when unused for some time instead of going into lock screen

I have switched to XFCE4 some days back from Unity, but now i again switched to Unity. From that time onwards I am facing following problem. My system logs out automatically when unused for some ...
2
votes
0answers
142 views

Ubuntu will not accept new password even after recovery mode reset

After a recent 14.04 update my computer will not accept my log in password. I have done all the various steps through the recovery mode at boot up, changed my admin password & I still receive an ...
2
votes
0answers
266 views

Changes in /etc/lightdm.conf.d/*conf or /etc/lightdm.conf makes any difference

I am trying to make my lightdm use a correct setup of my displays both for login and session. I have most likely misunderstood something here, but by reading the wiki I did the following: I have ...
2
votes
0answers
52 views

No Desktop after suspened or logged out 14.04

Ubuntu 14.04 w Cinnamon When the system suspends or logs out sometimes(see time note below) the login menu does not reappear or sometimes the desktop and all features do not appear and are not ...
2
votes
0answers
304 views

Lubuntu 14.04.1 Login Screen Resolution is Not Perfect

I have recently done a fresh installation(not DUAL Boot) of Lubuntu 14.04.1 LTS i386 on my desktop. Now the problem is, my screen resolution is 1366x768, i.e. I am using a wide screen monitor and when ...
2
votes
0answers
239 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 ...
2
votes
0answers
107 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
2
votes
0answers
224 views

Missing Unity Desktop /w SLiM Login Manager

Not too long ago I installed SLiM (Simple Login Manager) as my Login Manager for Ubuntu 13.04 just to give it a try out to replace the default Ubuntu Login Manager. After getting SLiM successfully ...
2
votes
0answers
134 views

Gnome extensions don't work! I've tried everything!

When I go to https://extensions.gnome.org/, and try to install an extension, it clicks on, but nothing happens to my shell. Then, when I reload the page, the slider has turned off. Here are the things ...
2
votes
0answers
2k views

13.10 start up into low-graphics mode

I am running Ubuntu alongside Windows 8 on an Acer Aspire E1-571G. I was using Ubuntu 13.04 and today upgraded via the CLI to 13.10 Now Ubuntu doesn't take me to the log in screen to type in my ...
2
votes
0answers
2k views

Invisible mouse

When I boot Ubuntu I can see the mouse cursor at the login screen but once I put my password is see this error could not acquire name on session bus I tried to Google the error but all I find is stuff ...
2
votes
0answers
319 views

Installing Ubuntu TV

I have installed desktop and wanted to install Ubuntu TV. I followed the instructions, and rebooted to the login screen. I clicked unity 2D, but it just takes me back to my main login screen, where I ...
2
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0answers
131 views

How to change the login type in Ubuntu 13.04?

Whenever I change to Gnome Fallback, Ubuntu changes it right back to the default Ubuntu, any help? Oh, and this is on Ubuntu 13.04
2
votes
0answers
298 views

Login Wallpaper Spanning Dual Monitors in 12.04

Is there a way to make the background on the login screen span dual monitors rather than being mirrored? I know it's possible for the actual wallpaper when you're logged in but can't find an option ...
2
votes
0answers
1k views

Unable to change desktop environment in 12.10

I upgraded to 12.10 some days ago and now I'm unable to change between the environments. I currently have GNOME 3 (with extensions), KDE and, of course, Unity installed. The computer is a Lenovo G550. ...
2
votes
0answers
208 views

Starting minecraft logs me out of ubuntu 12.04

Whenever I start minecraft I can only get past the login screen. After that, the screen flashes dark, occasionally showing a Checking battery state ... [OK], and then it brings me to the login ...
2
votes
0answers
3k views

Stopping system V runlevel compatibility - Stuck on logon screen

My wireless stopped working suddenly and I tried to reinstall the driver. I think that I installed the wrong one and after rebooting I am stuck on Ubuntu login screen. When I try to login Ubuntu ...
2
votes
0answers
100 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 ...
2
votes
0answers
1k views

Login screen restarts while entering password

I am having a problem that only occurred after installing the fglrx proprietary driver through the additional drivers app. The exact same issue is described in this question, however it's closed. ...
1
vote
0answers
16 views

Login cause loop with error

I'm using Ubuntu 14.04 with Oracle VM on a laptop : GS60 6QE. Use to have graphic problem with Ubuntu, but at least I can work. Suddenly I can't login normally. I'm on it for hours now ... If ...
1
vote
0answers
16 views

14.04 hangs after login, no desktop

Mouse is still responsive, guest account can login and I can still login to my account through tty1. I've tried reinstalling ubuntu-desktop but it didn't change anything. I'm not sure what other ...
1
vote
0answers
91 views

After login Desktop not showing 16.04

I am using ubuntu 16.04 and I have installed kali linux on top of that using katoolin, after restarting I can enter the password but desktop showing blank no icons. I used below command no use. Please ...
1
vote
0answers
46 views

Ubuntu Touch - Login screen

Is there a way that I can set up my Ubuntu Touch Tablet login screen to rotate when the rotational lock is not on? When I have my tablet on its rest the login screen is upside down. So I enter my ...
1
vote
0answers
26 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 ...
1
vote
0answers
22 views

Add different languages to Ubuntu log in screen?

So I am after installing Ubuntu, and it is after booting up for the first time. Here is the problem, it only has my native (Lithuanian) keyboard input available. But my password has special characters ...
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vote
0answers
37 views

Ubuntu 14.04 / VMware - initial screen size

When VMware Workstation starts my Ubuntu 14.04 image, there are 3 screens that it goes through. There is a) the terminal mode (runlevel 3) where the system boots. There is b) the initial login ...
1
vote
0answers
36 views

Immediately returns to login screen after logging in

So I just had a software update on ubuntu 14.04 and now when I try to login, it just sits there for a few seconds then returns to the login screen. I've tried restarting and doing a few things I found ...
1
vote
0answers
34 views

Guest login support in lightdm webkit greeter

I'm having trouble getting the guest login option to work in the Webkit LightDM greeter, which is a shame as it's otherwise a superb tool for developing custom greeters. Looking through the source on ...
1
vote
0answers
30 views

CLI login issue

A failed graphic card update has led me to this. I can login to either of the local system user accounts shown on the GUI screen but when this is done, the screen flashes black and then I am returned ...
1
vote
0answers
51 views

Lubuntu 14.04 black screen after decryption

I have several times installed and uninstalled VirtualBox, because Windows would not start. VirtualBox has been updated yesterday with the updates. Then I wanted to maintain the system and have ...
1
vote
0answers
93 views

Ubuntu 14.04 Crashes Back to LogIn Window

Just recently crashes started and it simply gets me back to the login window. During the crash, it briefly outlines the message "Starting LightDM Display Manager" and goes to the login window. Once I ...
1
vote
0answers
141 views

Hide TTY1 login when using no “quiet splash” as GRUB_CMDLINE_LINUX_DEFAULT

I want to see the boot messages when starting Ubuntu, so I edited /etc/default/grub and removed the `quiet splash setting: GRUB_CMDLINE_LINUX_DEFAULT="" But now after those messages and before ...
1
vote
0answers
23 views

Challenge-response local user login

Is it possible in Ubuntu, or in any Debian based distro, to use Digital Signatures with a Challenge-response setting for local user login(I don't mean ssh), instead of a password ? Storing the key on ...
1
vote
0answers
43 views

Webkit-greeter only changes after a restart, not when logging out or locking computer

On Ubuntu 14.04, I installed the lightdm-webkit-greeter using sudo apt-get install lightdm-webkit-greeter then, I did the following to get the greeter I wanted: cd /usr/share/lightdm-webkit/themes/ ...
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vote
0answers
170 views

Log in with password not working(Lubuntu-15.04)

I have enabled the Password:asked on login from the users and groups available in the system tools. But however it's not working for me. When I login to lubuntu it automatically goes to the session ...
1
vote
0answers
201 views

Can't login into Ubuntu VM

I've installed Ubuntu 14.04 32 bits into VirtualBox on a Windows 8.1 32 bits, but when I try to login, it just sits there for a while thinking, a black screen pops and it goes back to the users, it ...
1
vote
0answers
35 views

Cant login after installation

I have installed Ubuntu 15.04 but then i try to login using my password the screen goes black and some text is shown realy fast in the upper left corner then I am back at the login. Why cant I login?
1
vote
0answers
51 views

Ubuntu wont load after installing SLiM

A few moments ago I decided to give the SLiM display manager a go, and I installed it with apt, then I restarted my PC and it got stuck at the loading page with the ubuntu logo and the six loading ...