Questions tagged [brightness]
Questions related to screen brightness.
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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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2
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Display brightness goes way up on suspend
Title says it all. When I lock, it stays the same, but if I suspend I'd say its going +100% brightness or idk what to call it. If I set the brightness to 0 I get a grey screen, if I set it to 1 I get ...
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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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1
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Change screen luminosity [Ubuntu Server 22.04.1]
I'm trying to change the luminosity of my laptop running ubuntu server. tried using xbacklight -set 30 but it will return RANDR Query Version' returned error -1 still does not change the brightness, ...
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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 ...
216
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How to change LCD brightness from command line (or via script)?
To work around bug #1005495 (changing LCD brightness via hotkeys impossible), I'd like to have one command line query for increasing and one for reducing the brightness of my LCD. I could then map a ...
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Logitech MX Keys brightness keys does not work
I recently bought Logitech's MX Keys keyboard. The keyboard seems to be working fine with Linux (Ubuntu 20.04, i3wm) except the brightness keys (Fn+F1and Fn+F2) are not working. These keys work on ...
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Changing the screen brightness of the external screen
I have installed Ubuntu 16.04 LTS on my laptop and connected it to an external monitor via an HDMI cable. I can easily change the brightness of the laptop screen but that does not affect the ...
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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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46
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10
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Decrease Backlight Below Minimum
I have this laptop that doesn't handle the backlight very well.
In /etc/default/grub, I have added a acpi_backlight=vendor function to get it to work at all. Which is cool, and the backlight now ...
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Artificially increase maximum screen brightness
I have my laptop set to maximum brightness, but it's not bright enough. Is it possible to somehow make it brighter?
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brightness control with ddcci and gnome slider
I have connected an external touch to my mini pc. DDCCI module seems to work for me.
eg
echo 90 > /sys/class/backlight/ddcci5/brightness
results in a change of brightness. But unfortunately I ...
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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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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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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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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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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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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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1
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Lenovo Legion 5 Pro 16ACH6H brightness control problem with Ubuntu 22.04
enter image description here
I just got a new installation of Ubuntu 22.04. The screen brightness control not working. The configuration of the machine and linux distro in the image.
*** I followed ...
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How to stop screen from dimming when power cable is unplugged?
On HP Pavilion with Ubu 14.04 LTS, screen automatically dims when power cable is unplugged. I sometimes want to have maximum brightness, even when power cable is unplugged, for personal reasons.
How ...
CommunityBot
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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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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 problem on 22.04 LTS Amd ryzen 5600 with radeon graphics and NVIDIA RTX 3050
After installing Ubuntu 22.04 LTS on my DELL g15 5515 (With Amd ryzen 5600 with radeon graphics and NVIDIA RTX 3050 configuration) I installed the nvidia drivers 510.
I'm not able to change the ...
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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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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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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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20
answers
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Brightness not working after installing NVIDIA driver
I recently installed Ubuntu 11.10 on my Mac Book Pro 7,1. I installed the NVIDIA driver (285). The brightness keys are working (F1 and F2) and I get the box showing the brightness but it does nothing. ...
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Brightness problem on Ubuntu 20.04 (System panel works, but nothing change)
I just installed ubuntu 20.04. Backlight control works through the brightness applet and works via hotkeys, but nothing change, the display brightness remains the same. Here's what I've done:
...
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Is there any brightness control for desktops?
I'm using Ubuntu Trusty tahr and I've noticed that there is no brightness control (like a slider), In windows I'll use Intel's graphics media accelerator to reduce brightness but here it looks ...
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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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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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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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Brightness goes to max while watching youtube after setting it to a lower values using xrandr in Ubuntu
I changed my brightness to a particular value using xrandr. But when when I start playing a youtube video, it goes to max automatically. This only happens the first time.
The command I used is
xrandr -...
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'Automatic brightness' option is missing, is there has any alternatives?
On the previous versions of ubuntu, there was an 'Automatic brightness' option to turn off/on the automatic brightness. Now this option from 'power saving' is missing and I want to turn off the ...
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Ubuntu Brightness issue HP VICTUS ryzen 7 GRTX
have an hp victus 15 gaming laptop (dual gpu) and as soon as I booted up linux the screen went dim. BIOS menu and hp victus symbol remains bright every time I boot it up until the distro icon pops up, ...
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adjust external monitor brightness from command line [ubuntu 22.04 wayland] (xrandr not working)
I'm in the process of moving from a machine running 20.04 (windowing system X11) to a new one running 22.04 (windowing system Wayland), and I have not been able to find a functional method for ...
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nvidia backlight brightness problem
Problem
Unity shows control while I press the Fn+Increase/Descrese brightness, but nothing happens. In console brightness doesn't work too while X server is running.
Checked solutions
I have tried ...
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Adjust brightness of a MSI laptop in Ubuntu 16.04
I just installed Ubuntu 16.04 for the first time a week ago. I can't adjust the brightness of my laptop, and my eyes often shed tears after using it for one or two hours. Can anyone give me some ...
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658
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Adjusting screen brightness requires sudo
I have the issue, that after waking up from suspend, I often can't change the screen brightness via the fn buttons. Installing brightnessctl and trying to adjust the brightness via command line told ...
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Ubuntu 18.04.6 Intel Irıs XE
I have installed Ubuntu 18.04 recently.Then I assumed that it is not working properly. So ı have started using 22.04 version. But ı have to use 18.04 cause of ROS melodic. (I have a project to modify)....
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Brightness control in SwayWM (i3wm wayland)
So, I have the laptop without buttons on the keyboard for brightness control and when I try to change my config then these shortcuts are not working. Any ideas? # Sreen brightness controls
bindsym $...
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ImageMagick-6, how to adjust brightness of background only of scanned page, without touching the text
I have a pictures of scanned book, jpeg format. All pages have gray backround with some noise, due to grayscale mode used when scan. ImageMagick-6
Image info:
Resolution: 200x200
Colorspace: Gray
Type:...
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Can't connect to wifi in normal boot
I've been using this laptop for over a year now, with Ubuntu 20.04 installed. The wifi card is Wi-Fi 6 AX200. Since last week's ubuntu update (I regularly run sudo apt update), the WiFi wouldn't ...
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2
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Auto dimming laptop keyboard backlit when idle
On Windows 10, my laptop's keyboard backlit automatically turned off after a minute or so of inactivity. As soon as any activity occurred, they turned back on.
On ubuntu, if I run the following
echo ...
2
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0
answers
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How to make keyboard backlight controls work in ASUS FX503VM?
Hello Ubuntu community.
I've recently purchased the ASUS FX503VM laptop and I've managed to solve most of the "problems" so far in Ubuntu 18.04.
The one that is bugging me for a week now is the ...
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3
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I accidentally clicked on zero brightness
I am using Ubuntu 18.04 (just transferred from Windows 10) and I dropped the brightness range slider to zero, now my screen is black, mouse light and all indicating lights are on just screen is black. ...
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Ubuntu 22.04 laptop brightness keys not working
I have a Lenovo Legion 7 laptop with Nvidia RTX 2070 GPU and the brightness keys on the laptop do not change the brightness at all (it stays on max brightness it seems). I tried adding some parameters ...
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Brightness control "Up"/"Down" with xrandr (Ubuntu 22.04)
I am happily using the "brightness" command to control my TV as my primary display right now. But since I am working in a somewhat dim environment I was wondering if there is a way to not ...
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Laptop screen dimming after 15 seconds of inactivity after base update
Good Morning,
I, as of yesterday, installed the latest kubuntu base update, and it has caused my laptop screen to dim after 15 seconds of inactivity, which includes things like gotomeeting, zoom, ...
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Help fix booting error: "Could not resolve symbol [\_SB.PCIO], AE_NOT_FOUND" after dual boot (with windows) installing ubuntu 22.04.01
As mentioned in the title, I recently installed ubuntu 22.04.01 in my Lenovo Legion 5 (bios version: H1CN47WW) laptop dual booting with windows 10. From the start there has been an error message while ...
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