Questions related to screen brightness.

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0
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1answer
52 views

App to adjust gamma in ubuntu 16.04

Is there an app that can adjust gamma/brightness/contrast for ubuntu 16.04? xgamma doesn't have any effect. Thank you Edits *-display:0 description: VGA compatible controller ...
1
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0answers
23 views

Adjusting brightness to my laptop

I try through System Settings to change the brightness of my screen, but nothing happens. I also tried to follow this answer how to adjust screen brightness in ubuntu 14.04?. But I think that the ...
0
votes
0answers
14 views

Guide to using trayer?

I am trying to use trayer through command line and I don't understand how to add items onto the actual tray. I am trying to add brightness indicator next to the wifi symbol so i can easily adjust my ...
2
votes
1answer
4k views

Brightness setting not working on Xubuntu 15.04 ( vivid vervet)

I recently upgraded from xubuntu 14.04 to 14.10 and then to 15.04 on Lenovo z580. I used to control brightness on 14.04 using xbacklight from command line. Now its not working. 15.04 also has a ...
0
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0answers
12 views

How do i disable Automatic Brightness in Ubuntu-Gnome [16.04/15.10]

Before someone points me to this I would like to point out that I want to completely disable the auto-brightness change feature as it doesn't work at all for me and neither am I interested in any ...
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0answers
8 views

gsd-backlight-helper spamming the log after upgrade to 16.04?

Since updating to 16.04 from 14.04, I have the syslog spammed by: SEC: May 22 13:26:43 samsung-romano pkexec[21248]: gdm: Error executing command as another user: Not authorized [USER=root] ...
3
votes
2answers
91 views

Change brightness

I believe it's a big question among asus users, cause i've found tons of questions about "why do my backlight don't change with fn keys??". Well... after to much researching and testing (I'm a linux ...
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0answers
35 views

No control over screen brightness on Ubuntu-Mate 16.04

I'm running Ubuntu MATE on a samsung N210 netbook, which is rather old. I had it running Ubuntu 14.04, till yesterday, and the screen brightness control worked fine since day one. After installing ...
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0answers
10 views

laptop's brightness resets to least value automatically and haven't been resolved from past few version

My laptop (Dell Inspiron N5110) is having a brightness issue. Brightness automatically resets to least value 0 from the past set value (say 3) when I increase the brightness it jumps to 4 and now I ...
0
votes
1answer
203 views

adjusting screen brightness Skylake+Nvidia

I have a Santech T67 which is a laptop based on Clevo P640RE. Briefly, the hardware is: Intel Skylake CPU (i7-6700HQ) Nvidia GTX 970m (NVIDIA Corporation GM204M [GeForce GTX 970M] (rev a1), from ...
4
votes
3answers
1k views

Can't change brightness in Ubuntu 16.04 LTS

I'm new to linux systems in general (I'm using Ubuntu 16.04 LTS) and I'm having difficulty in changing the brightness of my notebook. When I use the Fn+F8 or Fn+F9 the brightness bar shows up but ...
0
votes
1answer
164 views

How can I delete files or folders created by Nano editor?

I've searched a method to change the brightness of my laptop display. I saw one article on this forum and followed the instruction like below (under the line) written by Serge (user name). I ran ...
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0answers
13 views

Screen Flickering and changing Brightness

I Recently Installed Ubuntu Mate 16.04 0n My outdated PowerBook G4. For the first login, the screen worked fine and was the brightness I expected. But the next few the screen would change brightness ...
11
votes
9answers
33k views

Cannot change backlight brightness Ubuntu 14.04

This morning I found that I cannot change the brightness of my Dell XPs 13 laptop's display anymore. I tried the following to change the brightness Use keyboard brightness keys Run the commands ...
1
vote
1answer
724 views

Can't change the brightness with nomodeset

If I try and boot without nomodeset I go to a black screen. On this I can adjust my brightness using Fn + <-/-> but I can't actually do anything. I can boot with nomodeset but then I cannot change ...
0
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0answers
135 views

Backlight won't turn on after suspend on Macbook air (Early 2015)

After suspending my macbook by closing the lid the backlight will not turn back on however the rest of Ubuntu resumes normally. The screen brightness setting also has no effect on the screen ...
0
votes
1answer
51 views

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?
5
votes
1answer
303 views

Lowest brightness setting turns backlights off

I am running Ubuntu 14.10 on a Laptop. When I turn my brightness to the lowest setting it actually turns my backlights off and my entire screen goes black as if my computer was turned off. I have ...
0
votes
1answer
76 views

Adjust Brigthtness 16.04

I've just uploaded to 16.04, and tried to download brightness controller from software but it's not there. I need to get down the brightness for my eyes health. Thanks. I'm using a desktop pc with ...
0
votes
2answers
4k views

Brightness options in Ubuntu 12.04 desktop missing

I am unable to change the brightness of my desktop screen using this path. System settings{top right corner of the screen)>Under Personal Brightness & lock.No option to change brightness is ...
0
votes
1answer
36 views

Enable [Fn]+[cursor arrows] on lock/login screen to change volume and brightness

Having a new Acer Aspire E17 E5-773G with Ubuntu 16.04 on it, I experience that the keyboard combinations to adjust volume (Fn + ↑/↓) and brightness (Fn + ←/→) do not work on the login screen or lock ...
0
votes
2answers
58 views

Brightness Control

I recenetly installed ubuntu16.04 on my sony vaio VPCEH35en. The brightness control is not working. I have a Nvidia GEforce 410M . I tried to modify the xorg.conf file but ended up with this: ...
2
votes
1answer
5k views

Fn keys for Brightness not working on Toshiba Satellite L755

I am running Ubuntu 12.04 and I love it! The only problem is the keys for my brightness, F6 and F7, does not work when I am on battery power or AC power. It randomly works after I am idle for a while ...
1
vote
1answer
258 views

Brightness key not working Ubuntu 16.04 LTS

I've just installed Ubuntu 16.04 on my Lenovo Z400 notebook and everything was working. Today I tried to change the brightness of the screen and it gets dark and I can't go back. Can anyone help me? ...
0
votes
1answer
75 views

Brightness function key resulting in flickering

Dell Inspiron n5110, I upgraded from Trusty to Xenial yesterday.. The one issue I can't seem to get past or over is that when I use the Fn keys to change the brightness, it results in random ...
1
vote
1answer
40 views

Revert usage of Fn key to control notebook (e.g. brightness, sound)

after upgrading Ubuntu to 16.04 on my Dell XPS 13 (2015) I noticed that the function keys are now "inverted". Before the update I had to press Fn and the corresponding F key at the top to change the ...
1
vote
0answers
51 views

Fn+F5/6 Brightness shortcut not working - Asus laptop - Ubuntu 14.04

I have been bothered for a while with this bug of the Fonction key, it works for sound (Fn+F12/11/10) or turn on/off the screen (Fn+F7), but not to adjust the brightness (Fn+F6/5)... After some times ...
0
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0answers
49 views

SOLVED! 15.10: WiFi blocked/no resume after suspend/no bright hotkeys after upgrade

I have a Samsung Laptop model NP270E4E-K0ACL - Intel Sandy Bridge Mobile Graphics Card - Atheros AR9485 Wireless After a clean installation of Ubuntu 15.10 using an ISO burned image (kernel ...
0
votes
2answers
6k views

How to adjust brightness on Lubuntu?

I can't adjust my screen brightness. Indeed, I can't find this option in my system parameters. I am using Lubuntu 12.04. Thank you for your time :)
0
votes
1answer
4k 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
vote
1answer
14k views

Unable to adjust brightness in Ubuntu/Xubuntu/Lubuntu13.04

I've recently upgraded to Xubuntu 13.04 and noticed that I'm unable to use the brightness keys to adjust the brightness of my screen. I've tried just about everything this thread suggest and I'm still ...
1
vote
1answer
44 views

screen brightness keys stopped working — ubuntu 14.04 LTS — HP notebook

I installed Ubuntu 14.04 LTS last week on my HP Pavillion DV6700 notebook. It was working perfectly until last night when I turned on the notebook and noticed the screen brightness was set to the ...
0
votes
1answer
49 views

How to link the system event brightness up/down to the correct brightness file

I have a ASUS UL30VT and just installed Ubuntu 14.04 LTS. The screen brightness was at level 0. Attempt 1: so I navigated to find the screen brightness slider under System ...
0
votes
1answer
31 views

How to control brightness on toshiba laptop?

I have toshiba satellite L745 with nvidia GEFORCE graphics card. I installed nvidia server setting from ubuntu software center. Still I can't decrease the brightness. When I use the function key to ...
1
vote
0answers
256 views

Keyboard Backligth is set to Maximum in every reboot

At every reboot my screen backlight and my keyboard backlight were set up to maximum level on every reboot. Reading this article: How do I set default display brightness? i've solved the problem ...
18
votes
9answers
37k views

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. ...
0
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0answers
16 views

How to completely reset xrandr

Is there any command which completely resets all settings of xrandr? I have checked this and this but the command xrandr -s 0 does not reset brightness.
4
votes
1answer
95 views

Can I adjust the minimum brightness for my laptop's LCD?

I'm running Ubuntu Gnome 15.04 on my Dell XPS 13 (9333, 2014 model). The LCD brightness can be controlled by the keyboard, and if possible I'd like to adjust the minimum value and/or adjust the ...
3
votes
1answer
71 views

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 ...
11
votes
8answers
18k views

Brightness function keys not working

I have an ASUS X55A-SPD0204O laptop. The rest of the FN+Fx (where x = number) like sound + - mute, screen turn off, wireless etc. work perfectly. The problem is with the 2 brightness keys. They just ...
5
votes
5answers
9k views

Brightness Adjustment on Desktop Computer

I have Ubuntu 12.10 I need an application/software that can increase and decrease my brightness. I know I can do it through my pc monitor but I don't want that. I want to control it through a ...
0
votes
1answer
57 views

Why cant I install brightness-controller

I have been having problems with adjusting the brightness.....it is at max (when I look at it, it is at max in the settings. By the way, I cant control it at all with the keyboard combination.) I ...
1
vote
1answer
70 views

I can no longer completely turn off the screen by decreasing the screen brightness to zero in 16.04

Sorry if this is vague and not nearly as technical as most other questions here, but I'm a pretty new ubuntu convert. When I'm in hurry I've been turning off my screen just by holding fn and f8 to ...
0
votes
0answers
64 views

Ubuntu 15.10 - FN Keys working in unity but not in gnome shell

Exactly what the title says. More specifically: Volume keys - Working in Unity AND Gnome Brightness keys - Working in Unity Disable touchpad key - Working in Unity The weird thing is that even ...
1
vote
1answer
111 views

Ubuntu gnome 16.04 xenial xerus - Changing Automatic Brightness Response Time

I am using Ubuntu gnome 16.04 LTS version. I love automatic brightness feature but it is getting changed so quickly, so responsive, so fast response, it is so annoying. How can I change the ...
0
votes
1answer
674 views

how may i change brightness on asus zenbook ux305

fn+F5 and fn+f6 keys do not change the brightness on my asus zenbook UX05 Thanks to this website I found that command xrandr --output eDP1 --brightness 0.5 reduces brightness to 50% of the rather ...
0
votes
1answer
21 views

Need the drivers for a laptop model ASUS G752VL (Republic of Gamers) running Ubuntu 15.10

I've changed the hard drive in my computer from a Windows-loaded one to another one loaded with Ubuntu 15.10 64-bit. However, after I have installed Ubuntu, I've noticed The trackpad doesn't work ...
3
votes
1answer
2k views

Brightness controls don't work on Macbook - Stuck on high (Nvidia GeForce 9400M)

I am using a Macbook (Aluminum Late 2008 version) and dual booting ubuntu 12.10 After installation the keyboard controls for volume and brightness worked perfectly,but a few days later the brightness ...
1
vote
0answers
151 views

I can't lower the backlight/brightness

Why I can't control the brightness/backlight level? At the first: Notebook Positivo BGH - C500 Series. Processor: AMD C60 series (dual core 800 mhz-1ghz) GPU: Radeon HD 6290 (worked with ...
1
vote
2answers
4k views

Ubuntu 14.04 brightness keys don't work anymore after dist-upgrade on Thinkpad L430

I just updated my Ubuntu system from 13.10 to 14.04. After having fixed GRUB which broke on upgrading, I run into certain other problems. One of them is that the brightness adjustment keys of my L430 ...