Questions related to screen brightness.
1
vote
1answer
32 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 ...
1
vote
0answers
29 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
...
0
votes
0answers
35 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.
...
0
votes
1answer
28 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 ...
0
votes
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. ...
1
vote
0answers
27 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 ...
0
votes
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 ...
1
vote
2answers
97 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 ...
0
votes
1answer
76 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 ...
0
votes
0answers
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 ...
0
votes
0answers
38 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?
0
votes
1answer
77 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 ...
0
votes
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. ...
0
votes
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 ...
0
votes
2answers
115 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 ...
0
votes
0answers
79 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 > ...
-1
votes
0answers
42 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 ...
1
vote
1answer
98 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 ...
1
vote
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
votes
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 ...
0
votes
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 ...
1
vote
0answers
64 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: ...
0
votes
0answers
59 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 ...
0
votes
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
votes
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 > ...
0
votes
0answers
86 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
votes
2answers
374 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 ...
1
vote
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 ...
0
votes
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
votes
1answer
317 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 +-)
0
votes
0answers
103 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 ...
1
vote
0answers
180 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.
1
vote
2answers
969 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
682 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
0answers
184 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 ...
0
votes
0answers
77 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
vote
1answer
583 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 ...
0
votes
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
votes
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
votes
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.
0
votes
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
votes
1answer
144 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 ...
1
vote
1answer
534 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
830 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 ...
1
vote
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 ...
4
votes
0answers
544 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
462 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 ...
1
vote
2answers
569 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.
...
0
votes
1answer
369 views
How do I get the brightness keys working on a Samsung NC110?
I'm using Ubuntu 13.04 on my Samsung NC110 notebook and the keys for the brightness aren't working. Can someone help me?
2
votes
2answers
970 views
Ubuntu 13.04 Screen Brightness Only Changes Via Hotkeys
This is a new problem I'm facing in 13.04, and is not related to what worked for 12.10 or earlier.
In 12.10, I had the acpi_backlight=vendor in my grub in order to make the brightness setting work. ...



