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

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19 views

“Authentication is required to update SMART data from” in 16.04

I upgraded to 16.04 [Ubuntu Gnome]. I am using a Lenovo Y700 with a GTX960M. After suspend or closing the lid I ended locked outside the login after that message appeared. It happened twice today, I ...
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0answers
22 views

Ubuntu stuck in 15.10 upgrade- unable to login in tty1

On way to upgradation from 14.10 to 15.10 , Ubuntu got stucked in a graphics less window. Then after restart can't login - showing login error in tty1. Tried several codes but login error. May be for ...
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0answers
11 views

Keyboard works in bios but not Lubuntu

Works in bios, but not 14.04.4 login screen. Any ideas why? No installing other OSs please (looks at my dad) and I have a spare keyboard to use. It is a small netbook.
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0answers
81 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 ...
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0answers
21 views

howto resize the ubuntu logo in the login screen 12.04

how can i resize the area reserved for the Ubuntu logo in the login screen. I managed to change the logo and replace it with mine, except that mine is a squared image file with much bigger dimensions ...
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1answer
42 views

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 ...
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0answers
25 views

access/login to user profile/folder in VM ubuntu 12.04 lts [duplicate]

When I click log in to login to my user profile, the screen turns black for a fews seconds you can see a few lines (trying to start and get kick out?) and then just returns to the log-in menu. It logs ...
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1answer
80 views

Ubuntu 16.04 - fsck running - prevent login

Is it normal that Ubuntu prevents me to login when it's running fsck? When I input my user and password it shows me this message: /dev/sda1: clean, 281922/7077888 files, 6496532/28293888 Then come ...
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0answers
21 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 ...
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0answers
13 views

can't login after livecd customisation

i followed the tutorial to do my own custom live cd with ubuntu 16.04. here: https://help.ubuntu.com/community/LiveCDCustomization everything goes fine but when i booted the genereated iso i was ...
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0answers
23 views

Unable to login after suspend in Ubuntu 14.04 Gnome LTS

After waking from the suspend or sleep mode, I am not able to login, the only way is to reboot or to use Ctrl + Alt + F1 to use sudo restart gdm, I am using Ubuntu 14.04 Gnome LTS 64 bit and the ...
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0answers
14 views

Other options to log in to ubuntu than password?

I am dual-booting Ubuntu with Windows 10. While I get the idea that not everything is the same, I would still like to know if I can use one Win10 feature on Ubuntu: It is "Other options to log in" ...
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1answer
74 views

Login Loop for Guest Account only on 16.04

I have some 40 Dell Latitude E6410s I maintain in my classroom for student use. I have successfully setup and used special 'guest' accounts so the directories are wiped between uses. This scheme ...
1
vote
2answers
208 views

I can't access to the login screen in Lubuntu 16.04 LTS (2)

Sorry for repeat the same thread but nobody answer me and I need a fix as soon as posible because I can't stay updating PCs going first to 15.10 and later to the LTS. Please help me! Thanks in ...
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0answers
33 views

Can not login .XAuthority seems broken

I know that this is a common error and I have read many threads in this regard. I get to the logon screen and type in my pw and it hangs for 20 seconds or so and then displays the log screen again. ...
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0answers
55 views

Ubuntu 14.04 login loop Unity terminated with status 1

I have ubuntu 14.04 and am stuck in a login loop problem despite trying the common answers to the multitude of questions on the site ,none have worked. I can't figure out what's wrong and would be ...
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0answers
18 views

At Login Ubuntu ask my LDAP password

At login screen ( Ubuntu 15.04 ) username password LDAP Password My problem is I dunno what is my LDAP password, I was try with all passwords I created and configured in Ubuntu, it comes nothing ...
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0answers
75 views

ubuntu 16.04 does not start after installing some packages

I had installed the ubuntu 14.04.4 some months ago and i tried to install the proprietary driver for nvidia and i had problems with black screen, and i could not revert to the previous driver. So, ...
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0answers
18 views

Ubuntu 14.04 LTS Dell Inspiron log in screen changing resolution apparently randomly

I have a new Dell Inspiron XPS, and frequently when I reboot the laptop, the login screen (apparently somewhat randomly) seems to be 4x4 of my original resolution, and the password field, all the ...
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0answers
23 views

Small onscreen keyboard on login screen

Login screen has small onscreen keyboard. After login, onscreen keyboard is right size. I've Ubuntu 16.04 server install, Elementary-desktop installed to it, but I had same problem with default ...
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0answers
45 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
1answer
173 views

I can't access to the login screen in Lubuntu 16.04 LTS

I have a Toshiba NB300 with 1 GB RAM with Intel® Atom™ processor N450 and I recently installed Lubuntu 16.04 LTS i386 and I have this message on the screen instead of the login box "/dev/sda6: clean, ...
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1answer
1k views

Can't log in Ubuntu 16.04 using Nvidia proprietary driver

I've recently upgraded from ubuntu 15.10 to 16.04. Here him my laptop details: Acer Inspire V nitro 17 Nvidia GeForce 860M RAM 6Gb As I was using nvidia driver on 15.10, after the upgrade I ...
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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 ...
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5answers
4k views

After Upgrade from 14.04 to 16.04 login screen runs in a loop while console login works

I am on a DELL Precision 5510 Ubuntu Edition with Ubuntu 14.04 as default installation. Today I upgraded from 14.04. to 16.04 as shown here ...
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36 views

how to set last desktop environment as default

my friend chmod to all directory in my PC. so all directory permission change after that incident, when login (input user & password) i must select again last session entry thank you
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28 views

Ubuntu 15.10 installation crash now asking for login

I tried upgrading to Ubuntu 15.10. The installation crashed. A Black screen appeared and then nothing happened. I turned off My laptop and tried to reboot. Then a Black screen appeared asking for a ...
0
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1answer
140 views

HUGE PROBLEM! Can't log in to Ubuntu 14.04 after upgrade to 15.10, stuck at login screen

So I started the upgrade from Ubuntu 14.04 LTS to Ubuntu 15.10. Everything was going okay until it logged out. Even the guest session is not working tried upgrading from terminal with Ctrl+Alt+F1 but ...
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0answers
16 views

As soon as I log in my computer logs me out again

I've been having some trouble trying to install virtualbox on my computer. While trying to install npm ass well the terminal recommended apt-get autoremove. This made me not able to log in again. Per ...
0
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0answers
41 views

14.04 login-loop after installing NVIDIA driver .run file

So I have a Dell Inspiron 15 7559 (NVIDIA GeForce GTX 960M) running Windows 10 and Ubuntu 14.04 LTS. I was able to install Ubuntu from a live USB after having added the kernel parameters: quiet ...
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0answers
17 views

Can't login but guest login is OK

When I enter my password to login to Ubuntu and hit enter, nothing happens. I just stay at the same login page. The password is correct because when I try a wrong password, I get "invalid password" ...
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0answers
25 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
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1answer
74 views

Screen Goes Blank After Boot

Once I start my computer Ubuntu starts to boot by showing the splash screen. Then once the splash screen goes away the login screen appears, but then quickly goes blank. I uploaded a YouTube video ...
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0answers
21 views

14.04: Login fails and returns to login screen on my sudo machine, while login is successful on other machines on the same filesystem

I am using a machine on a cluster with a shared filesystem. On one of these machines I have a sudo account. The problem is that login fails and returns to login screen on my sudo machine, while login ...
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0answers
49 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 referred Ubuntu gets stuck in a login loop, ...
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0answers
55 views

Can't login (install ubuntu-desktop on Ubuntu server 14.04), it gets stuck in a login loop

Recently, I install the Ubuntu server 14.04 LTS. For some reasons, I need to install ubuntu-desktop. After that, I try to login through the UI ,but When I login, the screen gets black and soon after ...
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0answers
28 views

Customize passphrase login screen for Ubuntu 15.10

Is there a way to way to change the theme, wallpaper & message of the Passphrase Login Screen for Ubuntu 15.10.
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0answers
20 views

Cannot login, xscreensaver not loading

I use a BackBox/Ubuntu system and it had xfce and xscreensaver login screen when booting. Days ago I was testing shortcut keys trying to logout using keyboard, and pressed CTRL and Fn Thinkpad key ...
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0answers
9 views

Ubuntu Login page resolution after power on differs from desktop resolution?

When I power my laptop on, It goes to Login page. But the resolution of login-screen page is greater than the resolution of desktop after login? Can it be fixed? and how? Thank you
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0answers
37 views

Ubuntu 14.04 Login loop (variation)

Today I decided to install Ubuntu 14.04 LTS on my Windows 10 hosted Virtualbox. I installed some things, restarded the VM and got a login loop. It seems that the login loop in 14.04 is not a new ...
0
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1answer
64 views

Change lightdm-gtk-greeter background?

I've been Googling like a maniac trying to find an answer, so I've now decided to ask here. How do I go about changing the background of the login screen? (lightdm-gtk-greeter). It currently uses ...
0
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1answer
27 views

how to trace errors and crashes in Ubuntu itself?

I'm new in Linux, My Ubuntu has started crashing for some days randomly and closing everything, going back to login screen!! Is this the same as when windows hangs and you kill a program? (but ...
0
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0answers
23 views

Can not log into Lubuntu from GUI, but can from text mode

I can log into my Lubuntu machine from the text mode, but I can not log into it through the GUI. After entering the same password and hit the "login" button, the screen flashes and then returns to ...
1
vote
1answer
58 views

how to change the lightdm gtk session icon

Quick question - I'm using lightdm-gtk-greeter in both 15.10 and 16.04 In the panel the budgie-desktop session icon is appearing as a spanner (wrench) icon. Any ideas how I can change this from this ...
1
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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 ...
0
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1answer
60 views

Login screen Ubuntu. How to add to ubuntu 14.04?

When I installed Ubuntu I didn't switch on login requirement. So when I'm connecting to Ubuntu using VNC I instantly see my desktop? Is it ok for my PC performance? There is installed apache server. ...
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0answers
189 views

Login loop after installing NVIDIA (GTX 960M) drivers on Ubuntu 14.04

I recently purchased the Acer Aspire V15 Nitro (VN7-592G-77LB) and installed Ubuntu 14.04 (ubuntu-14.04.4-desktop-amd64.iso) as dual boot. I've been trying to install the NVIDIA graphics drivers for ...
1
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0answers
35 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 ...
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1answer
27 views

cannot login ubuntu desktop after change passwd

Yesterday I changed passwd with recovery mode. After I resumed normal boot, it only shows guest session and other but not my account. How can I fix it?
3
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0answers
90 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 ...