Questions tagged [lock-screen]

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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double lock screen in Xubuntu after upgrade from 18.04 to 22.04

I made two successive upgrades of Xubuntu: from 18.04 to 20.04 and just after from 20.04 to 22.04. The second step had some failures due to root partition becoming full, but terminated. I now have ...
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What default screensaver does a freshly installed Ubuntu 20.04 or 22.04 have, and how to check if it is active?

I had the impression that Ubuntu had Gnome screensaver or xscreensaver by default. But when I tried gnome-screensaver-command --query, I'm shown the error "Command 'gnome-screensaver-command' not ...
Nav's user avatar
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Lock display - no password is required to get back. Is it normal?

I expect the system to require a password when I have locked the display using the menu in the up right corner. It requires a password in the lock screen to get back to desktop. But not always!!! ...
Petri Raatikainen's user avatar
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How to lock the screen when the laptop lid is closed in Ubuntu 23.04?

I have the following entries in /etc/systemd/logind.conf: HandleLidSwitch=lock HandleLidSwitchExternalPower=lock but it doesn't help even after reboot.
Kok How Teh's user avatar
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Caps lock doesn't work on lock screen with the English (Macintosh) keyboard

When typing in my password, the caps lock button does not work. The shift key does work. Here is a detailed description of the problem: This is only true for the "English (Macintosh)" ...
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howdy is not working on ubuntu 23.04

I recently upgraded my system to Ubuntu 23.04. However, Howdy is not functioning properly on the lock screen or any other authentication process. I attempted to reinstall it, but it did not solve the ...
Arad Afzali's user avatar
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Ubuntu 22.04 doesn't bring up unlock dialog when turning monitor back on or switching on KVM

HP EliteDesk 800 Mini-PC G3 (35W) and Lenovo ThinkCentre M900, Ubuntu 22.04.2, fresh install. If I have locking enabled: When switching back to the computer on a KVM I get a blank screen, but it seems ...
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How can I change the KDE Plasma lock screen theme?

I have customized nearly everything I wanted and I think it looks perfect except for the lock screen. I looked everywhere in the settings and there is no option to download a theme or make changes to ...
stucklucky's user avatar
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Can I display lock screen when I unplug the charger?

I'm running Ubuntu 22.04.2 LTS and want to display the lock screen when I unplug my charger. Is there a script, plugin or program that will let me do this?
MalcolmInTheCenter's user avatar
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login screen no show in a new user ubuntu 22.04

Ubuntu 22.04. I maked a new user and when i lock screen the login screen no show. I need help. my main user is function correct, no problem.
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Bluetooth headset stops working on screenlock and after restart on 22.04.2

I've updated the system this morning and noticed that my Bluetooth headset stops working upon restart or screenlock on Ubuntu 22.04.2 with Gnome 42.5. To fix this I have to go Settings > Sound and ...
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Ubuntu 22.04 suspend only lock the screen

linux newbie here. Sorry for my bad english before. So i have Acer Aspire Vero AV15-51 laptop running Ubuntu 22.04.2 LTS. Overall, everythings run great (except fingerprint login always failure to ...
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Xubuntu Live how to login on lock-screen?

With Xubuntu 22.04 Live if you do nothing for an extended period of time, it open the lock-screen, but the lock-screen does not accept xubuntu:(blank) , nor ubuntu:(blank) nor root:(blank), and ...
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check last lock time

I need to check the last time that I locked my Ubuntu LTS 22.04 Desktop system. for example for login time I use this command: cat /var/log/auth.log | grep unlocked but can not find any log event for ...
Bheid's user avatar
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Lock screen login not working

I'm on Kubuntu 22.10. Ever since I was using 22.04, my lock screen suddenly stopped working. It looks normal but when I enter my password, nothing happens. I have to escape to a console and run "...
Ibrahim Salim Omari's user avatar
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What are these notifications which only appear on the lock screen?

Sometimes when I lock my screen there are notifications at the bottom When I click them nothing happens. When I unlock the screen I can't see them anywhere. What is causing these notifications? How ...
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Ubuntu 20.04 doesn't ask for login password anymore after suspend

I'm using Ubuntu 20.04.3 (kernel 5.16.0). Long time it used to work normally, but recently it doesn't ask me password after I suspend the machine anymore. Checked in Settings->Privacy->Screen ...
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Screen lock completely locks me out and kills desktop session

On Ubuntu 22.04 on my laptop (Lenovo Yoga 710-14IKB with latest firmware), when I lock the screen, the machine becomes completely unresponsive to any input except to closing and reopening the lid to ...
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When I lock the screen and get back to it, it stays black for a 20 seconds

I am new to ubuntu. I've installed it (ubuntu 22.04) on my computer, Lenovo Yoga 6, and when I lock my screen I have a problem. When I return to it after a while, I type on the keyboard and it takes ...
Zacharie Desmeules's user avatar
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Ubuntu 22.04 LTS screen blank does not respect settings

OS: Ubuntu 22.04.1 LTS Whatever settings I make to Screen blank (never or 15 minutes) the screen goes blank after 1 minute. It's very annoying, sometimes while reading an article if I don't move the ...
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Easy desktop unlock

I am writing because I would like to use some simple way to unlock my PC desktop. A few years ago I used BlueProximity, but it is deprecated, and the Python fork has also been 2 years out of ...
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Is there anyway to let Xscreensaver work after locking your screen?

So, I installed Xscreensaver, and somehow I want the screensaver to show even after locking my desktop, is there any possible way to do that ? Thank you in advance.
Ayakase's user avatar
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Unresponsive after screen lock; sleep restores responsiveness, but I lose my GUI session

I have been finding over the last few days that often (but not always), after I have pressed the screen lock button, my laptop will not wake, no matter which keys or buttons I press. This is a new ...
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22.04 External monitors turn off/go to sleep when laptop is suspended, while all settings are set to disabled

I use my (work) laptop always with the lid closed connected with a dock and 2 monitors (one monitor directly connected to HDMI another plugged into the dock with HDMI) this works fine. But when i ...
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Unable to disable lockscreen in 22.04 Jammy via GUI

Steps taken: settings -> Screen -> disable everything The result: Lockscreen still appearing as it did prior to these changes. *The machine was reset several times since then and this issue ...
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Configuring LightDM Lockscreen

Through some online forums I determined that, with lightdm, I could bypass the authentication greeter after a screen lock by simply switching the VT/TTY. Then I came across information from here: ...
Sterling Butters's user avatar
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What does the system tray "Lock" button actually do [22.10]?

Ok yes, it sound like a dumb question as I am indeed talking about this: But my question is a little more complicated and has identical origins as the question asked here: Remove lock button/icon ...
Sterling Butters's user avatar
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Keyboard shortcut to lock screen doesn't work

A few days ago the keyboard shortcut to lock the screen didn't work anymore. And I didn't find a solution on the internet. I can still lock the screen via the menu. But when I press the shortcut Super+...
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How does the computer know that I am passing nearby?

It strongly seems for me Gnome automatically goes out of blank-screen mode to asking me for password when after a pause I pass by near the computer. Is it true? If yes, how the system detects my ...
porton's user avatar
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Why does mouse and keyboard input get disabled on the lock screen when the screen rotates?

I'm using Ubuntu 22.04.1 LTS on a Dell Inspiron. Sometimes after waking the laptop after it has been closed, the screen is in a different orientation (e.g. upside down presumably depending on how it ...
Karl's user avatar
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kubuntu logo instead ubuntu

so i had install kubuntu on my laptop then i install ubuntu everything seems normal but my lock screen logo and ubuntu software logo is kubuntu. so i had tried to remove plymouth-theme-kubuntu-logo ...
oldman_solione's user avatar
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141 views

Screen locked on desktop resize (aarch64 virtual machine)

I use Ubuntu 22.10 (and used all previous versions) in various environments, mostly virtual machines. I just ran into a new unexpected and annoying behavior on aarch64 (64-bit Arm). When I resize the ...
Thierry Lelegard's user avatar
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Can't unlock computer once locked; screen stays black

I am running Ubuntu 22.04 on an ordinary laptop. Once the screen is locked, the trackpad and keyboard don't respond, and so I can't unlock the machine. The screen stays black. However, I know that the ...
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Lock functions don't work for for Ubuntu 18.04

This is my output uname -a: Linux alisvndk 5.4.0-135-generic #152~18.04.2-Ubuntu SMP Tue Nov 29 08:23:49 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Somehow, my Win(Super Key) + L stopped working. I've ...
asevindik's user avatar
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Ubuntu 22.04 as QEMU guest: sound volume and screen lock issues

My apologies is this is not the right place to ask this, feel free to direct me to a more appropriate forum. I run Ubuntu 22.04 desktop for ARM (from daily builds) with UTM 4.0.9 (QEMU based). If it ...
user3407546's user avatar
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Panel blur settings at lock screen brake every time after sleep

I use this css code: #panel{ background-color:rgba(0,0,0,0.01); } #panel .panel-button{ background-color:rgba(0,0,0,0.5); border-radius:2em; } to blur panel. when I lock screen myself and open it ...
Burak Bayram's user avatar
1 vote
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63 views

How to show clock on login screen in Ubuntu 20.04

I want the clock to show on login screen while username and password fields are visible. I don't mean the big clock which gets replaced by user name as it disappears before my monitor wakes up.
Hubert Bossy's user avatar
1 vote
1 answer
300 views

Ubuntu 22.04 GNOME screenlocked and won't allow me to enter a password connecting via NICE DCV

I'm using NICE DCV to connect to my GNOME desktop GUI on Ubuntu 22.04. The connection seems fine, and I see the clock, and after a click, the lockscreen when I connect. But I'm not able to select the ...
gwhiz's user avatar
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Cannot lock screen on ubuntu 22.04

I have seen this gsettings get org.gnome.desktop.lockdown disable-lock-screen returns false for me I am using gdm3 not lightdm Issues: win+L does not lock screen Lid close does not lock screen
figs_and_nuts's user avatar
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Ubuntu 20.04 system "randomly" reboots from locked screen

I am sporadically experiencing reboots when my screen is locked. Until now, no unwanted reboots or freezes happened when the screen was unlocked. When the problem occurs, the system freezes, which is ...
André's user avatar
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How can I increase the time the lock screen is visible before the display turns off?

I am curious if it's possible to adjust the time that the lock screen stays up? Specifically this is when, I intentionally lock the computer with Ctrl + Alt + L Some time passes, I think about 1 ...
Jane Moissart's user avatar
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After a failed kali linux install, my non-related ubuntu removed the sidebar, all snap apps, login screen, and auto screen lock [duplicate]

I am very new to Linux and have used it as my main OS for less than 2 weeks. I have tried to install Kali Linux on my computer on a different SSD from my main Ubuntu SSD. I failed to install Kali and ...
alon maayan's user avatar
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Screen unlocking always fails: user unknown

I have kUbuntu 20.04LTS installed on a Dell Precision laptop. After some update within the last three months, I am no longer able to unlock the greeter screen after it locks, either by a screen ...
ehildum's user avatar
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104 views

Kubuntu 20.04 screen lock on suspend sometimes fails; allows resume from suspend without login (security issue)

I just opened my laptop (Thinkpad X1 Carbon gen 6), which resumed straight to the desktop with no login required. This is obviously a security issue, since if anyone had physical access to my laptop ...
Kent Christopher's user avatar
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USB-C External Monitor unresponsive after laptop in lock screen

My external monitor becomes unresponsive after my laptop is put into its lock screen after a certain amount of idle. The monitor is connected through USB-C, and it's very annoying since both my ...
Sebastian Baszczynski's user avatar
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1 answer
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I can't lock my session anymore on Ubuntu unity

I cannot lock my screen in any way : Crtl + l or Super + l ; Clicking on Lock in the top right menu (where you can also shut down the computer etc.) Through commands such as gnome-screensaver-command ...
J. Schmidt's user avatar
1 vote
0 answers
19 views

The lock screen does not appear on the main screen [duplicate]

I have a dual screen on my computer and I have a small problem. When I am on my dual boot (Ubuntu 22.04 and Windows 10), Bios or Windows 10, everything is displayed on screen 1. However, when I log in ...
Marethyu's user avatar
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1k views

Ubuntu 22.04.1 - screen freeze when resuming from locked screen

I installed Ubuntu 22.04.1 few weeks ago. I sometime experience the following problem: When I try resume session from auto-locked screen sometimes the screen freeze and I am not able to enter the ...
neutrino82's user avatar
10 votes
2 answers
3k views

Ubuntu 22.04.01: freeze-ups on refreshing from locked screen

After I upgraded to Ubuntu 22.04.01 last week, I have occasional freeze-ups on refreshing from a locked screen. My lock-screen requires my password to complete the re-opening. The freeze-ups occur ...
Richard Silbar's user avatar
1 vote
0 answers
498 views

Lenovo Legion 5 (15ACH6) running Ubuntu 22.04 - Goes to Lock Screen when attempting to Suspend

I'm using a Lenovo Legion 5 (15ACH6) running Ubuntu 22.04, and I'm looking to have the Suspend mode working preoperly. When I try to suspend the notebook it goes straight into the Lock Screen, which ...
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