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

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0
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1answer
14 views

Ubuntu Windows10 dual boot problem

I had Ubuntu 15.04 and Windows 10. Both used to work well. I mainly used Ubuntu. I remember last time I booted into Windows 10 was a few months ago and there was no problem. A few days ago I upgraded ...
1
vote
0answers
33 views

Can't log into Ubuntu, takes me right back to login screen. Also computer runs in abnormally low resolution, possible graphics card issues

I feel like my problem will be best explained if I just tell you guys what happens. The short version: Upon boot, I get the /dev/sda message, font changes, then a messed up loading screen, an orange ...
0
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0answers
28 views

Make Lubuntu's login screen solid color

Since i3 appears to inherit the wallpaper from Lubuntu (16.04)'s login screen, I figure I need to change the latter. I followed these instructions, but to no effect. Not only do I not get the blue ...
0
votes
0answers
51 views

Critical freeze on login in ubuntu 16.04

Using an up-to-date Ubuntu GNOME 16.04 system on a msi cx70 sometimes on login screen I can have a freeze. After this I can only reboot machine or call console (ctrl-alt-f1). What can I do to fix or ...
3
votes
0answers
32 views

Ubuntu Server 16.04 Login Username Field

I have already searched and was unable to find any documentation on this issue. I have freshly installed Ubuntu Server 16.04 on a machine that seems to have been built around 2009-2011. I used a ...
0
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0answers
4 views

Login screen still of the previous one

I first installed ubuntu mate. Then switched to ubuntu 15.04. But the login screen still appears to be of mate. Plz tell me how to change it. And by login screen, i mean the screen where we type ...
1
vote
0answers
32 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
32 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 ...
0
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0answers
36 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 ...
0
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0answers
57 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 ...
0
votes
0answers
14 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.
2
votes
0answers
143 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 ...
0
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0answers
26 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 ...
5
votes
1answer
168 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 ...
0
votes
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 ...
0
votes
1answer
123 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 ...
0
votes
0answers
39 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 ...
0
votes
0answers
30 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 ...
0
votes
0answers
15 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" ...
1
vote
1answer
105 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
312 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 advance!...
0
votes
0answers
42 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. ...
0
votes
1answer
98 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 ...
0
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0answers
88 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, ...
0
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0answers
19 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 ...
0
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0answers
30 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 ...
2
votes
0answers
54 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
226 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, ...
1
vote
2answers
2k 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 ...
3
votes
1answer
2k 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 ...
9
votes
6answers
6k 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 The upgrade went without any error messages. However, after ...
0
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0answers
44 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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0answers
32 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
votes
1answer
155 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 ...
0
votes
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
48 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 ...
0
votes
0answers
18 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" ...
2
votes
0answers
29 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
1answer
81 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 ...
0
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0answers
24 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 ...
0
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0answers
56 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, ...
0
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0answers
79 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 ...
0
votes
0answers
29 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.
0
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0answers
23 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 ...
0
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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
0
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0answers
42 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
votes
1answer
95 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
votes
1answer
28 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
votes
0answers
24 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
81 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 ...