Questions tagged [brightness]

Questions related to screen brightness.

Filter by
Sorted by
Tagged with
0
votes
1answer
45 views

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. ...
0
votes
0answers
15 views

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 ...
0
votes
0answers
25 views

GNOME power preferences application

Ok, I am asking this because I couldn't find anything on internet or S.E, or the newest post I found is from 2011.. I recently install Ubuntu 20.04 on my laptop (Lenovo ThinkPad), and I noticed that ...
0
votes
0answers
35 views

Battery and Screen Issues after switching from Windows 10 to Ubuntu (Lenovo Ideapad)

I recently switched from Windows 10 to Ubuntu 20.04.2 LTS on my Lenovo Ideapad L340. I have discovered some problems though: On Windows there was this utility called Lenovo Vantage which could change ...
0
votes
0answers
39 views

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 ...
0
votes
0answers
11 views

OSD delay only when rising ot lowering brightness

My screen just freezes for like a second when I raise or lower the brightness and the gui showing the brightness level pops up a little later. The lag is huge when I make huge changes to my brightness ...
1
vote
1answer
15 views

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 -&...
0
votes
0answers
49 views

Can't adjust brightness in Ubuntu20.04

My computer is Dell Inspiron 7590, with Nvidia GTX 1650 and Intel UHD 630. I know there have been a lot of similar issues about the light control problem, but none of them can fix my problem. The ...
1
vote
0answers
19 views

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....
0
votes
1answer
24 views

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 (...
0
votes
0answers
42 views

Lost brightness control after plugging in USB headset

Recently I've spent a few nights to install and fine tune ubuntu 20.04 on my brand new laptop (Lenovo ThinkBook 14 G2). The result was awsome... just until today, when something bad has happened - the ...
0
votes
0answers
60 views

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 ...
3
votes
3answers
448 views

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 ...
0
votes
0answers
14 views

System possibly detecting 2 monitors - Nvidia graphics issues

Here are my issues broken down, then I go into more depth below. I'm very stuck with what to do and the system is hard to use at times as it is. 1: --- Black screen at Login 2: --- In game brightness ...
0
votes
1answer
76 views

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-...
0
votes
1answer
30 views

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.
0
votes
0answers
12 views

Adjustable in-game brightness locked when in native resolution and full screen - Nvidia / Open GL related?

I have recently got a new desktop computer with the main improvement being the graphics card. I am aware many of the games I play are very old, but I still don't see why this specific problem should ...
0
votes
0answers
31 views

Can't change brightness when running Nvidia proprietary driver

I use NVIDIA GeForce GTX 1650 Mobile / Max-Q in my laptop. In Ubuntu's Software and Updates > Additional Drivers I can peak between proprietary and open source drivers. When running proprietary ...
0
votes
0answers
38 views

Ubuntu 20.04.2 LTS with Legion 5i Screen Brightness

I've had the issue since I bought this laptop. Initially tried 6 months ago with installing Linux Mint. Had so many issues I decided to go with Windows. I'm now on Ubuntu. It's great, but the only ...
0
votes
0answers
52 views

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 ...
1
vote
0answers
44 views

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 ...
0
votes
0answers
31 views

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 ...
1
vote
0answers
26 views

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 ...
0
votes
0answers
12 views

Screen brightness not responding, can't see anything

I have a HP 15 notebook 15 that had Windows10 . It runs on Intel Celeron I am new to Ubuntu. Screen brightness not responding, can't see anything. I have a Ubuntu20.04.1.
0
votes
0answers
13 views

How to make a screen dim smoother/slower after a period of inactivity

I am running my laptop on Kubuntu 20.04 LTS. Of course, the system has the possibility to gradually dim the screen after a period of inactivity. However, this happens in abrupt steps, which, ...
0
votes
0answers
26 views

How to adjust only certain colors in Shotcut video editor

I am using Shotcut 21.2.27 video editor on Ubuntu 18.04. I'm not an expert in digital video. Sometimes I need to adjust a video this way, for example: reduce the saturation of reds but at the same ...
0
votes
0answers
25 views

Set keyboard backlight to 100% at startup

I am trying to change the keyboard backlight level to 100% at startup and there are many answers here on AU and none of them have worked for me. The answer that comes closest is trying change the ...
0
votes
1answer
116 views

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(...
1
vote
0answers
36 views

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 ...
1
vote
0answers
34 views

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-...
0
votes
1answer
191 views

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 ...
1
vote
1answer
77 views

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. ...
1
vote
2answers
73 views

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 ...
1
vote
0answers
49 views

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 ...
0
votes
0answers
17 views

Screen brightness level re-sets anytime a short inactivity period causes it to fall

I raise the brightness and whenever there is a short period of inactivity it falls, moving the touch pad makes it return to the previous setting, so I have to raise the brightness anytime I stop ...
0
votes
0answers
70 views

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....
0
votes
1answer
55 views

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 ...
0
votes
0answers
28 views

Ubuntu behaves weirdly when press some keys

When I press any one of these keys ( left-ctrl,Tab, t, y, [/}/} ) it will automatically increases the brightness untill press the alt key.When I press alt key it will stop. Why this is happening? And ...
0
votes
0answers
40 views

Hardware adjust screen brightness

I have a Toshiba Satellite C855-22u with Ubuntu 20.04 Desktop on it. Actually the keyboard buttons to change brightness level (Fn+F2 and Fn+F3) aren't working, unlike the other control buttons, i.e. ...
1
vote
1answer
224 views

Brightness and volume control not working on ubuntu 20.04

I have newly installed Ubuntu 20.04.2.0 LTS on my laptop (Asus Zephyrus G15, AMD 5900HS, Nvidia 3070). Two major issues I'm having trouble fixing: Neither the brightness slider in ubuntu nor the ...
1
vote
2answers
52 views

Why is my monitor brightness so low, even though I set xbacklight at 100%?

I don't know why, but I'm unable to set the brightness to more than 30%. The package xbacklight does receive the command to set brightness at 100%, but it never actually happens. Interesting fact: if ...
2
votes
0answers
623 views

Failed to start Load/Save Screen Backlight Brightness of backlight:acpi_video0

As what title shows, I see this message at the screen of booting system. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen Backlight Brightness of backlight:...
0
votes
0answers
33 views

Brightness Control inverted? In ubuntu 20.04?

when i press my brightness key to increase it will decrease the screen brightness , graphical control slider also like that? What happened here please Help neofetch .-/+oossssoo+/-. ...
0
votes
1answer
40 views

Brightness Control inverted? ubuntu 20.04? [duplicate]

I recently update my ubuntu kernal to 5.10.13-051013-generic after the installation , when i press my brightness key to increase it will decrease the screen brightness , graphical control slider also ...
0
votes
1answer
92 views

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 ...
0
votes
0answers
37 views

Screen brightness wont change in Ubuntu 20.04

I recently dual booted Ubuntu 20.04 alongside windows 10 on my lenovo legion 5i. However I noticed that After the verbose messages on selecting Ubuntu in GRUB the screen goes black for around a ...
0
votes
1answer
52 views

Brightness automatically goes to full whenever I log in

Whenever I log in to Ubuntu, the brightness automatically goes to full. I'm using ubuntu 20.04 LTS with dual boot. Any solution for this?
2
votes
1answer
37 views

Screen Brighness always come back to 1

I am new to Ubuntu. recently, I changed to the Xfce desktop. Everything went well, except for the brightness which couldn't be set using the keyboard. After some tries, I solved the pb with a script ...
0
votes
0answers
66 views

Ubuntu – 18.04 can’t adjust screen brightness on Lenovo Thinkpad E14 gen2

I have tried different ways but it still doesn't work. I have also attempted to change the grub file. Screebrightness
1
vote
1answer
60 views

Brightness issues on i3

I'm facing this issue on ubuntu 20.10 with i3 window manager: in i3 I found this workaround to change the screen brightness with a little .sh script: #!/bin/bash echo -n "Enter brightness: " ...

1
2 3 4 5
30