Questions related to screen brightness.

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Brightness setting in Lenov Thinkpad Edge E530 after update to kernel 3.8 not working

I used to run Dream Studio Unity (ivy bridge version) on sandy bridge on Thinkpad Edge E530 (B960 proc.), which worked OK, but after it updated itself to kernel 3.8 no more enables to set display ...
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1answer
16 views

Lenovo L430 malefunction brightness control 13.04

I use a Lenovo L430. Unfortunately after updating to 13.04 the brightness control does not work any more. Hitting Fn + F8/F9 the popup appears but it is changing only one step but the brightness ...
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1answer
37 views

Brightness settings not working, stuck on Zero brightness

I just recently instaled Ubuntu on my computer, so a I am a little new at using this OS. It seems to work fine and run smoothly other than my brightness settings are not working, beyond using the key ...
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0answers
33 views

Dell display problem Ubuntu 13.04

Since I upgrade from ubuntu 12.10 to 13.04 I can't change the brightness of the display, it remain in the darkest possible mode. I have a Dell 3721 laptop. Any advice? @Dell:~$ lspci -nn | grep VGA ...
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0answers
36 views

Ubuntu 13.04 is not booting

I have upgraded today Ubunutu 12.04 Lts to 12.10 and then to 13.04. After issue with brightness. I have followed serdotlinecho and added GRUB_CMDLINE_LINUX="acpi_backlight=vendor" to grub config. ...
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1answer
38 views

Backlight Fix in Ubuntu with MacBook 6,1?

I recently installed Ubuntu to dual boot on my MacBook. However, the brightness feature does not work! It only happened after I changed the display driver. I am using Ubuntu 13.04 lspci: 00:00.0 ...
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0answers
10 views

Change brightness automatically depending on power source in 12.04

I'm running Ubuntu 12.04 on a HP G61. When I used to use Windows in this machine, my screen to autodimmed when unplugging AC (i.e. running on battery), and brightness was restored when plugged again. ...
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0answers
28 views

Brightness error on Ubuntu but not Windows

Every time I open my computer the brightness is always either on high or low, even though I already set it at about 65%. When I'm using Windows 8, I don't have this kind of error (maybe). How can I ...
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0answers
18 views

Screen backlight is Disabled After Installing Nvidia GeForce 9600m GT Drivers

since several weeks ago, I am in the quest for try to fix the back-light control on my Sony VGN-AW220j With Nvidia GeForce 9600M GT, but until date no luck after try so many recipes and fixes from ...
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2answers
99 views

Backlight can't be adjusted 13.04

In Ubuntu 12.04 i was able to change the brightness of my laptop screen by using the FN + Rightarrow all i had to do for that was include GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
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1answer
81 views

Screen brightness stuck on max setting, FN+down only brings it down one level

I'm trying to get some control over the brightness of my Samsung QX411 (Integrated Intel graphics) on Ubuntu 3.04 (though I have the exact same issue on 12.04 and on Mint) Using FN+up/down lowers the ...
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29 views

Able to adjust screen brightness on Live CD, broken after install

I am trying to use Xubuntu 13.04 on a Macbook Pro 6-2 (mid 2010). That's a Nvidia GeForce GT 300m. I'm positive this is a video drive issue. So what I've done so far: Tried installing the latest ...
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0answers
40 views

How to adjust Ubuntu 12.04 screen brightness permanently

I installed Ubuntu 12.04 in my Dell (N4110).I need to adjust the brightness every time i login. How can i permanently keep it in a comfortable level?
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1answer
82 views

The dreaded Brightness issue (Fn keys + Max brightness)

I'm trying to get some control over the brightness of my Samsung QX411 (Integrated Intel and discrete Nvidia, though Ubuntu doesn't see the latter yet, I'll play around with Bumblebee later) Using ...
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0answers
10 views

All open Windows fade and stay faded even when responsive

I am experiencing an issue whereby all open windows fade out as if unresponsive and yet are fully functioning. New windows and dialog boxes appear at full brightness but the existing windows do not. ...
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0answers
11 views

Switch off display as minimum display brightness

How can I switch off the display when I reach the lowest brightness level with the brightness hotkeys? I filed a bug about switching off the display on Launchpad long ago, but I hope there is a ...
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2answers
120 views

Low brightness: Ubuntu 13.04

I recently dual booted my Windows 8 with Ubuntu 13.04. The first thing that came to my notice was that the brightness was too low. I increased the brightness to maximum from system settings, but ...
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0answers
82 views

Default Keyboard brightness is not working

I am running Ubuntu 13.04 64-bit on an Asus UX31A. To control the default screen and keyboard brightness after the start, I wrote this to the rc.local: echo 0 > ...
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0answers
45 views

brightness settings [closed]

I'm running debian wheezy 7.0 on a toshiba satellite l850 (Ati radeon HD 7600). The brightness function keys respond on pressing but don't actually do anything. The brightness is set to max all the ...
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2answers
107 views

brightness settings not ajustable

I gave it a search and found this for version 11.04 on an acer aspire; sudo gedit /etc/default/grub Edit two lines to read as follows: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
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0answers
23 views

What command is being executed with the brightness control slider in system settings?

I've been finding a disappointing number of systems who's function keys do not work to control brightness. That said, if I go into the brightness settings within system settings I find a slider. I can ...
3
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0answers
24 views

How to disable KDE's brightness OSD?

I am using lightum to automatically control the screen's brightness depending on the surrounding light (on a Retina MacBook Pro). The problem is, though, that KDE picks up the change and displays the ...
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0answers
41 views

How does the screen backlight work?

Everything about the backlight settings and controls work for me except: Backlight resets to max. on every reboot/boot. The backlight minimum goes on to complete black screen, instead of the minimum ...
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0answers
68 views

Custom Keyboard Shortcuts Not Working

Hi I have created two custom keyboard short cuts as my brightness settings have disappeared since installing Nvidia Driver. These two short cuts are as follows: name: brightness_up command: ...
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0answers
62 views

Brightness control Fn keys vs Gnome extension

So I am running Ubuntu 12.10 on a Sony Vaio Laptop and have been sometimes having a strange "laggyness" in the brightness control with the standard Fn keys (Fn + F5 and Fn+ F6), which I guess is ...
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1answer
44 views

How to reduce brightness for sony vaio with 7650 HD

I just installed Ubuntu 12.10 on a Sony Vaio laptop. The brightness functions keys don't change the brightness. When I try to change the brightness I can see the levels going up and down in the ...
2
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1answer
89 views

Keyboard backlight command by percentage

I want to make a keyboard shortcut to increase and the decrease the keyboard backlight brightness. The command I have for full brightness is: echo -n 100 > ...
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0answers
88 views

Backlight control keys with nvidia driver work sometimes

I've got a Vaio S11 laptop with Nvidia 310M graphics running Ubuntu 13.04 with nvidia graphics driver (nvidia-310). Backlight control started working since I created a .conf file in ...
4
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2answers
378 views

Brightness Controls Not Working on a Dell Inspiron N4010 Laptop

I have a Dell Inspiron N4010 laptop. My brightness hotkeys are not able increase or decrease the brightness of the screen. And as a matter of fact, I also can not reduce the brightness from the ...
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2answers
1k views

display brightness problem with ubuntu 13.04

I have a Dell Inspiron 5520 with intel core i7 and AMD Graphics card. It used to work fine with Ubuntu 12.04 and Ubuntu 12.10. Now I tried to install Ubuntu 13.04 but i can't change display ...
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0answers
19 views

Unable to adjust screen brightness [duplicate]

On my Acer Aspire laptop i cannot adjust the screen brightness. When i use the Fn key and the brightness keys, the brightness-window shows up, but nothing happens when i change it. I tried to adjust ...
0
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1answer
318 views

How to fix Acer Aspire 4736z back light brightness control in Ubuntu 13.04?

A simple way to fix Acer Aspire 4736z back light brightness control problem using hot keys (Fn + Brightness +-)
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0answers
105 views

Asus EeePC 1025C can't control brightness

I have an Asus EeePc 1025C, running Ubuntu 12.04. I can't control my screen brightness. I ran sudo apt -get xbacklight, but it didn't work, and I also ran sudo apt -get flrd, but it didn't work ...
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0answers
184 views

Unable to change the brightness on my Dell XPS 15 (L502X)

I am using ubuntu 13.04 and I am unable to change the brightness on my laptop and need a bit a help.
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2answers
984 views

ubuntu 13.04 brightness problem on laptop

I have installed Ubuntu 13.04 and the proprietary AMD catalyst driver 13.4. After installing the driver, the brightness of the screen has turned to the lowest and can not be changed. No matter how I ...
0
votes
1answer
699 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 ...
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0answers
187 views

How to increase the screen brightness control sensitivity?

In Ubuntu 13.04, when I use the keyboard hotkeys to control my screen brightness, I only get 5 steps to go from the darkest to the brightest level, for a total of 6 levels. However, I noticed a ...
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0answers
78 views

how to adjust screen brightness and contrast on desktop

Just moved to ubuntu from windows ... I have NVIDIA card 8400GS and my screen is LG 1970HR on windows I was able to adjust the screen whenever I wanted to. (thanks to LG screen software and/or ...
1
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1answer
601 views

How do I get the brightness control working on an HP 6735s?

I can't change the brightness on my screen via hotkeys or any other method. I'm stuck with low brightness which is very hard on my eyes during long periods in front of my laptop. Is there any working ...
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0answers
34 views

Brightness does not change, although notifications make it look like it does

I have a Toshiba Satellite S855-S5170 with Ubuntu 12.10. I am unable to change the screen brightness. Fn+F6 and Fn+F7 move the brightness indicator, but the actual brightness does not change. I ...
0
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1answer
83 views

How do I get the brightness buttons on a Dell Inspiron N4010 working?

After 13.04 update the brightness control and even brightness in setting have stopped working. The brightness is on full and doesn't decrease. So far sound and wifi is working. Any settings or ...
0
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1answer
60 views

Does anyone know a DimScreen (brightness) for ubuntu?

does anyone know if there is an app like DimScreen for ubuntu? Dimscreen reduce the brightness of monitor using a gray filter. There are similar app also on Android.
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0answers
57 views

Why don't acpi settings take effect?

I was unable to adjust my screen brightness and i changed my grub settings. Now I can adjust, but when I disable screen dimming for example, it does not take effect and dims the screen. I changed the ...
0
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1answer
149 views

Modifying brightness control shortcut key bindings

I have a Toshiba Satellite R830 laptop with Ubuntu 13.04.1 64 bit. The Fn + F6 and Fn + F7 buttons adjust brightness until I put my laptop on sleep. On wakeup they don't work any longer. On Ubuntu ...
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vote
1answer
547 views

How do I get the brightness control working on a Lenovo Yoga 13?

Brightness control doesn't work by default in Ubuntu 13.04. Solution for 12.10 doesn't work, also as this Any idea how to fix it? Update: After research I found how to change brightness manually. ...
0
votes
1answer
836 views

Screen brightness very dim on a Dell XPS 13 (2013)

I just installed Xubuntu 13.04 on a new Dell XPS 13 Ultrabook. When I boot up the screen brightness is EXTREMELY dim. Adjusting the screen brightness doesn't do anything. This is obviously a very new ...
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1answer
77 views

Make a script run at startup

First of all,sorry for my bad English. Im using Xubuntu 12.04 on Acer Aspire One D270.My Screen brightness hotkeys (Fn+L/R) dont work.I installed xbacklight but it always shows "No outputs have ...
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0answers
556 views

Brightness Control in ubuntu 13.04-64bit not working in Toshiba T110

I'm new to this forum and thought I'd try it out. So, much like every edition since about 11.10 brightness control doesn't work "out-of-the-box". I have a Toshiba Satellite T110-12P and although I've ...
0
votes
1answer
470 views

Ubuntu 13.04 Asus N56 keyboard brightness restarting

I'm using Ubuntu 13.04 on my Asus N56 notebook. Everything works perfect except keyboard brightness. Every time my notebook starts with the keyboard backlit set to the max value. I'd like to change it ...
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2answers
582 views

brightness not working on 13.04 upgrade on dell xps 13 ultrabook

Just upgraded from 12.10 to 13.04 on Dell xps13 ultrabook and the display is very dim and cannot be changed using f'n keys or from system settings. This ultrabook uses Intel's ivybridge mobile. ...

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