The lock screen lets a user lock the currently-running session behind a password screen. This screen may either be blank or show a screensaver until mouse or keyboard activity is detected.

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5
votes
4answers
204 views

Cannot unlock session if user has no password

I created an account with no password for my 3 year old child. After some time of inactivity on that account, the session locks. Then I cannot unlock the session. Trying to unlock with an empty ...
2
votes
1answer
269 views

Unity CTRL + ALT + DEL set default value to 'Lock'

When I press CTRL + ALT + DEL I get a dialog with two buttons: Log-out and Lock. I spent a significant portion of my time working on Windows workstations, and the default there is Lock. It is a ...
2
votes
0answers
149 views

Ubuntu 14.04 Dual monitor lock screen not blanking both screens properly

I recently upgraded from 12.04LTS 64-bit to 14.04LTS 64-bit. My system is a desktop using the NVIDIA GeForce 210 card connected to two identical Samsung SMS23A350H monitors via HDMI cables. I'm ...
0
votes
0answers
238 views

Ubuntu 14.10 Lock Screen in Unity - won't let me type password

I have this annoying problem with Ubuntu 14.10 (Had the same problem with 14.04.) Perhaps once or twice a day when I wake my laptop from suspend it brings me to the login page. All seems okay apart ...
3
votes
0answers
102 views

Lock screen asks for password on no-password account

The Ubuntu lock screen always asks for a password even when the account does not have password. In my opinion, it should be exactly like the login screen: a button "connect >" for accounts that don't ...
1
vote
0answers
53 views

lock screen takes time to show

When I leave my desktop I lock it by pressing Ctrl+Alt+L. When I Use Windows or Gnome-shell the lockscreen shows instantaneously and I can leave my desk. When I use Unity it takes a few seconds until ...
5
votes
1answer
179 views

Change lock screen style on gnome classic desktop

Is there a way to use Unity lock screen in Gnome classic desktop? I love the way unity fades the main screen to lock the session, while I'm not enthusiastic about the window showed by the classic ...
0
votes
0answers
58 views

How to change screen locker in KDE?

Recently I start using lightdm in pair with google authenticator for two-step authentication. All works fine, but default screen locker in KDE doesn't configured to use 2-step auth. So, I want to ...
2
votes
0answers
72 views

How to disable caps lock on boot

Is there a way to disable the Caps Lock at boot, so it won't bother me when logging in? Laptop: old Multicom Xishan W530E bought at http://multicom.no. OS: Ubuntu 14.04. My latop has a problem with ...
0
votes
1answer
107 views

Unbuntu unresponsive after login

After Login in from lock-screen, ubuntu remains unresponsive (or very slow) to mouse or keyboard input for about 15 seconds. The mouse is still moving but that is about it. After the delay, all ...
4
votes
2answers
1k views

Why did my lock screen change?

My lock screen changed one day from the default: to this different one: I am running Ubuntu 14.10. The install was originally a 14.04 that I upgraded to 14.10. The lock screen did not change at ...
0
votes
0answers
115 views

All programs crash after locking computer

Whenever I lock up my computer (on Ubuntu 14.04), by the time I unlock it all the programs have been closed. There is no error message or anything, so I don't know how to identify the problem.
0
votes
0answers
178 views

How to change/remove lock screen background picture?

I am using Ubuntu 14.04 with xfce, and my lock screen background picture for some reason is one of my past wallpapers, but I want to change it, but can't find anywhere where can I do this. All I can ...
0
votes
1answer
71 views

Is it possible to put the computer into sleep mode while logged out in 14.04?

I found this question, but that's tagged 12.04, and is unanswered, so i'm asking a new, more general, question. If the computer is either locked or logged out, is it possible to put it to sleep? The ...
0
votes
0answers
229 views

how to make Lubuntu 14.04 screen to stay on

hello I just installed lubuntu 14.10 and I have changed all the setting in xfce power setting to never for all and the screen locker settings to off but the screen still turns off after a while of ...
0
votes
0answers
31 views

MBP 9.2 lock screen brightness buttons

Normally my screen brightness buttons F1 F2 work. If my computer goes to login screen/ lock screen while the screen brightness is turned to minimum ( screen off), when I wake the computer these ...
0
votes
0answers
127 views

Xubuntu 14.04 vnc not showing password lock screen

It's actually two problems which I think somehow connects to each other. I am using Xubuntu 14.04 LTS. After the screen is locked and gets to a black screen, the keyboard mouse is dead and I can't ...
0
votes
1answer
334 views

How to enable onboard (on screen keyboard) on the lock-screen?

I have a laptop-tablet device and I'm trying to enable onboard on the lock-screen. Enabling onboard on the login screen is no problem but enabling the option Show when unlocking the screen is not ...
0
votes
1answer
185 views

ubuntu 14.04 + gnome-session-fallback : how do I lock the screen?

I'm running my new ubuntu 14.04 + gnome-session-fallback. Where can I find my good-old "lock-screen" button ? I can only see logout/shutdown in the top-right menu.
0
votes
0answers
61 views

How can I disable the lock session (not just in a specific gnome-session but for anyone who uses a certain machine)

I have several machines running ubuntu 14.04 LTS and there are a lot of users that log in and out of them (not local users). I wish to prevent any possibility of a user locking the screen in a ...
0
votes
0answers
120 views

How to remove the shutdown/restart/log out options from unity lockscreen?

I am using Ubuntu 14.10 on one computer and 14.04 on another.After hours and hours of searching around the internet,and having uninstalled lightdm(replaced with gdm),uninstalled xscreensaver(replaced ...
0
votes
1answer
647 views

Cannot disable lock-screen

I'm trying to disable the lock-screen feature that requires me to enter a password when waking up the screen after being idle. I've turned off every setting I can find related to password reqiurement ...
1
vote
2answers
3k views

How do I disable automatic screen locking in Xubuntu?

After about 10 minutes, Xubuntu 14.04 goes to sleep all by itself. I've set up the shuffle on the music player and it only gets through 3 songs before I have to sign in again. There is no screensaver ...
1
vote
0answers
68 views

Unable to lock screen Ubuntu 14.04 fresh installation

How I can enable screen lock feature. The screen in system setting is disabled. So I am not able to enable it.
2
votes
1answer
95 views

Detect screen-lock in shell/c++

I have a cross-platform application that runs on Ubuntu 14.04 (GNOME). There I need to determine if the screensaver is active or not and if the screen is locked or not. I found out that I can get the ...
5
votes
1answer
250 views

How to get conky work even in lock screen?

As the question goes, is there a way to get conky work even when is the system is locked?
0
votes
0answers
37 views

Open top panel menu stops lockscreen shortcut from workinng

The lockscreen shortcut doesn't work when a drop down menu is open from the top panel. For example, if I right click on either volume control, wireless, mail, username (etc) to get a menu, then with ...
0
votes
0answers
108 views

Xubuntu screen won't lock via X2Go

I've installed Xubuntu 14.10 and set the boot mode in Grub to text only, as I primarily interact with this machine with SSH over the Internet or with X2Go. When I press the screen lock icon, nothing ...
0
votes
0answers
104 views

Lubuntu 14.04 desktop lockscreen resolution

Lubuntu 14.04 desktop - my lockscreen defaults away from my set resolution on main screen to the default of 1920x1080 - how can I mend this to match main screen 1280x960? thanks
1
vote
0answers
102 views

Lubuntu 14.04 Session loss upon screen locking and power management issues

When I screen lock (ctrl + alt + del) on my Lubuntu 14.04 LTS system, my session is restarted when I log back in. This causes me to lose any programs I had running prior to the lock. Power management ...
0
votes
1answer
59 views

Suspend desktop from the lock screen

I often leave my desktop PC running to serve some media via Plex. When I'm done watching, all I want to do is suspend the PC. By then, it has automatically locked, and annoyingly won't respond to me ...
2
votes
1answer
148 views

How to enable autologin but still require password

I am running Ubuntu GNOME 14.04, using gdm display manager and gnome-shell environment and I need to achieve the following behaviour: after boot, a selected user is automatically logged in, but a ...
0
votes
0answers
113 views

Hibernate just locks the screen in Ubuntu 14.04

I tried to enable hibernate in Ubuntu 14.04 by following this tutorial http://ubuntuhandbook.org/index.php/2014/04/enable-hibernate-ubuntu-14-04/ But, clicking on hibernate simply locks the screen ...
2
votes
0answers
67 views

Pattern Lock Screens

I've installed Ubuntu 14.04 on a Lenovo Yoga 2 and after getting some things tweaked so it's usable converted (i.e. tablet-mode). I have one remaining issue - I need the keyboard to unlock. I'm ...
1
vote
2answers
124 views

lock screen has turned to an old design

It's been two weeks since I installed Ubuntu 14.04 and today I found out my lock screen has turned to a very old design. like this image: I am new to Linux and I tried to fix the problem but I got ...
2
votes
1answer
333 views

How to disable power off/restart option on lock screen?

When I'm lock the screen it's possible to turn off computer or restart it. How to disable this possibility? This possibility on lock screen makes all lock screen idea no sense.
0
votes
0answers
55 views

Facebook cover photo as Gnome lockscreen, profile picture as user account photo?

Is there any way (app/setting) that will allow me to synchronize my Ubuntu Gnome lockscreen & user photo to that of a Facebook cover photo & profile picture, respectively? Windows 8 and ...
0
votes
0answers
25 views

Time shown in lock screen not correct [duplicate]

Today I noticed that the time shown in the lock screen page of my ubuntu-gnome 14.04.1 is not aligned with the current time. The gnome version I have is: gnome-session 3.9.90 The strange thing is that ...
2
votes
1answer
505 views

How do I disable “Lock screen” keyboard shortcut under Unity?

I don't want Super + L (that is the windows key pressed with the L key) to lock my screen. I have disabled this in settings, but it still happens. How do I make this not happen?
0
votes
1answer
203 views

How to enable the pc power button at the lock screen?

I would like my Ubuntu 14.04 to shut down (shutdown -h now) when I press the physical power button on the pc, regardless if it is locked or not. Works great on every windows machine, why doesn't this ...
1
vote
2answers
196 views

Fingerprint GUI breaks lock screen after suspend

ASUS M50Vc with AuthenTec AES1600 fingerprint reader, Ubuntu 14.04. Everything works normally EXCEPT when I need to unlock the screen after suspend. There is no prompt to swipe the finger, swiping ...
3
votes
1answer
622 views

Password dialog doesn't work on lock screen 14.04

I have a two-monitors configuration. Sometimes after a long period the passord dialog on lock screen doesn't work. Input control doesn't appear. Is may happen in one or both monitor dialogs. What ...
0
votes
0answers
64 views

Why Light locker unmounts encfs mount points when screen is unlocked

... and how to prevent this behaviour or work around that? I have the following mount point: encfs on /home/me/Private type fuse.encfs (rw,nosuid,nodev,default_permissions,user=me) I lock the screen ...
1
vote
0answers
36 views

System is locked for inactivity even though that setting is turned off

I have my Brightness & Lock settings like this: And this used to work like I wanted to - screens turned off after ten minutes, no password was required to start again. However, since about a ...
0
votes
2answers
204 views

How to lock without turning the screen (monitor) off?

Due to a recent bug, each time my screen turns off, I cannot get it back on. Currently, the screen starts turning off after the computer is locked - which effectively means that I cannot lock my ...
0
votes
0answers
143 views

14.04 screensaver problem

After upgrading from 12.04 to 14.04, like many others, I had a problem with the lock screen not showing the password field, so I wasn't able to login. The only apparent solution was to reboot the PC. ...
0
votes
1answer
268 views

How to stop having to enter password twice to unlock the screen?

Recently when I lock my Ubuntu 14.04 account I have to write my password twice in two different places before getting in. This happened recently. I think I might have installed some stuff that I saw ...
0
votes
0answers
204 views

Lock screen flickering Acer Aspire E5-511

I got my new Acer Aspire E5-511-P2AV and installed Ubuntu 14.04. When I lock the screen the screen begins to flicker. Every 2-3 seconds the brightness goes up very shortly and then it's black again. ...
-1
votes
2answers
34 views

Why do I have this start session?

Hi everyone, I have this problem. I install Ubuntu mate in my Ubuntu 14.04 LTS, but don't like it, so i remove it from Ubuntu. The problem is that I have this start up panel and I want the default ...
0
votes
0answers
448 views

Citrix receiver freeze when is screen is locked

Whenever the screen is locked by the remote session (here Windows) within the citrix receiver (full screen) the local keyboard freezes. The mouse is still working properly, but the keyboard don't ...