All Questions
Tagged with screen power-management
52 questions
0
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26
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What is preventing my screen from dimming or sleeping?
I'm running Noble 24.04.1 LTS on a Thinkpad X1.
For the last few weeks, I've noticed that my laptop does not reliably lock, dim or suspend when it isn't in use.
The power settings suggest that it ...
- 9,593
0
votes
0
answers
12
views
How do I restore screen dimming without restart?
This is 24.10 but the problem has existed for many prior releases.
I want timed screen dimming to WORK. I know how to set this up under Settings->Power Saving->Screen Blank (I usually have it ...
- 421
1
vote
0
answers
140
views
On ubuntu 24.04 and 24.10 is there a presentation mode that prevents screen going blank?
As the title says, is there a way to activate a presentation mode that prevents the screen going blank after a few minutes of inactivity?
I installed caffeine and caffeine-indicator, which worked fine ...
- 111
12
votes
8
answers
8k
views
Ubuntu 24.04 LTS does not wake up or repond after being idle for some time
I am using a Dell Inspiron Laptop 15R 5537 with 2TB Samsung SSD, 16 GB ram and Secure boot enabled. It was running smoothly on windows 10.
Few days back I had clean installed Ubuntu 24.04 LTS on the ...
- 159
1
vote
0
answers
96
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23.10 auto screen blank never happens
In Ubuntu 23.10, Xorg session, I set "Screen Blank" time to 5 minutes as instructed in
https://help.ubuntu.com/stable/ubuntu-help/display-blank.html
But the screen stays on all night, ...
- 459
0
votes
0
answers
88
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Screen Rotation Issue on Ubuntu 23.10 with MSI GE70 and GTX760M
I'm currently facing an issue with my MSI GE70 laptop running Ubuntu 23.10, equipped with a GTX760M graphics card. Whenever I disconnect the laptop from power and switch to battery mode, the screen ...
- 1
4
votes
1
answer
145
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On 22.04, laptop screen dims to 0 when unplugging power cable. With my old eyes, I can't see the screen to increase brightness again
Searched for answers, and there were very old posts that gave solutions that haven't worked now for many years. I'm using Ubuntu 22.04 on a Lenovo IdeaPad Flex 14-API.
When the screen dims to its ...
- 91
3
votes
0
answers
2k
views
Screen blanking but not turning off on Raspberry pi 4 running Ubuntu 22.04.1 image
I am using a Raspberry Pi 4B and an HDMI monitor (since tested on both an old 4GB model from launch and my newer 8GB model). The pi is running the Ubuntu 22.04.1 Raspberry Pi desktop image from the ...
user697440
0
votes
0
answers
1k
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How to switch to an external monitor when a laptop lid is closed?
There are a lot of similar questions. For example this one suggests a complicated solution with hotkeys.
Everything worked fine on Ubuntu 22.04. When I closed a laptop lid, then the laptop screen is ...
- 101
2
votes
0
answers
351
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Ubuntu 22.04 unwanted auto dim, 'Automatic Brightness' doesn't exists in power settings
I recently installed Ubuntu 22.04 on my PC. I am experiencing some weird dimming behavior:
If I present a white image on my screen, the screen gets brighter
If I present a black image on my screen, ...
1
vote
0
answers
415
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Problem waking from suspend and screen blank on Ubuntu Dell laptop Precision 3570
I have a strange problem where I am sometimes unable to wake my computer from suspend or screen blank using the keyboard or power button. The only thing that does work reliably is closing and ...
- 153
2
votes
1
answer
1k
views
Seeing unwanted screen dimming after update to 21.10
After updating from 21.04 to 21.10 last week I began to experience issues related to screen dimming. I have a Dell laptop, docked running an external 24 inch dell monitor. I had never used the ...
- 21
3
votes
1
answer
1k
views
Brightness dims depending on background
I just bought a Dell Inspiron 15 5502 with i7 11th gen and Intel Irix Xe. It came with windows 10 home pre-installed. I installed Ubuntu 20.10 and completely remove Windows.
What I've noticed is that ...
- 131
0
votes
2
answers
331
views
Blank screen not properly blank
I have an Ubuntu desktop PC with an nVidia card connected via a DisplayPort cable to an HD screen. My power settings are set to blank the screen after 15 minutes. However, when the screen blanks, it ...
- 183
2
votes
0
answers
180
views
Ubuntu 18.04 Desktop Screen off
I've got a computer with Ubuntu 18.04 Desktop configured with no screen saver and not switch off screen after N minutes, and works fine since the screen is always on.
Now, I want to run an application ...
- 121
0
votes
1
answer
95
views
Ubuntu 18.04 - Screen doesn't to sleep; session doesn't lock
Recently I discovered that my system doesn't let my screen go off, as in power saving mode. I have this setting right as I always did - the usual then 10 minutes.
What happens is that the screen dims ...
- 736
1
vote
0
answers
66
views
Screen Suddenly Going to Screensaver
In Ubuntu 19.10, I do not have the screen saver enabled and indeed it hasn’t been coming on until today when it suddenly started locking after only about thirty seconds, requiring my password to log ...
- 461
2
votes
0
answers
663
views
Screen goes black every few seconds on Ubuntu 18.04
I recently installed Ubuntu 18.04 on my notebook and I have the following problem: My screen goes black every few seconds and when I hit a key on the keyboard in comes back. It is really annoying as I ...
- 121
3
votes
1
answer
1k
views
Disable screen dimming in Ubuntu Mate 18.04.2 LTS
I want to disable dimming of the screen occurring after every about 60 seconds of being idle. I tried going to Menu → Power Management, then unchecked Dim display when idle checkboxes in both On AC ...
- 233
2
votes
2
answers
2k
views
How to blank the screen when laptop lid is closed but without sleeping the computer?
I have XUbuntu 18.04.
I want to close the lid on my laptop and have the screen immediately go blank (black) or off, but the computer itself to remain awake (active [not suspended]).
I've installed ...
- 118
4
votes
1
answer
367
views
No-GUI automatic console screen off when idle
I'm searching and searching and having a hell of a time finding out how to set a workstation install with the GUI disabled, to blank the screen automatically after being idle for a bit.
Anything to ...
- 51
0
votes
0
answers
95
views
Laptop screen goes blank on reducing brightness
Immediately when I reduce brightness, the screen goes blank.
The screen also goes blank when I plug out and plug back in the AC adapter.
Only the screen goes blank, the laptop is on.
And it is not ...
- 156
6
votes
0
answers
607
views
Ubuntu 18.04 go dim despite it's turn off
I have turned off dim screen when inactive, but it doesn't work. I even checked via gsettings get org.gnome.settings-daemon.plugins.power idle-dim if it's really turned off, and the command says, that ...
- 365
1
vote
0
answers
52
views
What keeps turning my screen on?
Running 17.10 64bit on an i5-3570k desktop with GTX 950 video card. I like leaving my system on all day, but having my screen turn off after 10 minutes. This works fine, but, many times throughout ...
- 51
6
votes
1
answer
2k
views
Screen keeps turning off on Ubuntu 17.04 after 30 seconds of inactivity
My screen turns off after 30 seconds of inactivity since I installed 17.04.
I've tried so many ways to fix it, including xset s off and dpms but it hasn't helped. When I type xset q on terminal it ...
- 61
1
vote
1
answer
862
views
How to disable screen dimming when on battery on Ubuntu 16.04
Surely there is a way to do this? What a useless feature. I have tried unchecking "Dim screen to save power" in Brightness and Lock settings but it did not do anything.
- 322
1
vote
0
answers
560
views
Gnome Ubuntu 17 Dim Screen and Blank Screen features not working when unplugged
The "upgrade" form 16.10 to 17.04 has been very rocky for my system. The big issue I'm currently dealing with involves power settings that I believe were working perfectly prior to the upgrade.
I ...
- 121
2
votes
1
answer
2k
views
Monitors wont go to sleep and screen won't lock in 16.04
My ubuntu 16.04 with gnome desktop won't go to sleep or lock the screen. In the power options menu I have set 'blank screen' to 5 minutes, and 'dim screen when inactive' to on. Also, I noticed that ...
- 33
1
vote
1
answer
231
views
screen keeps dimming
Since last week, my screen in ubuntu 16.04 keeps dimming even while I am active. I unchecked the dim screen to save power tickmark in the lock and screen settings, and I am running on AC power too. ...
1
vote
1
answer
1k
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Linux - turn off screen permanently
I want to turn off the screen and keep it off even after a keyboard / mouse input.
xset dpms force off does not do what I want.
vbetool dpms off probably would, but it requires real mode and other ...
- 141
1
vote
0
answers
153
views
Brightness control not working after Power change
Everything was working fine until I tried to change the brightness once. Then whenever I plug in/out power to the laptop Brightness of the screen sets to zero.
I also tried to change the brightness ...
- 11
0
votes
1
answer
693
views
Keep Screen On When Watching Online Videos
I really like Ubuntu 14.04 so far. But when I watch a video on-line, I need to move my mouse every few minutes to avoid screen going black - highly annoying and doesn't make much sense when nearly ...
- 131
3
votes
2
answers
934
views
Auto-off screen only on battery power
This has been asked many times, but never answered.
14.04
Currently there is a function to automatically switch off the screen after the computer has been idle for x minutes.
This setting will ...
- 2,141
0
votes
1
answer
224
views
Why does ubuntu freeze sometimes when I shut my laptop screen
I own a Lenovo Y50 running Ubuntu 15.04 64-bit and sometimes when Ii shut the screen the login screen is displayed after I open it back up again, but it is unresponsive and I can't do anything from ...
- 21
1
vote
0
answers
268
views
Screen Dimming Anomaly
My Lenovo G780 with Ubuntu 14.04 is fine when the AC charger is plugged in. However, when unplugged, if my mouse does not move for ~12 seconds, the screen dims a bit, but this is not detected by my ...
- 11
5
votes
1
answer
2k
views
How do I stop the lock screen from dimming to black?
I've spent a ton of time searching for this on Google, and I still can't seem to find it. Please read fully before answering, because the majority of the answers I'm finding are about preventing ...
- 173
0
votes
1
answer
1k
views
Screen dim while brightness set to max on Xubuntu 14.04 everytime display turns off
I used to have an issue where every time my laptop would return from suspend, the screen was fully dim (as if brightness was at a minimum) even though the brightness setting was set to maximum - so I ...
- 143
9
votes
4
answers
13k
views
How can I keep the computer awake, depending on activity?
I would like to be able to keep the computer awake during certain activities and longer running tasks, such as downloading larger files and watching full screen videos.
I like using Caffeine to keep ...
- 368
2
votes
0
answers
181
views
How can one increase the timeout before the display dims when on the battery?
If I do not touch my computer (a Toshiba Satellite) for 15 seconds when running off the battery, the screen dims to the lowest brightness. I have already disabled "Dim screen to save power." I do not ...
- 21
1
vote
0
answers
181
views
Ubuntu+Gnome3 screen not dimming
I have an Ubuntu installation with Unity and Gnome3.
When I log in using Unity, if the system is inactive for X minutes, the screen will dim.
When using Gnome3 the screen never dims.
Under ...
- 2,126
38
votes
4
answers
26k
views
Is there any way to make a hotkey turn the screen off?
How can I make a script (or make some changes) to allow me to turn the screen off in Ubuntu (12.04) whenever I want, the way thevscreen can be turned off in Cellphones?
And how can I make a ...
- 521
2
votes
1
answer
127
views
Ubuntu 13.04 on Gateway NV57H44u turns monitor idle even when told not to
The screen is shutting off when power settings are NOT set to make it turn off.
I am running Ubuntu 13.04 on an Gateway NV57H44u. For some reason my screen keeps going to sleep (going blank) after 10 ...
- 21
22
votes
2
answers
52k
views
How to prevent my screens from turning off, when the screen is locked?
I would like to have my screen fully powered at all times, but it goes to standby once I lock my PC.
- 2,693
2
votes
1
answer
6k
views
Disable automatic screen dimming
I currently have three computers running Ubuntu. With two of them, If I don't touch the mouse or keyboard... nothing happens. However, with the third, the screen gets dimmer after about 60 seconds of ...
- 1,504
13
votes
6
answers
10k
views
How can I disable backlight when I lock the screen?
When I lock screen, the display does turn black but the display isn't completely off. There is some light coming out of the display in screen lock mode but it get turned off when inactive for 10 ...
- 3,465
1
vote
0
answers
76
views
Ubuntu 12.04: Virtual console is dimmed [duplicate]
My fresh installation (with updates ...) of ubuntu 12.04 (64bit, Desktop) automatically dims the virtual console as soon as a switch to one. After pressing ctrl+alt+fX, the screen starts dimming until ...
- 503
32
votes
7
answers
77k
views
Ubuntu 12.10 "Turn screen off when inactive for: Never" still turns off
After a fresh install of Ubuntu 12.10, my screen still goes off after about ten minutes. I've been to the Brightness and Lock control panel. The Turn screen off when inactive for: setting is set to ...
- 321
5
votes
2
answers
9k
views
reduce Screen brightness in battery mode automatically
KDE and XFCE4 has a program to adjust the screen brightness automatically in battery mode to a preset value.
How can i set the same with Unity ( or Gnome3 )?
- 51
11
votes
7
answers
55k
views
How to make my screen brightness not change when I plug my laptop in
I do not want my laptop to change brightness when my laptop power is plugged in or unplugged. I set my brightness based on how bright my surroundings are. If I am in a dark room, I set my brightness ...
- 300
6
votes
1
answer
979
views
Can you help me write a script to set a new default brightness for the screen/keyboard after login?
On my Macbook Pro Ubuntu alsways boots with...
keyboard brightness at maximum illumination
screen brightness at maximum illumination
...both which I need almost never during normal usage.
Question
...
user24668