Questions tagged [brightness]
Questions related to screen brightness.
1,644
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Brightness doesn't change
At first my laptop didn't fully shutdown so I edited grub file GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset" and that worked pretty well. But, I found out that brightness no more ...
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What is the sd-bright task, and why will it not freeze?
When I close the lid of my Acer Nitro laptop, I see this in my journal:
systemd-logind[628]: Lid closed.
systemd-logind[628]: Suspending...
...
systemd-sleep[2396]: Entering sleep state 'suspend'...
...
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Cannot find the brightness controller
The default brightness controller is supposed to be visible here:
But it is not visible.
Following is my system configuration:
I have also a NVIDIA RTX 2060 Super GPU. Following is its configuration:...
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Laptop screen Dims after getting unplugged, can not change it unless with a reboot Kubuntu 22.04
Anytime I unplug my laptop it gets dimmed, however even if I press the brightness keys or change the brightness slider OR PLUG IN my laptop, it will not change, the only way to get it back to normal ...
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UBUNTU 22 + NVIDIA second monitor brightness issue
I have a second monitor connected to the laptop and EVERY TIME I start the computer I am forced to set the screen brightness as the setting is always set back to the default Brightness 0, Constrat 0, ...
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69
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How can i fix Brightness adjustment on iMac 11.2 under Ubuntu 22.04.3 LTS ? The brightness still at his max
I'm new to Linux, and I don't know much about commands, I have an iMac 11.2 Intel® Core™ i5 CPU 680 @ 3.60GHz × 4, RAM 12 gb on which I installed Ubuntu 22.04.3 After solving the ventilation problem ...
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Ubuntu 22.04.3 LTS : Brightness slider not showing
Brightness slider is not showing beneath the sound slider in the topbar
I first installed ubuntu 20, brightness or anything relateted to brightness was not working, (I tried installing brightness ...
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66
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Lenovo Legion Slim 5 reboots when change brightness from keyboard
I have Lenovo Legion Slim 5 laptop with Ryzen 7 and RTX 4060 (2023) and Ubuntu 22.04.2
Problem: when I change display brightness with a keyboard hotkeys, laptop spontaneously reboots.
Brightness is ...
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intel_backlight directory does not exist in ubuntu 22.04
Previously I'd been changing my laptop screen brightness by directly changing the value of /sys/class/backlight/intel_backlight/brightness; But recently I noticed that intel_backlight directory is ...
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Brightness bug on iMac14,3 I leave to see Brightness control on Ubuntu 22.04.3
Just one day I started computer and I leave to see brightness control and the screen looks dark, and I can't find way to revolve, I restarted.
There is a way to resolve without reinstall all programs?
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Keyboard Brightness control not working on Lenovo IdeaPad 5 15ITL05. How to solve?
Running Ubuntu 22.04 on a Lenovo IdeaPad 5 15ITL05.
11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz × 8
Nvidia MX450
Graphics shows up as NVIDIA Corporation / Mesa Intel® Xe Graphics (TGL GT2)
X11/Xorg - ...
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231
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Ubuntu 22.04 after update screen brightness control disappeared from the bar and brightness is at 100%
I have Ubuntu 22.04.3 LTS running in my Dynabook laptop Intel i7-1165G7 as my daily development machine.
Today, back to work after a few days of vacation, I did sudo apt update and sudo apt upgrade.
...
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After installing Ubuntu 22.04 my keyboard backlight stopped working
Recently, I installed Ubuntu on my galaxy book 3 360 and the backlight of the keyboard doesn´t work anymore. When I power my laptop all the keyboard lights up, so they are working but after sometime ...
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Bind a shotcut to temperature color adjusment (night mode activated)
I would like a hotkey/shotcut/keybinding to turn up or down the color temperature of the screen. Since I always have the night light mode enable but trough the day I just change it manually if I can't ...
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136
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Cannot get brightness keys to work on Ubuntu 22.04 / Lenovo IdeaPad 5
I have IdeaPad 5 15IAL7 on Ubuntu 22.04 LTS, kernel 5.19.0-46-generic. It is Intel Core i5 with Intel Iris XE graphics.
Special Fn keys all work, except the brightness. Volume is changing with ...
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After dim screen it doen't turn on back
I noticed this problem the first time on a new laptop, on which I installed kubuntu 22.04. I unplugged the power cord and after 5 minutes of inactivity the screen went out. Then I found the ...
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Having a set of troubles in Ubuntu 22.04.2 LTS / GNOME 42.5
Im having the following troubles and in need of help.
At boot, it will show a black screen before coming to the login screen. then show the login screen twice (uneditable) and return to the black ...
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97
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Brightness function keys not working in 22.04
I recently updated the BIOS (1.30.0) of my Dell Latitude 5480 laptop running with Ubuntu 22.04.
Now the screen is darker (I can see the change while booting) and even xrandr --output eDP-1 --...
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54
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How do I fix inconsitent brightness with HDR turned on?
I have this weird issue with my monitor. I have the HDR turned on. And while adjusting my screen, if I changed the color/brightness slider in monitor settings or nvidia settings in ubuntu, it gives me ...
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348
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Brightness control not working with Ubuntu 22.04 on Lenovo X1 Yoga (OLED display)
Using the brightness control Fn+F5 and Fn+F6 is showing a bar that changes the status, but the screen brightness does not change on Ubuntu 22.04 on Lenovo X1 Yoga Gen 2. I can see the brightness ...
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89
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ViewSonic XG2431 cannot change brightness (Ubuntu 22.04)
I recently purchased a ViewSonic XG2431 and while using it, I noticed I cannot change the brightness. I am running Ubuntu 22.04, so I did not install any drivers. The monitor was able to connect to my ...
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311
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No screen brightness slider on Ubuntu 22.04
Since I installed Ubuntu 22.04, I can't change my screen brightness as there is no slider nor such configs under settings > power. I have no idea what to do.
Already tried to edit grub sudo gedit /...
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68
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Can't Change Brightness on Ubuntu 22.04.2 on Start Up Only
I have Ubuntu 22.04.2 and whenever I turn on my computer, I'm unable to change the brightness using the keyboard keys. However, I can change the brightness using the slider in the top right corner. ...
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42
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Brightness Slider Not working in Ubuntu 22.04.2
I have intel CPU and NVIDIA GPU and have tried Every Solution posted on net and nothing works for me. Tried editing the NVIDIA and AMD file in xorg.cong.d and installed software to change the ...
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26
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problem to reduce screen brightness
I installed Ubuntu 20.04 and I'm having trouble turning down the screen brightness. The brightness is always at maximum. I've tried the brightness settings and the keyboard (fn) but the brightness ...
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339
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Acer Nitro 5 brightness problem in 22.04.2 LTS
Screen is always in full brightness. The slider is visible and can be used, but it does not change the brightness of the screen. I installed the drivers that are on the official nvidia website, and I ...
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80
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How do I enable changing the backlight brightness on my laptop? (Kubuntu)
I recently installed Kubuntu 22.04 with KDE on my Pixelbook (2017), and the backlight of the monitor either is at maximum brightness, or off.
I have tried manually changing values in /sys/class/...
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93
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xbacklight : after I execute it, nothing happens and no output is displayed
I want to manipulate my screen brightness using cli. And the most popular solution I found so far is xbacklight.
But unfortunately it doesn't work.
I tried executing
xbacklight -dec 50 but to no avail....
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79
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What software is available to dim the screen brightness and contrast?
Is there any software for Ubuntu 22.04 to dim the screen with control over hue, gamma, saturation, brigthness and contrast?
I work in this desktop environment 10 hours a day so I need a low level of ...
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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 ...
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23
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Thinkpad L14 G4 AMD Keyboard backlight slider is not displaying proper value under Ubuntu 22.04
I have a problem with my new Thinkpad where the backlight works but the 3 states are not properly shown on the slider when pressing FN+Spacebar. They're off by one, as in the keyboard backlight will ...
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20
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Thinkpad L14 G4 AMD Keyboard backlight slider is not displaying proper value under Ubuntu 22.04
I have a problem with my new Thinkpad where the backlight works but the 3 states are not properly shown on the slider when pressing FN+Spacebar. They're off by one, as in the keyboard backlight will ...
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2
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Brightness adjustment doesn't work on Ubuntu 23.04. Device: Lenevo Legion 5
I am new to ubuntu. After complete installation, everything works properly expect that i can't adjust brightness. The sound control is working properly. But I can't reduce the brightness and its too ...
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347
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Brightness Controls not working on HP Victus 15
I have a HP Victus 15 Laptop with Ryzen 7 5800H and RTX 3050. I have tried to install multiple distros (Ubuntu 22.04LTS, Pop_OS 22.04LTS, Fedora 38, currently on Ubuntu 23.04) on this laptop to dual ...
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Screen brightness not dimming before screen blank on ubuntu 22.10
I tried to dim screen brightness below minimum.
did change values in /sys/class/backlight/intel_backlight/brightness....
now screen brightness is not dimming before screen goes blank on ubuntu 22.10. ...
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70
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diagnose nvidia-525 driver brightness control
i have a problem with my brightness controlling in Ubuntu 22.04 and actually i cant find where is it comes from. i have a disordering brightness level when i try to change it. the brightness level ...
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150
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Low screen brightness after instaling NVIDIA drivers
Firstly, sorry for my English.
I use HP Victus 15 Gaming with 3050 Ti.
I installed Ubuntu 22.04. Then, I installed NVIDIA drivers.
But screen brightness decreased substantially. I set max brightness ...
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233
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Cannot change brightness Ubuntu 22.10, Razer Blade 15 2021 Advanced
I have scoured the internet, but have not found a solution that works. I downloaded ubuntu for a machine learning workload. However, I am unable to get my brightness controls to work properly. The ...
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Brightness control keys don't work on Ubuntu 20.04
Pressing brightness increase button opens the search bar which used to open after pressing ctrl+F in Ubuntu 20.04. Brightness decrease key does not work. I am controlling brightness from the settings. ...
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Brightness being weird. The lower it gets in the scale the higher the brightness. Its too low to work also
I have an HP VICTUS 15 Ryzen 7, GForce RTX 3050.
I has multiple issues all during the dual boot installation of ubuntu. I had to do the Ubuntu (safe graphics) option instead of the Try and Install ...
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116
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Lubuntu 22.04.2 LTS (Jammy Jellyfish) shortcut keys are not working for brightness
The shortcut keys for brightness worked great with Lubuntu 20.04.5 LTS (Focal Fossa) but do not work with Lubuntu 22.04.2 LTS (Jammy Jellyfish). I use F1 (dimmer) and F2 (brighter).
I am disappointed ...
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70
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moving the brightness bar changes the brightness in a wierd way
I never had this issue before with the same laptop and same Ubuntu.
After using an external monitor I came back to the laptop monitor and nvidia was not working anymore, so I purged everything and ...
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51
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Brightness Control doesn't work anymore after ubuntu installation
Os:Ubuntu 22.10, NVIDIA Driver 390
After the ubuntu installation the brightness slider and hotkeys stopped working, when I press the hokey button on my lenovo w520 with an i7 and a nvidia quadro 1000m ...
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257
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Screen flickering since upgrading to ubuntu 22.04 LTS (acer aspire S6-371-70PS) (already at 20.04 LTS)
The screen flickers as soon as the brightness dampens (e.g. because of a long pause or when I reduce it manually) on my notebook. But when set to full brightness, the screen doesn't show any ...
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71
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Shortcuts for display gamma/brightness adjustment?
Lubuntu 22.04.2 on an old Atom N550 netbook; I can control the display backlight via the settings menu and the hardware buttons, but I need it even dimmer, so I use the lower slider (labeled ...
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51
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Cannot change HDMI brightness on ubuntu 22.04
I cannot change by any mean the brightness of a monitor connected through hdmi to an AMD rx 550 videocard on ubuntu 22.04. I used to be able before changing a now dead geforce, I did a fresh install ...
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151
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No wifi and display brightness options after removing Nvidia graphics drivers
I installed Ubuntu 22.04 few days ago. Everything was normal, but today I just installed NVIDIA graphic drivers as I have a graphics card in my laptop and then during rebooting I encountered with ...
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175
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Ubuntu 20.04 - brightness of all apps get dimmed after login
My issue is similar to Screen Brightness 0% at login, dims at boot except it is on desktop. Screen brightness is full on login prompt screen.
Next I hear a beep sound.
Click here to listen beep
After ...
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165
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How to get brightness keys to work in Ubuntu 22.10 GNOME 43.1
The brightness slider in the system menu works just fine, so do all the media control keys.
Airplane mode key faces the same issue but isn't as much of a bother.
I have tried multiple solutions ...
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111
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External display brightness dim - Ubuntu 22.04 LTS
System configuration:
Dell XPS 13 9310 2-in-1 laptop
Intel i7 11th Gen
Mesa Intel XE Graphics (TGL GT2)
Ubuntu 22.04 LTS 64 bit
Gnome version 42.5
Wayland windowing system
External displays used:
...
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