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

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1answer
63 views

How do you remove a stubborn Lubuntu-desktop environment after changing ubuntu's default login screen? [closed]

I installed Ubuntu 10.4 Lucid (using WUBI) on an old Dell I use mostly for emails. I then installed Lubuntu-desktop environment but now I want to remove it. When I run the command sudo apt-get ...
0
votes
0answers
36 views

Ubuntu - Left the screen locked whole night and it doesn't turning on now

I've been using Ubuntu 12.04 LTS. Usually I'll close the lid and screen will get locked and after a button click, screen will turn on and it will prompt for the login password. But today, the screen ...
3
votes
0answers
289 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 ...
0
votes
0answers
29 views

After update WiFi is not working, screen is flickering

I updated my Ubuntu 14.04 last night and after that nothing was working. I can't login to my user but guess session was working fine. I got around that by looking at some posts from askUbuntu. But ...
0
votes
0answers
22 views

Login screen doesn't hold

My login screen appears for 2 seconds only, falling back to a black screen with the booting "verbose" text. I can still log in by simply typing my password and pressing enter. This issue only ...
0
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0answers
82 views

Login loop still occurs after reinstalling Ubuntu 14.04 as virtual machine

Yesterday, I met the login loop. And after some research, I chose to reinstall the Ubuntu because I'm totally new to Linux. However, today I have the same problem again. According to other answers, I ...
0
votes
0answers
98 views

Keyboard/Mouse not working at log in screen Ubuntu 14.04

I'm using Ubuntu 14.04 & occasionally have issues where I get to the log in screen but I'm unable to log in because my keyboard & mouse doesn't work. I have to reset the computer manually ...
1
vote
0answers
80 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 ...
0
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0answers
30 views

ONLY homescreen appears when login at ubuntu 14.04… But guest account work fine?

My problem Is that when I login to my ubuntu 14.04 account the homescreen shows with mouse pointer and nothing else is loading till computer sleeps ! :( I tried to bring the terminal with shortcut ...
0
votes
1answer
77 views

Now that `/usr/share/backgrounds/warty-final-ubuntu.png` has changed, where is the solid purple background screen file stored?

Now that /usr/share/backgrounds/warty-final-ubuntu.png has changed, where is the solid purple background screen file stored? /usr/share/backgrounds/warty-final-ubuntu.png is the default background, ...
0
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0answers
77 views

System hang up when login-screen is about to be displayed

On my Ubuntu 14.04 x64/Win 8 dual boot system (traditional via grub), Ubuntu won't run any more... The boot process seems correct, but when the login screen is about to display (Ubuntu logo shown with ...
0
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0answers
27 views

Just installed but can't login [duplicate]

I have just installed ubuntu 14.04 LTS and I come to the login screen. I type the password and it seems like it login - but then i just go back to the login screen again. I have also tried to login ...
0
votes
0answers
36 views

Impossible to GUI-login after NetworkManager removal (Linux)

Config: Ubuntu 14.04.3 LTS (same problem on Mint 17.2) I removed network-manager (via apt-get ... remove). I rebooted. Now I cannot login anymore, each time I enter password, the screen turns ...
0
votes
0answers
320 views

Ubuntu 14.04 login loop VIRTUAL MACHINE on Windows 8.1 Virtual Box ATI RADEON GRAPHICS

Laptop HP WINDOWS PRE INSTALLED ATI RADEON Graphics On Windows 8.1 I installed VIRTUALBOX and Installed Ubuntu. Now when i start my virtual machine i get into this login screen Loop. Before the ...
0
votes
2answers
68 views

Impossible to log in after changing $PATH

I'm using Ubuntu 14.04. While updating TeXLive I changed the PATH in an obviously wrong way. Now I can't log in: when I enter the correct password it comes back to the log in page. I connected on ...
0
votes
0answers
46 views

Gray background at login

The background of my login screen is always gray. I installed gdm as my login manager after seeing my wife's login screen. The gdm login screen is cool-looking IMHO so I asked ASKUBUNTU how to get ...
1
vote
0answers
17 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 ...
0
votes
1answer
102 views

How to reinstall Ubuntu 14.04's default login screen [duplicate]

I was playing around with the different Window Managers and I ended up uninstalling the default login screen (I think) How can I reinstall that without reinstalling the whole distro?
2
votes
1answer
66 views

Can't log in in Ubuntu 14.04 after install realtek drivers

Environment Ubuntu 14.04 Kernel 3.16.0-46-generic I had a problem with wifi network and I try to install drivers from github rtlwifi_new and then I had a huger problem, because now I can not log ...
1
vote
3answers
131 views

ubuntu will not let me set login page background

I want to change the background image of my Ubuntu (14.04) login screen, but Ubuntu doesn't display the changes. I tried changing the background in dconf-editor which resulted in there being no ...
0
votes
0answers
50 views

I start off in TTY7, but end up in TTY2, how come?

When I start my machine, I first see that I am in TTY1, and then the mouse appears and I am in TTY7. It's a little odd, but doesn't bother me too much. However, and I think that this only happens ...
0
votes
0answers
71 views

I can't access my login screen. After the splash screen, my screen turns white

After my splash screen, the display shows 'starting version 219' and my entire screen goes white and no login screen appears. I'm able to access tty. When I tried to start lightdm from there I got: ...
0
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0answers
85 views

Login screen password incorrect

Since the last ubuntu update I cannot login anymore, each time I have a "password incorrect". I open a terminal and updated my password with passwd user, the password works fine in a shell, but still ...
0
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0answers
220 views

Nvidia driver causing login loop

I have a Lenovo y50 with an integrated GPU as well as an Nvidia 860m. Lspci says that I am using the integrated card but it uses the Nvidia for 3D. Looking at other threads I have tried to install ...
0
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0answers
32 views

How to translate missing parts of danish language in kubuntu

fellow ubuntu users. I will start by saying that i love KDE, especially the new 5.3 - looks & works amazing! But there are many untranslated words, that shows up in English - and that irritates ...
1
vote
1answer
90 views

Ubuntu Screen rotation of 90° after successful login

As mentioned above, my screen loves to rotate 90 degrees after login. Standard Ubuntu installed. This input turns it normal again: felix@felix-LIFEBOOK-T4220:~$ xrandr --output LVDS1 --rotate normal ...
1
vote
1answer
68 views

Admin Account Missing after 'shutdown now' Exit

So, I have been learning PostgreSQL and messing around with creating DB's, users, and switching between both with Konsole. Last night, I shut down the computer with the command 'shutdown now'. After a ...
1
vote
0answers
38 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/ ...
0
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0answers
27 views

No dash, login loop [duplicate]

I am running Ubuntu 15.04. I get to the login page, type in my password (Unity is visible at this point), I then go to a blank page with my wallpaper and my cursor. After about 5-10 seconds the screen ...
1
vote
0answers
131 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 ...
0
votes
0answers
161 views

Cinnamon on Ubuntu 14.04 - black screen after logging

I use Cinnamon with Ubuntu more than a year, but yesterday new error came: A few seconds after I started Ubuntu and logged in my profile with Cinnamon, it loads just a black screen, and then a logon ...
0
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0answers
29 views

Timekpr preventing shutdown

Recently Timekpr, a parental time restriction program has been installed on my computer. While i can shutdown while logged in, when i try to shutdown from the login screen after being kicked out, ...
0
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0answers
240 views

Ubuntu freezes, CPU soft lockup, intermittent screen artifacting

I am relatively new to Ubuntu and I am having a few issues, regarding the software or my computer I don't know. A little bit of background - I am dual booting windows 8.1 and Ubuntu 14.04.2 and I ...
0
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0answers
81 views

Login Loop Revisited Ubuntu 14.04

Ubuntu 14.04 I7 Toshiba Qosmio I know many of you have already answered people's questions about the login loop, but I am still stuck in this mode: When I try to login with my username and password ...
0
votes
1answer
382 views

Cannot login into Ubuntu 14.04.2 LTS Username tty1 screen

Got an error about missing /tmp. I choose the option to fix the problems. That did not work and now everytime I boot, it takes me to Ubuntu 14.04.2 LTS [username]-ThinkPad-T440s tty1 ...
0
votes
1answer
152 views

Ubuntu 14.04 log in fails and returns to log in screen, and runs in a very low resolution

After installing a recent update (Can't tell you any details since I can't access anything), I can no longer log in on Ubuntu 14.04. I just get booted back to the login screen after a second or two ...
1
vote
1answer
298 views

Ubuntu 14.04.2 login screen loop back

I have a login screen loop back problem, when I punch my password I get back to the login screen again. I have tried to login with LightDM CI screen by Ctrl+Alt+F3 but there when i put in the username ...
0
votes
0answers
39 views

Change log-in screen

I wanna change my log-in screen to something that I can personalise to my own liking. I'm on Ubuntu 15.04 Vivid Velvet recently updated from 14.04. Before 14.04 I ran linux mint on my laptop and in ...
2
votes
0answers
44 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, ...
0
votes
1answer
97 views

All flavor of Ubuntu 15.04 goes to sleep on login screen?

After boot and the login screen is showing up, my laptop immediately goes into sleep even when I'm typing my password. I have used Ubuntu since 2010 on this machine, this is the first version that ...
0
votes
0answers
32 views

Login screen does not fill monitor

For some reason, my login screen does not fill up my entire monitor. After I enter my password, the screen goes all glitchy and weird for a few seconds, then it logs me in and everything is normal. ...
0
votes
1answer
21 views

Are there still issues with re-logging after desktop lock in Ubuntu 15.04?

Following my previous question in the subject and since no solution has been found: I was wondering if there are any users of Ubuntu 15.04 which are experiencing this issue?
0
votes
1answer
26 views

14.04 USBs powered off at login screen

I'm using Ubuntu 14.04 LTS with a Dell normal desktop PC. I've been suffering this issue from the very beggining. Randomly, the USBs ports seem disconnected/powered off at the login screen, before ...
0
votes
3answers
282 views

My linux won't let me get in as user or even as a guest in login screen

I opened my computer and it was good and all , but then when my desktop was supposed to appear , there was some kind of log in window that has 2 options, to log in as my user name or as a guest. The ...
0
votes
1answer
164 views

Another password prompt when waking from suspend

After upgrade to ubuntu 15.04, I have to enter password for twice to unlock my system when it wakes up from suspend. The first password prompt looks weird, I've never seen it before and have no idea ...
0
votes
0answers
491 views

infinite loop at login screen on Ubuntu 14.04.2

My laptop always opens without requiring password, but login screen came out when i was trying to open my laptop. My password was 100% sure true, but i could not login, first black screen appeared and ...
1
vote
2answers
394 views

Ubuntu not accepting correct password

Sir, I am entering the correct password in Ubuntu, but the screen just blinks and again shows me the same login screen. Guest session works properly. What should I do?
0
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1answer
242 views

How can I change the date format in the Lubuntu login screen?

I'd like to set a different format for the long date string I get at the top of the login screen in Lubuntu (15.04). How do I do that?
0
votes
1answer
141 views

Cannot login from lock screen

On a new 14.04 setup I am having an issue where I cannot login from the lock screen. When my screen locks, the only way I can login is by selecting to login as a different user, which takes me back ...
1
vote
1answer
309 views

How can we set custom image as background for desktop and login screen [duplicate]

If we select default wallpapers in Ubuntu as desktop background image it will automatically set the same image as login screen. But if we use a custom image as a wallpaper it will only change the ...