Questions related to screen brightness.

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0
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0answers
283 views

How to permanently set the screen brightness level in ubuntu 12.04 on Vaio E-series laptop?

I have ubuntu 12.04 lts running on my sony vaio E-series (vpceb44en). I have followed the post How to permanently set screen brightness level in Ubuntu 12.04 on Dell Vostro 2420 laptop? on howto ...
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1answer
2k views

Xubuntu 13.10 Screen Brightness Fn Keys

I have a Samsung Series 9 NP900X3C, which has a Intel HD Graphics 4000 chip. When I use the the Fn keys for changing the brightness, it shows me a nice OSD and sets the value in ...
3
votes
1answer
298 views

Notified brightness change is not applied

Note : I know this question is becoming quite common, but I'm afraid every solution I found failed to solve the problem. Maybe the knowledge-base we have about this is getting old, irrelevant for ...
2
votes
2answers
162 views

Can you lock the Unity screen after 15 minutes, not shown in “Brightness & Lock” dropdown?

In Ubuntu 13.10, the Brightness & Lock dialog lets you lock the screen after idle time of 1, 2, 3, 5, 10, 30, and 60 minutes. Is it possible to set a different idle time not shown in this list, ...
0
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1answer
355 views

Brightness hotkey doesn't work properly on my hardware

I have a System 76 Gazelle Pro notebook. Sound hotkeys work correctly but not brightness one. When I push Fn+F8, it displays the ubuntu notification about brightness going down but the real ...
0
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0answers
17 views

Brightness Settings cannot hold on reboot [duplicate]

I am using Ubuntu 13.10, on a ASUS N55S notebook. I adjust the screen's brightness to the right level, but every time I reboot ubuntu, the brightness go back to maxmium. How can I lock the ...
0
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0answers
181 views

How can I enable brightness hot-keys on Ubuntu 13.10 running on a Toshiba L850?

How can I enable brightness hot-keys on Ubuntu 13.10 running on a Toshiba L850? I see threads mentioning that you add a line to menu.lst and a few others about different packages but none seem to ...
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0answers
239 views

Brightness locked in dim after downloading ubuntu 13.10

I have a netbook Samsung N 100 on which I installed ubuntu 13.10 before restarting the machine the brightness was perfect but as soon as I restarted it the brightness got dimmed. I tried everything fn ...
1
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1answer
2k views

Unable to adjust screen brightness on acer extensa 5635z (ubuntu 13.10 )

I'm unable to adjust my screen brightness since I installed ubuntu 13.10, it was working correctly in 11.04. I've already set GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux ...
1
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1answer
827 views

Unable to change display brightness with Function keys or Brightness and Lock application in Ubuntu 13.10

I am having problem with Ubuntu 13.10 brightness control. My brightness shortcut keys (Fn + F5/F6) worked in 12.10 and 13.04 but they have stopped working in 13.10. I am using Sony Vaio SVE15113ENB ...
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0answers
45 views

Can't control screen brightness 13.10

I don't seem to be able to control the brightness in neither the settings or through the shortcut, it shows me that it changed but it appears that it didn't.
0
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1answer
642 views

Disable Screensaver (Black Screen) in Ubuntu 12.04

Background : I have an application which is running on top of Ubuntu 12.04. When I boot up the device, it will automatically open the application and running until power off the device. Problem : ...
1
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0answers
673 views

Brightness 0% on Lenovo G500s on startup / boot

I've installed Ubuntu 12.04 on a Lenovo G500s Laptop. The screen is scrambled/shows weird artefacts during boot but that doesn't really bother me. What does is this: The screen's brightness is always ...
0
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0answers
57 views

brightness not save, ubuntu 13.04

Master ubuntu, ubuntu 13.04 always reset like not save brightnes. Much people ask this question. Please give me fix answer. I like ubuntu so much and fans ubuntu from any fans.
1
vote
1answer
167 views

Full brightness and keyboard backligh at boot

I own an Asus N56VZ, and each time I start Ubuntu (13.10 and prior versions) my screen brightness and keyboard backlights reset their values to the max. Ubuntu doesn't save my settings on reboot. I ...
4
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2answers
392 views

13.04 Upgrade – Brightness not working

Up until yesterday I was running Ubuntu 12.10 on my Dell Latitude E6530. Recently I played around with the nvidia settings, which caused my brightness control to stop working. However, I could fix it ...
0
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0answers
110 views

Screen Brightness eMachines E725 not working

I am a newbie please be gentle with me. eMachines E725 running Ubuntu 13.10 32 bit. I can access the screen brightness control through the System Settings or by using Fn keys. The little adjustment ...
1
vote
1answer
218 views

Notification box doesn't go away in Xubuntu

I just installed Xubuntu 13.10 on my MSI Wind netbook. I had no problems with the previous version 13.04, but the first thing I noticed with this latest version is that the brightness OSD stays on the ...
0
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0answers
116 views

Screen brightness control doesn't work after update

I just installed Xubuntu 12.04 on my Toshiba Satellite laptop. Out of the box, everything worked fine. I could change the screen brightness with the fn keys, and it changed automatically when ...
0
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0answers
37 views

Vaio E Series Brighness problem [duplicate]

I am a complete new to ubuntu and trying to learn things here.So, i have installed ubuntu 13.04 on my Vaio VPCEH25EN and facing the following issues:- 1.I cannot press any buttons on the login screen ...
0
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0answers
576 views

Ubuntu Brightness Not Working

I am using 12.04 in my dell inspiron 3521.It has got AMD radeon 7600 and intel graphics.Brightness control was working perfectly. After wiping the pre installed 12.04,I installed new 12.04 ...
0
votes
1answer
187 views

Odd start up, blank then error, then quick boot 13.10

When I boot up sometimes I get: BIOS, blank purple screen for a bit, a black screen with printed on it: [ 10.838171] INFO 0w1_cfg80211_attach : Registered CFG80211 phy then the orange dot ...
3
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5answers
2k 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 ...
2
votes
1answer
1k views

Auto-change in brightness after reboot Ubuntu 13.10

I have noticed that after I set the brightness (High to Low) in Ubuntu 13.10 and then after when I do my work. After rebooting up the PC, the brightness again turns to High. I'm literally tired of ...
1
vote
2answers
350 views

Unable to change Brightness Ubuntu 13.04 Toshiba Satellite A105

I have a Toshiba Satellite A105 s4384 running Ubuntu 13.04 and for some reason I cannot change the brightness. Neither the function keys (Fn + F6/Fn + F7) nor the settings work, and it is really ...
0
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0answers
39 views

Screen brightness is reset to minimum after power source change

On any power source change (AC > BAT or BAT > AC), the screen brightness goes to minimum. i noticed this problem since upgrade to saucy Is there a way to fix it ? or even better,set a screen ...
0
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0answers
401 views

Can't turn off backlight/display - 13.10 / iMac

I can find no way to completely turn off the display on a late 2013 iMac running 13.10 (Saucy). In the power management settings, I configured the display to "turn off" after one minute to see what ...
1
vote
2answers
278 views

How can I stop my Dell Inspiron laptop from dimming the screen when I plug in the AC adapter?

I'm using a Dell Inspiron N5110 laptop with Ubuntu 13 and I find that every time I plug the power in to charge, the screen brightness dims. If I go into the brightness settings window the brightness ...
0
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0answers
430 views

Automatic Screen Brightnes

i know this question have been asked many times but i really cant get it to work. I just installed Ubuntu 13.10 on my Lenovo G580 laptop and i'm trying to manage screen brightness when on battery or ...
1
vote
1answer
1k views

Brightness bug after upgrading Ubuntu 13.10

I had Ubuntu 12.10 on my PC, and I did the upgrade to Ubuntu 13.10. But now I have a problem with brightness control, it is always on maximum level and I can't set it neither with fn nor with ...
2
votes
0answers
1k views

Can't control screen brightness on saucy on Acer Aspire 5755 and Acer Aspire V3-571G

I can't control the screen brightness in Ubuntu 13.10. I tried the way that worked for me on 12.04, 12.10 and 13.04: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" but it doesn't work on 13.10. My ...
0
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0answers
169 views

Backlight brightness issue and USB error message

I have a Acer Aspire v5-551g with dual graphics AMD core A6. When I change the brightness like I make it maximum low, after a reboot or wake the brightness is full again. I have installed AMD's ...
3
votes
1answer
945 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 ...
0
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0answers
107 views

Problems with Ubuntu 13.04 (wifi and screen brightness) on HP 2000-2b59WM

I use Linux for over 2 years on my desktop computer, so far I never had many problems and it always worked fine for my needs as an engineering student. Going straight to the point, there is no ...
2
votes
2answers
2k views

Ubuntu 13.10 and Dell Inspiron 7520 SE (Intel 4000 and ATI radeon HD 7730m)

I installed 13.10 and i have problems with my display. Everything else works fine. I cant control my brightness. I thought the graphics driver is the problem. So i went to software updates, switched ...
1
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0answers
144 views

Problems with sound/shutdown screen on Ubuntu 13.10

I'm running Saucy on my Dell Latitude D620 laptop and often when I press the 'mute' button the shutdown screen appears. It doesn't do it every time but often enough to be irritating. As I've been ...
1
vote
1answer
289 views

How to lower monitor screen brightness? [closed]

I'm using 10.10 ubuntu and i want to reduce my screen brightness. In windows 7 option like calibrate color is available by which i have reduced brightness, is there any thing i can do in ubuntu.
1
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0answers
776 views

Brightness at 100% since updating from Kubuntu 13.04 to 13.10

since I've updated to Kubuntu 13.10 my brightness level is at 100%. I already googled around and tried different tips, but none of them worked. I've edited /etc/default/grub to ...
0
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0answers
75 views

DSDT seems OK still cannot control brightness?

In windows I can change brightness but in Ubuntu I am not able to. After looking here and there I thought why not get DSDT from windows and compare it with the one in Ubuntu so as to locate any errors ...
2
votes
4answers
761 views

Lenove Z570 Brightness Setting Gone in Ubuntu 13.10

My Lenovo Z570 with Ubuntu 13.10 only now has not brightness controls. I tried some of the command line hacks (xbacklight and all) and checked all my drivers and bios (all are up to date) but nothing ...
1
vote
0answers
192 views

How do I adjust the brightness settings on a Samsung N210? [closed]

I have two Samsungs N210. You can turn the brightness up and down with the Function key and the keyboard arrows (up and down). I´ve installed Ubuntu 13.04 in one of them, and it works like a charm. ...
5
votes
7answers
9k views

Brightness issue in a Lenovo ThinkPad Edge LR236W5

After upgrade from 13.04 to 13.10 Brightness is not working. Please let me know how to fix this issue, Machine configurations given below. id: thinkpad description: Notebook product: 0301G8G () ...
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 ...
3
votes
3answers
4k views

Unable to change brightness with ubuntu 13.10 on ASUS 453t series (It worked with Ubuntu 13.04)

The brightness icon is shown but nothing happens. Even if I try to change the brightness in "System Settings" nothing happens. The thing is it didn't happen with Ubuntu 13.04, so I would like to know ...
0
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0answers
50 views

why my monitor is so dark when ubuntu starts?

My problem is that my monitor is very dark when ubuntu starts. I can change it in bright and lock but some time is so dark that i cannot find the mouse arrow. Can somebody tell me a way to setup ...
2
votes
3answers
1k views

Brightness problem after upgrade Ubuntu 13.10

I have upgrade to 13.10 recently. But, the brightness is working after I add this in version 13.04 before. After I upgrade to 13.10, this code is not working on ASUS Slimbook X401U #!/bin/sh -e # # ...
0
votes
0answers
870 views

Screen brightness and wireless problems on Kubuntu Thinkpad after upgrading to 13.10

Upon upgrading from 13.04 to 13.10, I am no longer able to change the brightness via KDE system settings or the battery monitor widget. Upon editing my /etc/default/grub to ...
0
votes
0answers
149 views

Brightness keys change display settings in Ubuntu 13.04 (HP Pavilion g6)

I have Ubuntu 13.04 installed on my HP Pavilion g6 notebook with AMD Radeon HD 7420G (Catalyst 13.4). When I change brightness (using F2/F3 keys or Brightness & Lock utility in Ubuntu), in ...
0
votes
0answers
166 views

Set default brightness on Lenovo p500

This is a somewhat silly question, and not a major issue, but- by default when I load up Ubuntu on my Lenovo P500, the screen brightness is ALWAYS as it's lowest setting. Now, I type in my password ...
1
vote
1answer
746 views

Brightness settings not working on Aspire E1-571G

When I try to adjust the brightness bar in 'Brightness & Lock' in system settings. There is absolutely no change. Is there some other way that I can configure my screen brightness other than in ...