Questions related to screen brightness.

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8
votes
11answers
5k 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.
0
votes
2answers
716 views

Annoying Screen Flickers on MSI U120

My screen brightness changes on my MSI U120 when I log in. I can fix this by switching workspaces, and the screen will stay at a constant brightness. Changing the brightness using the function keys ...
1
vote
0answers
1k views

How can I adjust the screen brightness on my laptop via Fn buttons? [closed]

When I press the Fn+F5 or Fn+F6, the sliders goes up or down, but the brightness won't change. I had the same issue on the Lucid Lynx, but I could fix adding ”quiet acpi_osi=Linux ...
0
votes
3answers
3k 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 ?
8
votes
2answers
2k 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 ...
1
vote
1answer
345 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 ...
11
votes
4answers
6k views

Brightness control on Awesome windowing manager

I have just installed Awesome WM and I have no options to change the screen brightness, and also its shortcut doesn't working. Any one can help?
2
votes
1answer
1k 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 ...
5
votes
3answers
2k views

2 folders in Sys/Class/Backlight?

ISSUE: Backlight brightness does not change. More Detail: Brightness will not change, using both 'System Settings->Screen', or FN keys (Brightness bar shows and moves, but screen brightness does not ...
5
votes
3answers
3k views

Can't adjust brightness on a HP Pavillion Dv3

I can not adjust the screen brightness on my HP Pavillion Dv3-2154ca, using Ubuntu 11.10. My Fn-f7/f8 keys don't work (they just show a changing screen brightness bar, with no effect), and adjusting ...
1
vote
1answer
731 views

Screen brightness out of control in Samsung n210 after updates [closed]

After download of new updates in Ubuntu 11.10 on a Samsung N210, the screen brightness goes crazy - it dims and brightens uncontrollably. What can I do about it? Have I any chance besides not allowing ...
4
votes
4answers
574 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?
4
votes
2answers
4k views

Change screen brightness automatically on AC connection/disconnection

I want to keep the screen brightness at minimum level when its unconnected to power and at maximum level when it's connected On Ubuntu 11.04 it was possible, through this config screen: However on ...
2
votes
1answer
653 views

Lenovo Laptop Dims always on reboot

I always have to press by Fn + Brightness increase key in Ubuntu. I have switched off all the power management and still this happens. I am on a Lenovo ideapad U260 and can't to seem to set the ...
1
vote
1answer
2k views

Brightness problem NC110 (Samsung)

Translated into English Hello everyone. It looks like I'm not the first person to have this problem, but since I'm new in the Ubuntu community, I don't know how to launch the terminal. There you ...
1
vote
1answer
1k views

battery backup issues on acer timeline 3830tg

I recently bought Acer timeline 3830tg for my studies and installed ubuntu 11.10 and currently using gnome-shell. I also have changed by graphics mode from hybrid to integrated mode to increase ...
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 ...
1
vote
2answers
2k views

Unity brightness indicator doesn't work

I followed this tutorial to set the brightness indicator on Unity. But when I run the sudo /opt/indicator-brightness/indicator-brightness.py command from a terminal, I get ...
2
votes
3answers
1k views

Screen Brightness on new MacBook Pro 8,3?

2011 8,3 MacBook Pro running 64bit 11.10. The screen brightness keys seem to actually do things, but nothing actually changes with regard to actual laptop screen brightness. (See this video. Ubuntu ...
0
votes
0answers
2k views

How to tell Ubuntu 11.10 not to set screen brightness to 100% after each reboot? [duplicate]

Possible Duplicate: Desktop doesn't remember brightness settings after a reboot After each reboot, Ubuntu sets the screen to full brightness. I have to manually adjust the screen ...
3
votes
1answer
2k views

Why don't my Fn keys work for brightness or media after upgrading?

I recently upgraded from 11.04 to 11.10. After the upgrade, I can no longer adjust the screen brightness or the volume using keyboard (before the upgrade, using Fn+F4, Fn+F11, etc. worked). Using ...
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 ...
0
votes
1answer
290 views

Brightness is set at max and unable to changed

Brightness is set at max and unable to changed.. Also CPU always at maximum level..please help... Acer Aspire 5750G i7 8GB ram GPU 540GT
1
vote
3answers
2k views

Screen brightness not changing on a Packard Bell tx86 [closed]

I'm currently running ubuntu 11.10 on my Packard Bell tx86 when I try and use the fn key to change brightness, the icon thing appears in the top corner of the screen and the bar increases/decreases in ...
0
votes
2answers
700 views

LCD brightness step on T520 with Ubuntu 11.10

On Lenovo T520 combination Fn + Home/End for increasing/decreasing screen brightness works perfectly out-of-box but with the step = 3. It's too coarse (HW values are 0..15). How to change the step to ...
1
vote
1answer
2k views

Why can't I set screen brightness?

I have an HP Pavilion g6 and can't adjust the brightness. I have specific buttons for this on my keyboard, but they are not working. Tried in System Settings too, but even if I change the brightness ...
13
votes
5answers
18k views

How to make Unity remember brightness settings?

This question has been asked many times for Ubuntu 11.10 but it always has been closed and linked with this link, but that accepted answer is from 2010 and that setting doesn't work anymore for Ubuntu ...
5
votes
2answers
6k 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 ...
2
votes
1answer
1k views

Few problems on Dell xps 15 L502 (screen brightness, bluetooth, wi-fi power management problems)

I am running ubuntu 11.10 32bit in my dell xps L502. Working well except for a few problems. Blue tooth always turned on reboot,I would like to turn it off always. Screen brightness is not saved. ...
1
vote
0answers
405 views

Can't get the screen's brightness to work properly in MacBook Pro [closed]

When i turn the computer on the brightness is at it's maximum, but when I try to decrease it a little, the light gets very low and I can't increase it until I restart.
4
votes
3answers
2k views

Change screen brightness on a desktop? [duplicate]

I'm running Ubuntu 11.10 on a desktop, so I don't have fn, and the option doesn't appear in under System Settings > Screen as it apparently only appears if your computer is detected to be a laptop. ...
2
votes
1answer
790 views

Display brightness and resolution issues with an Nvidia GT520M

I have a notebook with NVidia GT520M (which uses Optimus technology) and after a long and bloody fight I finally put it to work through Ironhide. Last night I let my notebook be out of battery by ...
2
votes
2answers
4k views

I`ve got some problems with new Acer Aspire S3

I just got a new Acer Aspire S3 Laptop, and I've installed Ubuntu on it. Here is some problems: 1. Bluetooth (AR3012) can't find any devices. rfkill shows that everything is fine, but I still can't ...
10
votes
3answers
16k views

Screen brightness reset to minimum after every reboot

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 (at maximum). How can ...
3
votes
6answers
9k 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 ...
0
votes
1answer
1k views

brightness settings on Ubuntu 11.10 64bit, Hardware Dell 1555 with ATI Mobility Radeon HD4570

My laptop Dell studio 1555 has Ubuntu 11.10. At every boot I have to set the brightness level as it gets reset to 100%. Could you please help me out to find a way not to change it every time? Thank ...
1
vote
1answer
896 views

Brightness can't be adjusted

I just installed Ubuntu 12.04 yesterday and I can't seem to turn the brightness down. The function keys change the slider but not the brightness and the keys work perfectly on windows 7. I am using ...
3
votes
1answer
3k 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
2answers
2k views

Why doesn't my laptop screen brightness go down when unplugged after 11.04 to 11.10 upgrade?

As stated above, after the upgrade to 11.10 my laptop no longer dims the screen when I go on battery power. Why?
1
vote
1answer
125 views

Can I remove the brightness tooltip?

I don't need the tooltip because changing the brightness gives you visual feedback on its own. More importantly, the tooltip really slows down my computer - if video is playing the tooltip causes it ...
17
votes
8answers
29k 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. ...
0
votes
1answer
2k views

Brightness control in ubuntu 11.10 [duplicate]

Possible Duplicate: How to make GNOME remember brightness setting The brightness control default setting is set to maximum in system settings > Screen. Every time I open my laptop i have to ...
7
votes
11answers
21k 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 ...
-1
votes
1answer
654 views

Brightness control won't work on a Samsung NF208 [closed]

I just installed ubuntu 11.04 on my samsung NF208 and at first it worked just fine, the fn key was all alright except the fn+f9 (I guess that's normal as it opens up a samsung-specific software). ...
0
votes
5answers
2k views

Can't adjust using brightness keys on an HP DV6 6080 and can't using projector switch button [closed]

I use ubuntu 11.10 64bit on my Hp dv6 6080 laptop. i have problem in ubuntu 1) i can't adjust lcd brightness in ubuntu with brightness keys. how can i adjust lcd brightness because lcd brightness ...
1
vote
1answer
462 views

Black screen and no sound after login

My notebook is Asus U31SD and I'm using Ubuntu 11.10 with gnome-shell and I'm having this weird problem that after login I can hear start sound and I barely see the desktop. To fix it I need to press ...
1
vote
0answers
2k views

Power Managements/Settings Problem with Ubuntu 11.10 [closed]

I have Acer 722 netbook with C-60 APU 1GHz and AMD 6290 graphics. I upgraded my 11.04 to 11.10 and there are less functions in power managements, I have no control when my machine sleeps, hibernate, ...
1
vote
1answer
2k views

Can't decrease/increase brightness on Samsung NP300V3A more than 1 step

I just installed Oneiric on a SAMSUNG NP300V3A (Series 3) laptop. Everything seems to work fine more or less except one thing: I can't reduce screen brightness more than 10% or so. Fn+F3 (brightness ...
0
votes
1answer
423 views

Brightness shortcuts don't work on on an Acer 4741

When I press Fn+Down and Fn+Up (the shortcuts for change brightness), it shows the indicator that the brightness has change, but its not change at real. I've use this method Screen brightness not ...