Questions tagged [brightness]
Questions related to screen brightness.
1,656
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How do I prevent my laptop screen from dimming when charger is connected and disconnected? (Ubuntu 20.04.2 LTS)
When I plug in or disconnect my charger from my laptop (Acer Inspire 7 N19C5), running Ubuntu 20.04.2 LTS, the brightness changes. I would like the brightness to stay the same when the power is ...
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Brightness slider on top bar not working properly on laptop
I installed Ubuntu 20.04 a couple weeks ago on my Matebook D14 with a Ryzen 5 and I realized that every time I turn on my laptop my brightness slider is set on the lowest brightness setting, but my ...
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3
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Brightness control not working on Legion 5 Pro. Ubuntu 20.04.2 LTS
I know I'm not the only one running into this issue. I have been following a lot of instructions on several posts here and elsewhere. I will sum up what I have tried to fix this.
First my system: ...
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Black screen in recovery mode after adding xorg.conf.d file
I’ve looked at a bunch of the existing questions about black screen and I don’t think this is a duplicate.
I have Ubuntu 18.04 installed on a Lenovo P52 ThinkPad.
I followed the instructions in this ...
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Brightness Keys Not Working on Lenovo Ideapad 5, Ubuntu 21.04
I have a Lenovo Ideapad 5 running Ubuntu 21.04. No matter what I do, the brightness keys do not work.
Output of neofetch:
OS: Ubuntu 21.04 x86_64
Host: 82FG IdeaPad 5 15ITL05
Kernel: 5.11.0-25-...
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608
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Automatic brightness missing from settings in Ubuntu 20.04
I'm running Ubuntu 20.04 on my Thinkpad T495s and I wanted to enable adaptive brightness. However, the automatic brightness is missing from my Settings/Power.
I tried to google and found this ...
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Laptop Ubuntu 21.04 brightness can't be adjusted
I received my new laptop with Ubuntu 21.04 on it, Nvidia 3070 GPU and Ryzen 9 5000 series CPU (with internal GPU). Running kernel 5.11.0-25-generic. Gnome tries to render most things using the Ryzen ...
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Ubuntu 20.04.2 Screen Dims Randomly
I have tried all relevant Settings choices, including
"xset s off; xset s noblank; xset -dpms; xrandr --output HDMI-1 --brightness 1.0" as
ordinary user and root, but the screen still dims ...
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Brightness issue
I need help with my laptop brightness; it is a Huawei Matebook 13.
The Fn1 and Fn2 key bindings for brightness do not work, but the volume ones do work.
I tried with xrandr --output eDP --brightness 1 ...
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How to store a variable for the config file in i3wm?
I'm trying out i3wm and I've got the hang of it so far. I like it but my main issue is xbrightness, which I can't seem to figure out. I've tried the configuration and never got it to work even though ...
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Lenovo Ideapad gaming 3, can't adjust screen brightness with Ubuntu 20.04 or 21.04
This question is similar to quite a few others here, and I've tried a few things without luck. A brand new Lenovo Ideapad works like a charm with Ubuntu 20.04 (later updated to 21.04), except that the ...
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No way of changing the screen brightness in Ubuntu Studio 20.04 LTS on a acer TravelMate
I am working on a Acer Travelmate 5360G with dual boot, Lubuntu 18.04 and Ubuntu Studio 20.04. In 18.04 I could not change brightness with Fn + ArrowLeft and Fn + ArrowRight, but I made a little ...
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Brightness get 0% at login screen
I use Ubuntu 20.04.2 LTS. My laptop screen brightness get 0% at login screen after restart every time. When login screen first time appears the brightness level is ok but 1 second later goes to 0. I ...
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How to fix brightness set to zero at startup?
Everytime I reboot my pc, my brightness is at the lowest value, making the screen really dark at startup. How can I prevent this from happening? I would like to have higher brightness at startup.
this ...
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20.04: Adjust display brightness in smaller steps with brightness buttons
The buttons work (out of the box) and brightness is preserved (with acpi_backlight=vendor in GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub and sudo update-grub).
Brightness is controlled between 0 ...
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Acer nitro 5 AMD Ryzen 5000 series Brightness problem in 20.04 Lts ubuntu
Can anyone please help me to solve the brightness problem.I. can't change brightness in ubuntu 20.04 ubuntu. It's always in full brightness.Please anyone help me.
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How to debug slow keyboard sound and brightness Ubuntu 20.04
I got a really nice new laptop (no bragging here). Checked all was working and installed Unity. I have some issues and I would like to know how can I debug them:
On restart, brightness levels are not ...
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Screen goes black after waking from suspend on Lubuntu 21.04
The screen of my laptop goes black when it wakes up from suspend. I don't think that the laptop freezes because I can do REISUB. I suppose it's a problem with the brightness, but I could be wrong.
...
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3
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Issues with brightness on Lenovo Legion 5 brightness (with Intel + NVIDIA)
I have Lenovo Legion 5 (i7 + 1660 Ti). All works fine, but brightness control doesn't work at all. I've tried all fixes from forums and can't solve this problem. The last kernel didn't fix this ...
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Internal display unclaimed ubuntu 20.04
I'm a complete novice when it comes to Linux, this is my first time installing Ubuntu.
I've Msi Bravo 15.
CPU: AMD Ryzen 5 4600H
GPU: AMD Radeon 5500M
I'm unable to change the brightness of my screen, ...
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Brightness goes to max after every boot ubuntu 20.04
I can control the brightness when i'm working on the OS but during startup it always resets to maximum brightness. Can anyone please provide me with a solution so that my past brightness preference is ...
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How to turn off dynamic brightness - Ubuntu 18.04.5 - Dell G5 w/ Nvidia GeForce RTX 2070
I don't know if this is software or hardware related. My screen brightness changes based on what is seen on the screen. So it fluctuates while changing window to another or scrolling up and down. This ...
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Brightness resetting to max even as I write this question
A really strange phenomenon is plaguing me [innocently working on my laptop] for the last two days. The brightness keeps resetting periodically (probably every 1-2 minutes) to the highest possible ...
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Brightness goes to minimum if I press the brightnrss control button after each boot
After the boot, the brightness is always maximum. Whenever I press brightness control button (function keys), my brightness automatically goes to minimum. Then I have to manually adjust it. It couldn'...
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200
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How to enable gamma settings for second monitor?
I would like to change gamma settings for the second monitor because it's too bright. On Ubuntu color calibration was kind of a pain because you required a calibrating device. KDE looks a lot ...
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screen brightness hotkeys worked live - not with installed
big thanks for the new Kubuntu 21, just installed this on my new Asus VivoBook-X513EA.
During the live session, when I tried Kubuntu the screen brightness hotkeys were working. But now in the ...
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698
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Brightness control is not working AMD (Ubuntu 21.04)
got the problem with not working brightness control (Ubuntu 21.04). Tried updating grub but no result from this post.
Graphics card AMD radeon Vega 11.
Thanks beforehand
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Lenovo legion 7 16ACHg6 (2021) backlight brightness control problem
I have a Lenovo Legion 7 16ACHg6 (2021) which was only released recently.
It has AMD 5800H with NVIDIA RTX 3060 GPU.
One of the issues I found is that backlight brightness control is not working.
I.e. ...
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141
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Unknown display error ubuntu 18.04 (ryzen 5 4600h processor huawei matebook)
I installed ubuntu version 18.04 on my computer but I get an unknown display error, I can't change the screen resolution, I can't change the screen brightness, I tried all the solutions available on ...
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Brightness control not working on Lenovo Ideapad Creator 5 Ubuntu 20.04
I have this laptop: https://laptopmedia.com/review/lenovo-ideapad-creator-5-15-review-fresh-alternative-for-professionals-on-the-budget/
It has NVIDIA GeForce GTX 1650.
I never had the brightness ...
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99
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Set custom shortcut keys for brightness on iMac 2011 Ubuntu 20.10
It works on the slider and it previously worked on a keyboard that had brightness keys. My new keyboard does not have dedicated keys. So I want to add a keybind in settings -> keyboard shortcuts -&...
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I can't change brightness after trying to install amdgpu on ubuntu 20.04.2 LTS
I tried to install amdgpu but it failed . After that i couldn't change screen brightness.I uninstalled the driver, tried all sorts of methods but it didn't work.Even after installing linux kernel 5.8....
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47
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Screen brightness turns to the minimum when I try to change it
I have a dual monitor setup, one is my laptop's screen and the other one is a normal monitor.
When I start up Ubuntu everything's fine, but when I try changing the brightness of my laptop's monitor (...
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2k
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How can I control Gigabyte Aorus 7 laptop backlit keyboard?
I have just bought a Gigabyte Aorus 7 SB laptop and installed Ubuntu 20.10.
The laptop has an RGB backlit keyboard. It comes with Windows 10 and an a windows app to change backlight colours and ...
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Legion 5 pro brightness control doesn't work on ubuntu 20.04 with nvidia driver 460
My laptop seems to be on max brightness and the brightness control slider/Fn keys have no effect on the screen brightness except showing a pop-up notification of the slider. This problem isn't really ...
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1
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540
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Bad screen quality on new asus notebook
I bought a new Asus Vivobook. I installed Ubuntu 20.04 and when I connected my monitor via HDMI I saw that the screen quality is not so good. The brightness seams to high and the gamma (looks very red-...
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Ubuntu 20.04 slider brightness
I use Ubuntu 18.04.Right now I'm using VMware , I'm running Ubuntu 20.04.2 just to see any differences between 18.04 and 20.04 and I don't see anywhere the brightness slider.Do you know why?
Thanks.
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Cannot change screen brightness in 20.04 using Wayland
I have an XPS-15 7590 and I'm using Wayland. I've always had issues with the brightness with this laptop but now that I'm using Wayland, I cannot change the brightness at all. It is at 100% and ...
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0
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Changing brightness settings has no effect on Ubuntu 20.10
Note: This is not a duplicate of Ubuntu 20.04 brightness adjust not working, Cannot change brightness (Ubuntu 16.04 LTS and onward) or Unable to change brightness in settings because the answers do ...
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Why the screen brightness goes to the lowest all on a sudden?
I have been using Ubuntu 20.04 LTS, but for some days, I am experiencing that all on a sudden my screen brightness goes to the lowest while I'm using it, and it stays like that, no change until I shut ...
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Brightness changing problem according to content in Ubuntu 20.04
Brightness of my monitor automatically changes according to content of windows in Ubuntu 20.04. For example, when I go from black content to white one, It is brightening up to 100% slowly. Then, after ...
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Trouble using function keys to change screen brightness, sleep and adjusting keyboard backlight on ROG Zephyrus G15 running Ubuntu 20.04 LTS
I installed Ubuntu 20.04 on my ASUS ROG Zephyrus G15. I am not able to use the following keyboard action keys shortcuts(Fn+Function keys):
Screen brightness(Up:Fn+F7 / Down:Fn+F8)
Keyboard backlight(...
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eDP-1-1 to eDP-1
I am currently running Ubuntu 20.04 with 5.11 kernel on a dell xps 15 9500 with i3 wm.
Since yesterday I'm having a problem about the laptop monitor: it is no longer seen as eDP-1 but eDP-1-1. This ...
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600
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Change screen brightness increment
I am on a stock Ubuntu 20.04 LTS machine with gnome. Using the brightness controls on my keyboard ('fn' + left/right arrow keys), I can adjust the screen brightness up or down (this brings up a gnome-...
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1
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4k
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Install graphic driver for AMD Ryzen 7 5800U APU
I have brand new HP Zhan (hp probook 445 g8) with AMD Ryzen 5800u.
The screen brightness is not adjustable, the HDMI and USB-C ports doesn't work. I can't connect to external displays.
I'm using ...
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2
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4k
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unable to change brightness on amd integrated gpu
I am using i3 window manager on ubuntu.
My laptop has an AMD CPU and integrated GPU and class is amdgpu_bl0.
please help me with the command to change the brightness so that I can bind that in config.
...
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1k
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Unable to adjust display brightness in Ubuntu 18.04
I use an HP laptop with an AMD R7-5800U CPU and Ubuntu 18.04, and I can't adjust display brightness with kernel versions 5.4 or 5.10.3.
I also tried other solutions, including adjust the brightness in ...
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Graphics and fn keys problem with Lenovo and Ubuntu
I set up a dual boot with Ubuntu. But my laptop model is not quite supported within Linux. I have a serious problem with graphics, I don't have a control over the graphics, I can't control the ...
3
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xrandr: Failed to get size of gamma for output default
Problem:
I can't adjust my brightness in ubuntu 18. The keyboard buttons, the slider, the terminal commands, none of them are working.
What I've tried:
installing an application, but it had no effect....
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1
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how to adjust screen brightness in ununtu 20.04 LTS from terminal
I have installed xbacklight and am getting 'No outputs have backlight property' on executing
xbacklight -set 50 OR
xbacklight +10
My system directory: /sys/class/backlight is empty
I have seen some ...