Questions related to screen brightness.

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4
votes
2answers
11k views

How to control Brightness on Acer Laptop [duplicate]

I've installed Ubuntu 12.04 in an Acer Timeline X 5830TG and brightness controls were not working (Fn + Key), even the Ubuntu's one.
0
votes
2answers
492 views

How do I change the amount by which the brightness increases or decreases? [duplicate]

Possible Duplicate: How to increase brightness in smaller steps? When I press Fn + F6, the brightness increases. Lets say the brightness increases by 1 unit. How do I make it increase by 0.5 ...
2
votes
3answers
513 views

Sony Vaio VPCEH18FG backlight problem

I have installed Ubuntu 12.04 on Sony Vaio VPCEH18FG but the screen brightness does not change with Fn+F5/F6 keys and /etc/X11/xorg.conf file is also not found. How can I solve this problem?
1
vote
1answer
2k views

Brightness adjustment not working on a Samsung NP300e5za0pin

Recently installed Ubuntu 12.04 on my Samsung NP300e5za0pin laptop . Brightness function is not fully functioning, and it will not bring down below 70% when I press the FN++Brighness. Brightness ...
3
votes
1answer
820 views

How do I make brightness settings persist across rebooting?

I'm using 12.04 with up to date packages running on a Dell Inspiron N4030 laptop with an ATI Radeon HD 5400 graphics card. I'm using the new Catalyst 12.6 graphics driver (this version already fixed ...
4
votes
3answers
3k views

Brightness level issues

About two updates ago, everything with brightness was working perfect! But since then, the Function keys for brightness(Fn + up and Fn + down) are not working... I mean the brightness reduces only ...
2
votes
1answer
1k views

Changing brightness under Unity completely hangs the system

I have a Dell latop and Ubuntu 12.04. The system will completely hang when I try to adjust the brightness either through the function buttons or through the system's brightness manager module. This ...
1
vote
1answer
809 views

Setting brightness [duplicate]

Possible Duplicate: fn + arrow keys don't adjust actual brightness on an Acer Aspire 5740 I've just bought the new acer aspire s3. I've installed ubuntu 12.04: it works really well but I ...
4
votes
1answer
22k views

Is there a way to set a hotkey to change screen brightness? [duplicate]

Possible Duplicate: How to change the shortcut to adjust brightness? The brightness keys on my laptop are not recognized by Ubuntu, which is a common problem for a variety of laptops, is there ...
0
votes
2answers
2k views

Brightness doesn't decrease on an HP Pavilion G6

I have a HP Pavilion g6 laptop. After installing Ubuntu, screen brightness does not not decrease. Due to this high brightness, I am unable to use Ubuntu properly. Graphics- ATI Radeon. Please help ...
0
votes
1answer
844 views

Brightness control on Sony Vaio VPCY2 not working

I have a sony vaio vpcy2 and the brightness control is not working. I tried the solution on Brightness controls not working on a Sony Vaio VPCY2 but it did not work for me. Can someone help me out ...
0
votes
1answer
2k views

Problem with brightness settings with Acer Aspire One D255E in 12.04

I run Ubuntu 12.04 on my netbook (Acer Aspire One D255E) and I have the following problem with the brightness settings: If I want to adjust the brightness with the fn-key, I can only change between ...
2
votes
1answer
3k views

screen brightness and keyboard backlight works in unity, not in kde

i have ubuntu 12.04 and sony laptop, and i've installed nvidia driver. screen brightness changing (with keyboard fn keys) and keyboard backlight works in unity, but it doesn't in kde. when i issue the ...
4
votes
1answer
813 views

Remap function keys to commands?

I'm running Ubuntu 12.04 on a Samsung Series 9 (900X3A-A03), and changing the brightness through the function keys or the brightness control UI causes flickering and general instability, so I have a ...
2
votes
2answers
642 views

Toshiba Satellite L645D screen brightness does not work on Ubuntu 12.04

I've installed Ubuntu 12.04 on my Toshiba Satellite L645D and the screen brightness does not work. Any suggestions?
3
votes
2answers
10k views

Fn-keys stopped working on a Lenovo Thinkpad Edge

I'm running 12.04 on a Lenovo ThinkPad Edge. I'm having these possibly related issues with things that worked perfectly when I installed Ubuntu: Most of the Fn-keys worked seamlessly after I freshly ...
3
votes
3answers
697 views

HP 6930p does not remember Brightness control

I'm running Ubuntu 12.04 on HP 6930p and every time I reboot the system brightness control goes to back to some default value irrespective of the previous session. I've gone through the earlier posts ...
4
votes
2answers
12k 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 ...
2
votes
8answers
4k views

Screen brightness is either totally dim or totally max on a Samsung NP350 Laptop

I updated my Ubuntu 12.04 last night to the latest packages. When I tried to change brightness using Fn Key this morning, brightness went all the way to either min or max brightness. I was not able ...
3
votes
1answer
643 views

How do I set up the brightnes control on a Toshiba Satellite L650?

After upgrading Ubuntu 11.10 to 12.04 I have lost control of brightness of my Toshiba Satellite L650. Under Ubuntu 11.10 all worked ok. Now I can change brightness only in terminal using: echo 3 >...
5
votes
2answers
5k 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 ...
1
vote
1answer
631 views

Changing brightness in Unity settings results in dead SAMSUNG 300e5z-s08

I experienced the following problem when trying to change brightness either through the system settings of the shell, or by using fn + f2 fn+f3 combinations. The brightness bar appears in the top left ...
2
votes
1answer
4k views

Screen brightness flickering on a Samsung laptop

I have just installed Ubuntu 12.04 via the wubi installer. I have Windows 7 installed as my main os. Now when i turn on my computer and go into Ubuntu my screen brightness is on max. When i then turn ...
0
votes
1answer
2k views

Brightness Controls doesn't work in HP G62 (Ubuntu 12.04)

I have installed Ubuntu 12.04 and I think everything is working except for the brightness controls of the laptop. Please answer.
0
votes
1answer
10k views

Ubuntu 12.04 - Brightness controls not working [duplicate]

Possible Duplicate: Screen Brightness not adjustable for Acer Aspire S3 Controls from "Brightness and Lock" were not working so I've tried a solution that involved changing grub, which I'm ...
3
votes
0answers
672 views

Is it possible to change a laptop's screen-dimming capabilities?

My laptop is able to dim it's screen automatically until it is turned off by Ubuntu to save power, currently my dim screen button doesn't let me turn off my screen completely, my questions are: Is ...
1
vote
1answer
703 views

Why KDE cannot change brightness, while Unity can? Macbook Air 4,2

I installed Ubuntu and KDE too on my MacBook Air 4,2, but I realised I cannot change brightness in KDE. In Unity, it works without problem. Other keyboard keys works properly, sound, play, etc., but I ...
2
votes
2answers
2k views

Can't adjust brightness on Samsung RV420 with fn keys

Typing ls /sys/class/backlight/*/brightness outputs /sys/class/backlight/intel_backlight/brightness /sys/class/backlight/samsung/brightness The max_brightness for the second is 8, but changing it ...
9
votes
6answers
28k 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
220 views

Not able to change brightness on a Compaq Presario CQ61

Here is my result of lsmod Module Size Used by joydev 17393 0 vesafb 13516 1 snd_hda_codec_hdmi 31775 1 snd_hda_codec_idt 60251 1 ...
2
votes
1answer
544 views

Making the screen darker than the lowest brightness setting

I'd like to make the screen in Ubuntu darker than the lowest brightness setting. Is there any way to do this besides inverting the screen brightness?
2
votes
1answer
282 views

Brightness adjustment impossible after hibernation (MacbookAir 3.2, Ubuntu 12.04)

After waking my computer up from hibernation (close lid, open lid) I loose the ability to adjust the brightness with the F-keys and in the settings. It's the only problem I have with ubuntu on my ...
2
votes
1answer
3k 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 ...
3
votes
2answers
19k views

Stuck on Ubuntu boot screen

I recently download Ubuntu 12.04 LTS onto my Macbook Pro 5-5. Everything worked seamlessly, save for the brightness control. I couldn't change the screen brightness from the hardware buttons, nor from ...
0
votes
1answer
2k views

Ubuntu 12.04 - Unable to change brightness [ATI HD xxxx - Toshiba Satellite L510 19e]

i can't change my brighness. On my Ubuntu is the original Driver from ati.com running. i used Ubuntu 12.4 with the lastest Updates. Can everyone help me? Thanks Guys! my xorg.conf: Section "...
1
vote
6answers
6k views

Unable to change brightness on a Toshiba L750

So, as a number of users seem to be experiencing, I am unable to change brightness on my laptop. Using the Brightness and Lock in settings, the slider moves but brightness does not adjust. The fn keys ...
2
votes
2answers
7k views

unable to change brightness settings in sony vaio e series laptop

I am using Sony Vaio E Series VPCEH25EN laptop. I installed ubuntu 12.04 64 bit version and I couldn't change my brightness level. Always it is showing max brightness, I tried to change by using ...
1
vote
2answers
2k views

Sony VAIO SVT1311 brightness change doesn't works

I bought the new ultrabook Sony VAIO SVT1311. Many things work but brightness control doesn't. I see the splash bubble (that reacts to Fn+F5 and Fn+F6) but the brightness doesn't change. It stays ...
7
votes
4answers
7k views

Screen Brightness Stuck on high on an HP dv7t laptop

I have an otherwise fully-functioning install of Ubuntu 12.04 on my HPdv7t laptop. When I press the 'brightness buttons' on the keyboard the associated images appear on my screen to say I am ...
5
votes
3answers
5k views

Why does Ubuntu reset brightness settings at the loading screen?

Since I first installed Ubuntu 11.10, I noticed that volume and screen brightness get reset every time Ubuntu starts. Why is this so? And what ways are there to keep brightness and volume levels ...
3
votes
4answers
7k views

Screen backlight control for Asus G55V

I've just installed Ubuntu 12.04 on an Asus G55V laptop and neither the laptop brightness control keys (FN+F5, FN+F6) nor the Brightness setting are able to control the backlight. Note that I've ...
1
vote
1answer
2k views

Cannot Adjust Brightness on Acer Aspire 5332

I recently installed Ubuntu 12.04 with the Windows installer. It appears to be running fine, however the screen is extremely dull and I don't appear to be able to adjust the brightness... I entered ...
110
votes
20answers
107k 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. http://ubuntuguide.net/how-to-save-screen-brightness-settings-in-ubuntu-12-...
3
votes
1answer
1k views

How can I get a command to run before login (ie while booting or just after)?

I have an encrypted home folder, so I can't log in automatically (and I wouldn't want to) but also my display defaults to the minimum brightness at each boot. To fix this I run the command `...
0
votes
2answers
349 views

How to configure screen brightness when not using a laptop

For a way too strange reason, my TV (which I'm using with a Dell Inspiron 1145 laptop running Ubuntu 11.10) does not allow me to do a fine-grained brightness configuration. Therefore, I'm looking for ...
7
votes
2answers
5k views

Change the brightness adjustment interval

So whenever I hit my dim/brighten keys on the keyboard, a notification bubble pops up with the screen brightness. All that's fine, but I would like to be able to change how much the brightness changes ...
2
votes
1answer
2k views

How do I get brightness controls working properly on an Eee PC 1001P?

Is there a solution to the low screen brightness issue with the Eee PC 1001P and release 12.04? When I use the brightness control, the screen goes through three adjustment cycles of dark to semi ...
2
votes
1answer
768 views

Screen brightness in Ubuntu not working

Hardware: HP DVD6t, AMD Radeon 6700 OS: Natty 32-bit. I have researched a lot on this and basically most of the solutions that are on the internet / stackexchange revolves around the brightness ...
1
vote
2answers
784 views

Packard Bell TS11HR-068GE brightness control doesn't work

i did search in google but haven't find anything about this problem for my model laptop: Packard Bell TS11HR-068GE the graphic card is: NVIDIA GeForce 610M i am newbie on linux & ubuntu, so pls ...
0
votes
1answer
730 views

Brightness Controls not working on Sony Vaio VGN FZ31S NVidia G8600M

since I installed XUbuntu 12.04 on my notebook, brightness controls are no longer working (they used to work before with Smartdimmer). I tried several suggestions, starting from gnome-settings with ...