Ubuntu

How to lock screen without turning off screen

Asked by Test

How to lock screen without turning off screen? Please don't suggest screensavers. For example, xscreensaver has a bug and sometimes fails to authenticate the user.

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Bernard Stafford (bernard010) said (last edit ): 		#1

Top Right corner of screen - Power Button / click - Just to the left of the power icon is a
Padlock Icon - Click to lock the screen.
Click the screen to Unlock with password.

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Test (3560holy) said : 		#2

Unfortunately this turns off the screen

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Bernard Stafford (bernard010) said : 		#3

Settings -> Privacy & Security -> Screen Lock ->
Blank Screen Delay - Never
Automatic Screen Lock - Switch Off
Lock Screen Notifications - Switch Off
Lock Screen on Suspend - Switch Off or On [should not make a difference]
Now retry the padlock icon to lock the screen.

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Test (3560holy) said : 		#4

The result is the same. The screen turns off during screen lock.

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Bernard Stafford (bernard010) said : 		#5

Settings -> Power -> Power Saving -> Screen Blank - Never

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Test (3560holy) said : 		#6

The result is the same. The screen turns off during screen lock. But if you activate the locked screen after turning it off, it will no longer turn off.

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Bernard Stafford (bernard010) said : 		#7

Those are all of my settings on Ubuntu 24.04 my screen does not turn off if I lock the desktop
it has the login page for Ubuntu with the screen on.

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Test (3560holy) said (last edit ): 		#8

Maybe I should upgrade to your version. My version of Ubuntu is 22.04.1.
Is it possible to make the automatic screen lock independent of the screen being turned off?

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Bernard Stafford (bernard010) said : 		#9

Should work on your version. The very first thing I do after installing Ubuntu is:
Settings -> Power -> Power Saving -> Screen Blank - Never
Does a reboot change the change the screen lock variables where the
Ubuntu screen is on when you lock the desktop?
Currently: Ubuntu Jammy 22.04.5 as of 2024-08-29
May I suggest open Terminal [ctl+alt+t]:
sudo apt update && sudo apt upgrade
after any updates
sudo snap refresh
sudo reboot

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Test (3560holy) said (last edit ): 		#10

Thank you. I'll try to upgrade a little later.

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Test (3560holy) said : 		#11

The settings are not applied if the screensaver is enabled in xscreensaver

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Bernard Stafford (bernard010) said (last edit ): 		#12

On my Ubuntu I didn't install a screensaver.
If you decide to upgrade the OS, please backup your files; flash drive.
Firefox has SYNC for all of your saved websites.
If you wait for the next LTS it will be: 2025-04-17 Final release of Ubuntu 25.04 Plucky
Ubuntu 25.04 Set to Ship with New PDF Viewer, different installer than 22.04.
The final stable release of GNOME 48 is out on March 19, 2025, many other features.

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Test (3560holy) said (last edit ): 		#13

Thank you. I'll try to upgrade a little later.