0
votes
2answers
77 views

How to adjust brightness vaio nr21s ubuntu 13.10?

I installed Ubuntu 13.10 on my Vaio nr21s but cannot adjust brightness levels. The fn keys work, but they don't change a thing, brightness remains at max level. Thought I should choose a repository ...
1
vote
2answers
70 views

Why is my Laptop Brightness reset to minimum after every restart?

I have an Acer Aspire 6930G with an Nvidia 9600MGS and Ubuntu 12.04 LTS. Every time I turn off my computer and then turn it back on the brightness is always set back at the lowest possible level. I ...
0
votes
1answer
194 views

Ubtunu 12.04 x86_64 Which Proprietary Nvidia Driver for nVidia GT216GLM [Quadro FX 880M] supports brightness controls on Lenvo W510?

I have a Lenovo W510 and installed Ubuntu 12.04 onto it (64 bit). The device is certified for Ubuntu: http://www.ubuntu.com/certification/hardware/201101-6974/ However that certification page ...
0
votes
0answers
26 views

Monitor turning off randomly. [Workaround exists]

I installed Ubuntu 13.04 on a machine with pre-installed Windows 8 using the options acpi_osi=Linux acpi_backlight=vendor I was unable to change the brightness of the system using the function ...
1
vote
2answers
199 views

How to reduce screen brightness on Sony Laptop using Ubuntu 13.10?

I am a complete novice to Linux and just installed Ubuntu 13.10 on my Sony Viao E-series laptop having NVidia graphics card. For the life of me, I can't seem to get the screen brightness down (The ...
3
votes
5answers
1k views

Can't adjust screen brightness on Macbook Pro 10,1 Ubuntu 13.10

I recently installed Ubuntu on my retina Macbook Pro (following this great guide). Everything works fine so far however the screen brightness / backlight cannot be adjusted neither by using the ...
3
votes
1answer
869 views

I can't modify the screen brightness on Xubuntu 13.10

I got this problem with brightness on my fresh xubuntu 13.10 install.. It ain't inc/decrease the screen brightness when pressing Fn+F5/F6 !! I've tried some solutions like setting these values in ...
3
votes
5answers
5k views

Changing the brightness stopped working in 13.10 Saucy Salamander

After the upgrade to 13.10 Saucy Salamander, the brightness controls stopped working. This worked fine from 12.04 throughout. Does anyone have an idea how I can fix this? If not, can you point ...
0
votes
0answers
327 views

Trouble Adjusting the Brightness for Sony Vaio (Ubuntu 12.04)

Hi I seemed to run into a problem regarding the lighting for Ubuntu 12.04 on my Sony Vaio (VPC-CW2FGX/B). I used to be able to adjust the brightness when I first installed Ubuntu, but when I installed ...
0
votes
0answers
197 views

How do I enable the brightness keys on a Lenovo y500 750m sli?

has anyone managed to get your brightness keys working in Ubuntu? I'm running 13.04 and the latest stable Nvidia drivers. Thus far I have tried this to no evail: I cannot change the screen brightness. ...
0
votes
1answer
138 views

Unable to change brightness on Sony EH18FA

I couldn't change brightness of my Sony EH18FA laptop with Ubuntu 13.04. My laptop has Nvidia Geforce 410M GPU. I am using Ubuntu 13.04 along with Windows 7 Home Basic. The brightness can't be ...
1
vote
1answer
236 views

How do I fix the the brightness controls on a Samsung RV520?

I'm running Ubuntu 13.04 on my Samsung RV520 with Nvidia GT520M but it looks like my screen's brightness is set to a value close the minimum! Even though I can see the brightness bar increase or ...
0
votes
1answer
264 views

Brightness Control In Samsung RV 509 [duplicate]

I have recently installed Ubuntu 12.04 on my Samsung laptop RV509 with Nvidia grahics card but brightness remain unchanged. How can I make the brightness control work?
0
votes
0answers
124 views

When Firefox loads, backlit brightness resetting to max

For an example, when I set the backlit brightness to 50% in Ubuntu 12.04 and then start Mozilla Firefox, it will reset the brightness to 100% and starts Firefox. However the brightness slider in the ...
0
votes
0answers
125 views

Ubuntu 12.04 screen brightness flickering after software update

I have a Dell latitude E6410 laptop with Ubuntu 12.04. After installing few software updates last friday, my screen started flickering the brightness. It has a nvidia graphics card in it. If someone ...
0
votes
1answer
343 views

Backlight Indicator not Working with Nvidia Driver

I have a Thinkpad T420 with Nvidia Quadro NVS4200 running binary 319.12 driver. I am using Ubuntu 12.04 with Cinnamon. The display works fine, and the brightness up/down controls also work in ...
0
votes
1answer
1k views

USB 3.0, Screen Brightness, and Realtek HD Audio (13.04)

I'm VERY new to linux, have played around a bit every now and then, but never really got the hang of it. I'm now tired of MS, so decided to give it a fighting chance. I have a Acer Aspire 5750G, Intel ...
0
votes
4answers
1k views

adjust the brightness in 13.04

I have a dual graphics card: intel 4000 and nvidia 630m... I installed bumblebee and intel drivers from their website. I thought the brightness problem will be solved by installing these drivers. ...
0
votes
1answer
507 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
1answer
180 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
0answers
149 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 ...
1
vote
0answers
311 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: ...
1
vote
0answers
280 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 ...
0
votes
0answers
549 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 ...
0
votes
1answer
202 views

How to get the oBacklight solution to brightness problem working?

I can set the backlight using xrandr (although the mouse pointer stays sharply bright) but If I suspend the laptop, after waking it up it is on max brightness again. I have a Dell 17 L702x and I have ...
0
votes
2answers
2k views

Sony Vaio-Brightness Settings not Changing

I've searched for this problem but I cant find a straight answer. If I go into /etc/class/backlight, there's nothing there. Could someone help? I have the Nvidia Driver installed, and the Fn keys ...
0
votes
0answers
700 views

Nvidia breaks brightness controls. Editing xorg.conf, installing pommed and changing grub doesn't help

Hardware: 13" MacBook Pro 5,5 (Summer 2009), GeForce 9400M. OS: Ubuntu 12.04.2 AMD64 My hardware and OS are similar to what some others with this problem had, but what worked for them doesn't work ...
1
vote
1answer
1k views

brightness control not working for nvidia driver on W530 2436CTO + Ubuntu 12.10 X64

Environment: ubuntu 12.10 x64, bios (have tried 2.06, 2.50). W530 2436CTO, 3720QM, K1000M. The problem can be described below (May looks duplicate at first sight) The back light of screen after ...
1
vote
0answers
1k views

Brightness Control Keys on Sony Vaio not working on 12.10

Hi everyone i'm having a problem that for what i have seen its very common with the latest version of ubuntu. So I updated my graphics drivers on my laptop to the latest nvidia ones but now my ...
5
votes
3answers
5k views

Screen brightness control not working on Lenovo T530

My brightness control doesn't work with a fresh install of 12.10 (brand new laptop). It is set to the brightest setting when I boot up and when I try to change it, I see the notification bar come up ...
2
votes
2answers
4k 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 ...
2
votes
3answers
493 views

Video brightness unreadable on a Dell Inspiron 9400

I have a Dell Inspiron 9400 with an NVidia GeForce Go 7900 GS video card. After upgrading from 12.04 to 12.10, my video brightness decreased to the point where I can hardly read the screen. I have ...
1
vote
1answer
1k views

Brightness controll not working in lenovo g580 [duplicate]

my laptop is lenovo g580. Configuration is CPU : Intel® Core™ i3-2370M CPU @ 2.40GHz × 4 GPU : Nvidia geforce 610M Kernel Linux 3.5.0-17-generic My problem is that I cannot control the screen ...
0
votes
4answers
2k views

Brightness control not working in Lenovo G580

I purchased a new Lenovo g580 laptop. But I am totally disappointed when I installed Ubuntu on it. Almost all drivers are not working. :-( The laptop configuration is intel i3 processor Nvidia ...
2
votes
2answers
3k 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 ...
7
votes
6answers
16k views

Screen brightness not working

I use Ubuntu 12.04 on my Sony Vaio(VPCCW2HGX). At the first times, brightness control works well, but after the activating additional drivers(nvidia accelerated graphics driver) brightness control ...
0
votes
1answer
1k views

Brightness goes down for the whole screen, when windows with dark backgrounds are enlarged

The brightness of the whole screen goes down considerably when I enlarge windows with a dark background (Gnome-terminal and TTYs for example, as well as Games, especially when in fullscreen). It's up ...
0
votes
1answer
797 views

12.04 monitor brightness commands ignored

I cannot change the brightness of the monitor on a laptop either from the command line or from keyboard shortcuts. I have verified that the file in /sys/class/backlight/acpi_video0/brightness is ...
3
votes
4answers
3k views

Cannot adjust brightness on my Packard Bell EasyNote TS11HR-127GE laptop

I am using Ubuntu 12.04 LTS on my Packard Bell EasyNote TS11HR-127GE laptop and I cannot adjust the brightness. If I change the slider, the brightness is always at maximum. My laptop is using NVIDIA ...
2
votes
3answers
3k views

Backlight Issue - Samsung RV509 Notebook

I installed Ubuntu 12.04 today on my Samsung RV509 Notebook (Nvidia Geforce 315M) and the backlight brightness controls don't work on it. I did some digging around the web and found the samsung tools ...
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 ...
0
votes
3answers
2k views

Cannot change screen brightness on my lenovo z 570?

I am not able to change the screen brightness on lenovo z570. Even the function keys for the brightness are also not working. Any idea ?
1
vote
1answer
315 views

can't configure Nvidia on my Sony Vaio VPCEH2C1E/W

i have recently bought a Sony Vaio VPCEH2C1E/W laptop on which i installed Ubuntu 11.10 64bit OS type the graphic card is 512 MB NV GeForce 410M for which I chose (version current) [Recommended] if I ...
0
votes
1answer
1k views

Brightness control doesn't work on a Toshiba Satellite L750 with a GeForce GT550

I'm trying to control the brightness of my notebook's screen using NVIDIA X Server but the changes only persist for a few seconds, then turns back to the default settings. **I've already tried all ...
0
votes
3answers
2k views

Cannot adjust brightness on on an LG laptop with an Nvidia card

I'm currently using a LG laptop with Nvidia Cuda GeForce GT 335M. I have difficulty adjusting the screen brightness using FN+Arrow Up/Arrow Down. The brightness indicator will appear and the bar will ...
2
votes
1answer
1k views

How do I fix the brightness on a Samsung Aura R700 Dillen?

My Problem: Since Ubuntu 10.04 I can no longer adjust the background brightness of the built in LCD-Panel. The Laptop (Samsung Aura R700 Dillen - Nvidia 8600M GT GPU) is always on a very low ...
5
votes
2answers
5k views

Ubuntu 10.04 Cant Adjust brightness on my lenovo Thinkpad?

I cant seem to be able to adjust the brightness on my think-pad laptop running Ubuntu 10.04. In the power management applet it shows that the power is set to 100%, but even if i try to lower it the ...
13
votes
6answers
18k 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. ...