Questions related to screen brightness.
30
votes
10answers
19k views
Desktop doesn't remember brightness settings after a reboot
Every time I reboot my machine the brightness goes back to 100% in Gnome. I wish it would keep the last setting. Is there anyway?
18
votes
6answers
17k views
Unable to change brightness in a Lenovo laptop
Brightness adjustment keys <Fn + ⇑/⇓> have no effect (although they are recognized by the environment), and I can't change the brightness using GUI tools as well. This seems like a problem in ...
16
votes
6answers
7k views
Is there a software utility to adjust screen gamma/brightness/contrast?
I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
3
votes
10answers
10k views
Screen Brightness not adjustable for Acer Aspire S3
First of all, thank you very much for providing this useful forum.
Too bad for me, there is no support for the Acer Aspire S3 yet (just came out in October)
Short Description of the Problem:
I cannot ...
16
votes
6answers
12k views
Brightness is reset to Maximum on every Restart
The brightness of my laptop is reset to Max on every restart. I tried the solution provided at this website but had no luck.
...
6
votes
3answers
6k views
How to change LCD brightness from command line (or via script)?
To work around bug #1005495 (changing LCD brightness via hotkeys impossible), I'd like to have one command line query for increasing and one for reducing the brightness of my LCD. I could then map a ...
9
votes
6answers
9k 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. ...
3
votes
9answers
15k views
How to control Brightness
I didn't install anything myself, but only Ubuntu 12.04 LTS on an Acer 4741g.
I use Fn+left/right to change the brightness, but failed.
How can I control the brightness levels?
5
votes
3answers
5k views
Screen brightness not changing on Acer 5742 notebook
Screen brightness is not changing on my ACER 5742 notebook. I have Ubuntu 10.10 installed inside Windows 7 OS. Hotkeys are used for changing brightness. Though, a bar displaying brightness level ...
4
votes
1answer
6k views
Brightness controls doesn't work on a MacBook Pro 5.5 (ubuntu 12.04 LTS) [duplicate]
Possible Duplicate:
Brightness controls doesn't work on a MacBook Pro 5.5
I recently installed Ubuntu 12.04 LTS on my MacBook pro 5.5 (mid 2009). I have a problem with the brightness ...
10
votes
5answers
5k views
How can I change brightness through terminal
Now I can change it by Fn+ arrow right but now I need to do it via my shell script
3
votes
1answer
6k views
Screen brightness resets to minimum after every reboot
Title says it all. Ubuntu 11.10 doesn't save my brightness settings between sessions. Everytime I boot up, the brightness is always at zero, and I always have to set it back to my preferred setting ...
1
vote
2answers
861 views
Brightness controls are not working in sony vaio with amd radeon hd 7650
I have a Sony Vaio SVE15116EN with AMD Radeon HD 7650 graphics card. I am currently using Ubuntu 12.10. My brightness controls are not working but sound controls are working fine. I have also tried ...
6
votes
5answers
9k views
Can't adjust brightness on my laptop
I'm having difficulty in adjusting brightness on my Acer Aspire 4740:
Screen 14.1-inch glossy LED-backlit, 1366x768 res
CPU Intel Core i5-430M 2.26-GHz
RAM 1GB DDR3
HDD 320GB
Graphics ...
3
votes
2answers
2k views
fn + arrow keys don't adjust actual brightness on an Acer Aspire 5740
I have an Aspire 5740 with an Intel Core i3, and Fn + arrow keys still call up the brightness adjuster, but have no effect on actually changing the brightness. The slider moves, but the brightness ...
6
votes
1answer
4k views
How to change the shortcut to adjust brightness?
I want to make my own shortcut to increase or decrease brightness.
I don't like the default shortcut of my HP laptop (Fn + F7 to decrease and Fn + F8 to increase).
Is it possible?
3
votes
3answers
5k views
How do you change brightness, color and sharpness from command line?
I am controlling my PC with SSH and scripting. How can i change the brightness, color and sharpness from command line?
Try 1: failed
$ sudo redshift -t 5000:5000 -g .5
Cannot list GNOME panel ...
7
votes
7answers
1k views
How to increase brightness in smaller steps?
Is there a way to adjust lighting step ? I have Lenovo L520, and Fn + Light Up or Down adjusts by 20%, how can I adjust the step to 10% ? it will help me fine tune lighting at my dark room.
4
votes
5answers
6k views
Brightness controls not working on a Sony Vaio VPCEH38FN
I have ubuntu 12.04 installed on windows 7. When I use the Fn alongside the key to reduce brightness, or even using the system settings, I am not being able to reduce the screen brightness. What is ...
7
votes
4answers
10k views
How do I set default display brightness?
Is it possible to set the default display brightness so you don't have to re-adjust it everytime you reboot? My laptop display is killing my eyes at the login screen already because it starts at 100% ...
5
votes
2answers
3k views
Brightness problem on a Samsung 530U3B
I am using Ubuntu 12.04 on a Samsung 530U3B laptop. Screen blinks on adjusting the brightness and CPU load grow up to 100%.
Video device: Intel(R) Extreme Graphics 3 Controller.
Seems like it ...
4
votes
2answers
5k views
Brightness controls stopped working after update on a Samsung QX412-S01AU
Previously on my Samsung QX412-S01AU laptop I had been able to get brightness controls working, see this question: Brightness Hotkeys Only Slightly Work.
After a recent automatic update, which ...
4
votes
4answers
3k views
Changing brightness on a Sony Vaio laptop
I just installed Ubuntu 10.10 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
616 views
Brightness controls doesn't work on a MacBook Pro 5.5
I recently installed Ubuntu on my MacBook pro 5.5 (mid 2009). I have a problem with the brightness control. The thing is, when I try to reduce the brightness of my display which would help my battery ...
3
votes
1answer
2k views
How do I make Fn+f2/f3 change the brightness on my HP dv7-6135dx?
The problem described below riddled me for quite a while and couldn't find a straight forward answer anywhere online. I have found a solution and I would like to use this post as a documentation ...
2
votes
1answer
5k views
Samsung netbook N150Plus screen brightness not working
I have a Samsung netbook N150Plus (mod# NP-N150-JP02UK) on which I have just installed 11.04 but although the function key works for the screen brightness and brings up the brightness +/- animation, ...
1
vote
2answers
841 views
Cannot adjust brightness after sleep
I have a Toshiba Satellite R830 laptop with Ubuntu 12.04.1 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. Is there a ...
1
vote
2answers
2k views
Brightness control Issue Samsung RV520 in Ubuntu 12.04
I am unable to change and reduce the Screen brightness of my laptop Samsung RV520, it has only one graphics card Nvidia's GT520M, although brightness control appears by pressing
FN+UP/DOWN
...
0
votes
0answers
4k views
Brightness setting not saved in Ubuntu 11.10 [duplicate]
Possible Duplicate:
How to make GNOME remember brightness setting
I have to reconfigure the brightness every time after reboot. is there anyway to make it remember the settings, or other ...
2
votes
2answers
944 views
Brightness not working on Lenovo
I have a Lenovo IdeaPad Yoga. It's been working flawlessly with Windows 8 - 9 hour battery life, awesome touchscreen, 4-second boot times.
So obviously I wanted to try Ubuntu 12.10. Well, I ...
3
votes
1answer
3k views
How do I prevent Ubuntu from changing my laptop screen brightness level?
I have installed Ubuntu 12.04 LTS on my dell inspiron 1464. Everything is working fine. Except my LED brightness.
Every time I adjust it to my suitable level. But after reboot it goes on high as it ...
1
vote
1answer
1k views
Toshiba L745 Brightness Problem, Fn Keys doesn't works
Has someone solved the brightness problem in Toshiba Laptops? I have a Toshiba L745-s4210 laptop with an Intel HD 3000 graphic card, after install ubuntu all works out of the box except the keys to ...
6
votes
1answer
6k views
How to stop gnome-power-manager from changing the global backlight setting?
After installing Ubuntu on my ThinkPad T510, the GDM screen and GNOME session would always start at 100% brightness.
I quickly found out, that this can be controlled via gnome-power-preferences, but ...
4
votes
4answers
440 views
Can't volume or brightness levels be remembered?
I'm on Ubuntu 11.10 with gnome shell.
If I change volume or brightness levels, they won't be remembered within the next login. Is this normal?
3
votes
5answers
6k views
How can I adjust brightness settings when I am on battery?
I can't find brightness settings that work from battery mode in the Ubuntu 11.10 screen settings.
There are some settings from Ubuntu 11.04 in gconf, 90% for AC and 60% for battery, but it doesn't ...
2
votes
1answer
3k views
Is a brightness control widget available?
Is it possible to place a slider or some other GUI component on the desktop / Notification Panel on Ubuntu 12.04 to control the screen brightness?
It's a little annoying to constantly have to go to ...
2
votes
1answer
4k views
How do i make screen dimming work in ubuntu 12.04 (beta 2)
I recently installed Ubuntu 12.04 (beta 2) on my HP mini 110-4117, but I cant control screen brightness.
The Fn + F2 , Fn + F3 keys don't work. System Settings > Brightness and Lock doesn't provide ...
0
votes
2answers
3k views
Brightness Control Problem on Sony VAIO with NVIDIA GT-320M [closed]
I have a Sony VAIO VPC-CW2 laptop with NVIDIA GT-320M graphics card. I can't adjust the screen brightness! Using the Fn shortcuts nothing happens (Even the brightness notification doesn't show-up!). ...
3
votes
3answers
809 views
Brightness control doesn't seem to work on a Toshiba Satellite M115 laptop
I have Ubuntu 12.04 LTS on a Toshiba Satellite M115 laptop. The brightness control doesn't seem to work with the "brightness and lock" setting or fn+f6 and fn+f7 (which usually works in Windows). How ...
3
votes
2answers
8k views
How to disable screen dimming after inactivity when this is already disabled at system settings?
When my Dell Vostro laptop is connected to the power, the screen is dimmed after 10 seconds. This is very annoying.
When my laptop is running on the battery, the screen is not dimmed after ...
2
votes
0answers
109 views
Brightness Problem Ubuntu 12.04 [duplicate]
I've installed Ubuntu 12.04 on my Asus Eee Netbook. It has a Cedar Trail processor. It has a brightness problem. I can't change the brightness. It is always dimmed. How can I solve this problem ?
2
votes
3answers
3k views
I cannot change the screen brightness
here's my problem:
Ever since I installed Ubuntu 12.10 on my computer I haven't been able to change the screen brightness, it was always set to the maximum. I did take a look at this post:
Decrease ...
2
votes
2answers
2k views
Brightness doesn't change on Sony laptop
I installed ubuntu 12.04 on my laptop for first time and every thing work well but the only thing doesn't work is the brightness doesn't change when I press F5 and F6 with Fn
So I can't adjust the ...
1
vote
2answers
2k views
Brightness control not working- Ubuntu 12.04 LTS - Macbook pro 5,5
I am new to Ubuntu and recently installed it on my Mac.
I have ran all of the update i.e.: (apt-get update), and have as well installed the proprietary nVidia driver (nvidia-current-updates).
After ...
1
vote
2answers
3k views
Brightness controls not working on a Sony Vaio VPCY2
The brightness control are not working on Ubuntu 12.04 64-bit , Sony Vaio VPCY2 ( Intel video card) .
I've tried both ways Fn+F5/F6 and from Brightness/Lock menu (under Settings) - I can slide the ...
1
vote
2answers
2k views
Problem with brightness Sony Vaio NVIDIA graphics
Recently I have installed Ubuntu 11.10 on my laptop (Sony Vaio VPCF22MOE). My graphics card is NVIDIA GeForce GT 540M.
After ubuntu installation I installed NVIDIA Driver Version which is 295.33. I ...
1
vote
2answers
2k views
Unable to adjust screen brightness on Gateway NV54
i have ubuntu 11.10 installed on gateway nv54.
I want to install drivers for video card because the Screen brightness not changing..
But "Additional Drivers" not detecting anything.
Graphics: Mobile ...
1
vote
2answers
3k views
Brightness control not working on HP Pavilion dm3t (Intel GMA 4500MHD)
I picked up an hp dm3t laptop with intel HD graphics and installed ubuntu 10.10 64 bit on it. It works great -- the only problem is that the brightness controls on the keyboard don't work. The ...
-1
votes
1answer
236 views
How to stop brightness sign from hanging laptop and stopping all functions? [closed]
What is the Star/ Brithness Sign that appears on the right corner of the screen? All functions stop working till that sign disappears.
What should be done when the star appears?
It is a small ...
8
votes
2answers
1k views
Brightness setting is reset to maximum at login
My laptop's screen brightness is auto set to maximum at login (= at the login screen already).
Even after I have adjusted it to lower it is again set to maximum after annother login. Is there a way ...
