Questions tagged [screensaver]

Blanking of the screen or filling with moving images when computer not in use.

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How to prevent XScreenSaver to load while playing videos on browsers (ARM)?

According to the XScreenSaver wiki, the app should automatically recognize when browsers are playing videos, but it doesn't for me. I'm running Ubuntu 23.04 over ARM (RPi4), and the app loads while on ...
42piratas's user avatar
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How to make Xscreensaver not load while Brave Browser runs videos

I'm running Ubuntu over ARM (RPi4), and I have XScreenSaver installed. The screensaver loads while Brave Browser plays Youtube videos. It doesn't load while VLC is running videos, though. ...
42piratas's user avatar
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Looking for a 'screensaver' (animated framebuffer graphics, not just blanking) on a X-less system for the console

I have a small Ubuntu 23.04 system without X11 or Wayland (server edition) where I want an oldschool screensaver in the text console. Is there any program in the Ubuntu distribution which can achieve ...
emk2203's user avatar
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java program in xscreensaver

Trying to run my Java Swing program in xscreensaver. The program runs great from command line. It uses the whole screen with JFrame frame = new JFrame(); GraphicsEnvironment ge = ...
Alex B's user avatar
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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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Display standby after inactivity in console

I need my display to go to standby mode after inactivity as it is done in Windows. I am on Ubuntu Server 23.04. Please help.
meir's user avatar
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How do I get Xubuntu to stop blanking and locking the screen -- and sometimes rebooting -- all while unattended

I have 7 machines all running Xubuntu, and a couple of them keep exhibiting this behavior despite my attempts (outlined below) to quash it. I want these machines on 24/7, and I want to see their ...
ForDummies's user avatar
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Can't unlock from gnome screensaver ubuntu 20.04

Ubuntu 20.04 with Gnome desktop. After the screensaver kicks in (or the hotkey Super+L) I can't unlock with my password. I can enter it in the input field, but it always tells me that the password is ...
David Powell's user avatar
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227 views

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 ...
hanshenrik's user avatar
1 vote
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521 views

KDE Plasma screen going dark even though screen dimming is disabled

My screen keeps dimming (or going blank) after several minutes of inactivity. Normally I don't mind, but the other night, I was giving a presentation and connected to a projector. If, for example, I ...
jamshark70's user avatar
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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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914 views

Laptop: close lid, turn screen of but keep RDP enabled (Ubuntu 22.04.1 LTS)

I'm running Ubuntu 22.04.1 LTS on an old laptop. From windows, I can connect with the RDP-protocol, no problem. To save some energy: I want to have my screen blank, but in that case, I can NOT connect ...
bartplessers's user avatar
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92 views

What causes Automatic Suspend to fire up on Ubuntu 18.04?

I have Ubuntu 18.04 where X11 is implemented by Xorg using gdm3 as a login shell. I load to dconf following .ini file (in addition to Ubuntu 18.04 gdm3 defaults): # New added [org/gnome/control-center]...
ojacomarket's user avatar
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507 views

How do I disable screensaver and systemd suspend on Ubuntu 20.04 from command-line or configuration files?

I have seen a lot of solutions about gsettigns set and systemctl mask suspend.target ... but none works for me. My Ubuntu 20.04 has Gnome GUI. And the only thing I want is to completely disable screen ...
ojacomarket's user avatar
2 votes
0 answers
126 views

External monitor lead to screensaver in-out loop

Normal behavior: After 1min of beeing IDLE, my laptop will show a blank screen to save power (not "suspend", just blank screen ) When the mouse is touched, the screen is back to life. ...
n0tis's user avatar
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Mysterious Screensaver functionality despite correct power settings

I upgraded from Ubuntu 20.04 to 22.04 and ever since my screen turns off after about 20 seconds of inactivity and turns right back on when I press a key or move the mouse. This doesn't happen if there'...
stukev's user avatar
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212 views

"Screen Blank" option does not keep the screen off when connected to external monitor

On Ubuntu 22.04 (issue also noticed on many previous versions), in the power settings, I set the number of minutes of inactivity before the screen turns off under "Screen Blank". It works ...
TVG's user avatar
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143 views

Google Chrome Preventing Screensaver Activation

I have had an intermittent problem with the screen saver not activating on Ubuntu 18.04. I have come to realize that this only occurs when Google Chrome is running. This can happen with it minimized ...
Dan's user avatar
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131 views

Gnome Screensaver not blanking screen completely

Curious, sometimes after several days the gnome screensaver doesn't turn off the backlight. It used to always work. Logging out fixes it for a few days, but then it appears again. Any ideas? I've ...
Brian Bogdan's user avatar
2 votes
0 answers
265 views

Unable to detect relyably locking of screen within gnome session

I have to detect if the screen is locked or not. It works pretty OK most of the time. BUT: Selecting "Lock screen" (German: "Sperren") on the top right menu and moving the mouse ...
Uli Heller's user avatar
1 vote
0 answers
753 views

Turn the screensaver off using xdg-screensaver

I am facing problem turning off screensaver with bash script in Ubuntu 22.04. I am running a script something like that: #!/bin/bash xdg-screensaver lock sleep 5m xdg-screensaver reset It should lock ...
Anisur Rahman's user avatar
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1 answer
77 views

Timer/screensaver app to impose regime for eyes?

I have Ubuntu 20.04 LTS and I would love to install a sort of screensaver or timer in order to impose periods of relax for my eyes. It should show a screensaver every period of time for 10 minutes. ...
curveball's user avatar
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870 views

screensaver stopped activating

I'm running XUbuntu 20.04.1. Today I noticed twice after lengthy idle periods (a few hours) that the screensaver (blank screen) and lock on my laptop both failed to start. As far as I can tell, no ...
smontanaro's user avatar
2 votes
0 answers
970 views

Not waking up after screensaver 22.04

When my computer goes screen blank (even if I set it to 1 minute) screen not turning on when I doing something. Same on X11 and Wayland. And if I suspend from menu screen goes blank, but computer is ...
raven17a's user avatar
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1 answer
70 views

Turning off screen power when the screen saver kicks in

One of my laptops (a HP one) is rarely in active use but is always on, basically used remotely and for backup purposes. However, the screen is always powered on, even when the screen saver (black ...
Bernt Ribbum's user avatar
1 vote
1 answer
2k views

Password prompt on login only, not on lock screen

I'd like to only be prompted for my password on login, as I thought I had indicated on setup. But when I open my laptop lid, I'm prompted again. Is it possible to eliminate the Suspend (on battery) ...
Hulda's user avatar
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110 views

Execute script after returning from power saving black screen

I've a issue with my external monitor losing the signal in Ubuntu 20.04. It doesn't happen using Windows 10. I found a workaround here thanks to @user10489 So, I configured Ubuntu to execute xset ...
virilo's user avatar
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101 views

Since latest update, Laptop screen turns to statics (all the screen pixels flash randomly) and PC freeze when Ubuntu screen saver starts

I have Ubuntu 20.04.3 LTS on an Asus Laptop with AMD cpu and AMD graphic card, and since the latest automatic updates received on 21/01/2022, my laptop basically crashes (the screen turns to statics, ...
GeekWithBigDisks's user avatar
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79 views

How can I get rid of a screensaver on Lubuntu 20.04, using CLI?

I have some VMs using Lubuntu. On restoring snapshot screensaver is always appearing which is both irritating and serving no purpose whatsoever. How can I remove them via CLI? I want CLI as I plan to ...
reducing activity's user avatar
2 votes
0 answers
520 views

Dual Monitors not using DPMS with screensaver

Settings -> Power -> Blank Screen set to 1 minute Ubuntu 20.04 21.10, fresh install, that is now updated to 22.04. Dual monitors, one connected via HDMI, the other via DVI. After a minute, ...
Bovine's user avatar
  • 534
5 votes
1 answer
4k views

How to configure ScreenSaver by Command Line?

I would like to configure ScreenSaver by command line (CLI) on Ubuntu MATE. I am already familiar with the GUI to configure ScreenSaver on Ubuntu MATE 20.04 as shown below: Control Center > Look ...
UB89BVHZG's user avatar
  • 117
2 votes
1 answer
368 views

How to unlock screensaver over ssh on ubuntu 21.04?

I want to unlock the black screen over ssh (screensaver). I have a desktop ubuntu 21.04 and I want to log into this via ssh and unlock the screensaver. I tried xdotool in a script: #!/bin/bash export ...
Dave's user avatar
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1 vote
1 answer
491 views

lockscreen not available Ubuntu 20.04.2

My look screen is not working or even "not presented". After reboot I can unlock the device but after that I cant lock it anymore Super + L not working gnome-screensaver-command -l not ...
Wulf's user avatar
  • 123
5 votes
1 answer
1k views

Determine what process is keeping my screensaver from activating

I see several questions on how to stop the screen from blanking, but I have the opposite problem. Ubuntu 20.10 (but it's been an issue for over a year), i3wm, many firefox tabs with (among other ...
Mycroft's user avatar
  • 161
0 votes
1 answer
96 views

No video output after resuming from post screensaver

After the OS turns off the output due to idling. Upon pressing keys or jiggling the mouse I can no longer get video output and I have to hold the power button to restart and then the output returns. ...
lordtalbot5's user avatar
2 votes
1 answer
331 views

My ubuntu does not go to blank screen

In my power settings I have setup automatic Blank Screen in a minute however it does not go to blank. This is a laptop Lenovo Thinkpad. How to fix this? Is there at least any way I can manually ...
Solvek's user avatar
  • 142
2 votes
1 answer
2k views

Screen timeout for Ubuntu Server login screen

My server machine always has screen turned on on the login screen, which is shown right after the boot and where I have to input my login and password. There is no desktop environment. I wonder ...
SerVB's user avatar
  • 23
0 votes
1 answer
956 views

Displays don't sleep when the computer is idle under gnome3

I'm running Ubuntu 20.04.1, with Gnome3 desktop. I have Screen Blank Delay set to 15 minutes in Settings > Privacy > Screen Lock, but this does nothing. When my computer is idle for longer than ...
codewario's user avatar
  • 115
1 vote
1 answer
1k views

Screen not turning off after screen timeout in 20.04

I have this problem where the screen doesn't completely turn off and just fades to black with the pointer visible after the set time in GNOME's settings panel. It looks like this: Is there any fix ...
Wolfdale A3's user avatar
0 votes
2 answers
236 views

Critical Error messages when booting , Automatic suspend not working

CRITICAL: Unable to create a DBus proxy for GnomeScreensaver: Error calling StartServiceByName for org.gnome.ScreenSaver: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome....
user285215's user avatar
0 votes
1 answer
1k views

Ubuntu 20.04 background -- is there a way to make the screensaver rotate/change every five minutes? [duplicate]

I would like to rotate/change screen saver on my background on Ubuntu 20.04. Is there a way to have it change/rotate every five minutes? Thanks
SBana66's user avatar
0 votes
1 answer
41 views

Applications for removable media don't run when screen is blanked

I have used the Devices / Removable Media settings to activate a CD playing program when an audio CD is inserted. Works fine, except… when screen is blanked. I have the screen set to be blanked after ...
njlarsson's user avatar
  • 190
0 votes
0 answers
61 views

Two screensavers running at the same time

I have xscreensaver installed. When I move my mouse, it stops the screensaver that is viewable. But when I hit a key, there is another screensaver running. I only want xscreensaver running. I do not ...
fixit7's user avatar
  • 3,115
6 votes
2 answers
4k views

Automatic screen lock on startup is blocked by an application

I am running Ubuntu 20.04 LTS and is trying to set up my system so it will log in my single user automatically but employ a locked screensaver on startup to ensure security. I have followed the ...
UsernameError's user avatar
1 vote
2 answers
1k views

screensaver not working and freezing the keyboard

I'm currently encountering some issues with my screensaver. I use Xubuntu 20.04 on a laptop Lenovo X270. When I try to activate the screensaver using the screensaver interface in "parameters"...
jllprod's user avatar
  • 11
0 votes
0 answers
156 views

Can't log back in to only my account after switching to another user in lightdm on xubuntu

My family has a shared computer were we all have accounts. This is an Xubuntu 20.04 system running lightdm as the user manager. For whatever reason, whenever I login to my account, then lock the ...
deltaray's user avatar
  • 215
0 votes
1 answer
454 views

XFCE Screensaver failed to engage

I recently installed Ubuntu 20.04, originally with MATE desktop. But due to an issue that that Xorg is gluttonously eating up my memory (see the linked Ubuntu bug for more detailed), I installed xfce ...
Wirawan Purwanto's user avatar
2 votes
1 answer
5k views

xfce4-screensaver change lock screen background

I am using i3wm and I use xfce4-screensaver as my locker program. The reason is that it feels familiar (dialogue to enter password and button to switch user). xfce4-screensaver comes with 2 things: ...
mle0312's user avatar
  • 121
1 vote
1 answer
513 views

Gnome-screensaver seg fault, can't lock session

Upgraded from 19.04 to Ubuntu 20.04 on Dell XPS 9350. There are no screensaver options in Settings or in gnome tweaks. Screen lock doesn't work, it quits the gnome session instead and gives me login ...
cfort's user avatar
  • 111
2 votes
1 answer
4k views

How to customize the lock screen in Lubuntu 20.04 LTS?

I just replaced Fedora on my PC with the latest version of Lubuntu based on LXQt. I absolutely love it! But the lock screen that comes up after pressing Ctrl+Alt+Del is very poor in aesthetics. Is ...
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