Questions related to screen brightness.

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3
votes
2answers
2k views

Adjust brightness and contrast on an Acer Aspire as5750?

I have an acer aspire as5750. With the intel hd 3000 graphics. When i use the adjustment function keys the dial moves but it doesn't translate to the screen diming. Same with the dial in linux ...
4
votes
1answer
3k views

Minimum Brightness Level too Bright/High on an Asus UL-50

the minimum brightness level is too bright for me. I did take a look at the following post: Decrease Backlight Below Minimum but the solution mentioned did not work for me. Before using ubuntu, I ...
0
votes
1answer
3k views

How to make xfce (xubuntu-desktop) have no brightness-levels?

I want to have a smoother experience. With xubuntu-desktop I have just about 6 brightnessteps with my laptop. But in Gnome when the desktop darkens, it happens without steps like in mac. Is it ...
3
votes
1answer
1k views

How do you make the keyboard brightness button adjust at smaller intervals? [duplicate]

Possible Duplicate: How to increase brightness in smaller steps? I have a Lenovo Thinkpad T60 running Oneiric. According to the files in /sys/class/backlight, I should be able to adjust the ...
1
vote
2answers
4k 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
0answers
360 views

Screen Brightness Doesn't Change. Gateway NV54 [duplicate]

Possible Duplicate: Unable to adjust screen brightness on Gateway NV54 I have a gateway nv54 and the screen brightness does not Change. So I installed indicator brightness but this did not ...
2
votes
0answers
283 views

Can't calibrate color manager on THINKPAD SL 500 UBUNTU 11.10 [closed]

Im unable to calibrate my screen on ubuntu 11.10 (THINKPAD SL 500). The calibrate button is disabled.
18
votes
5answers
10k views

Decrease Backlight Below Minimum

I have this laptop that doesn't handle the backlight very well. In /etc/default/grub, I have added a acpi_backlight=vendor function to get it to work at all. Which is cool, and the backlight now ...
3
votes
2answers
2k views

No brightness control, HP dv3500 laptop / GeForce GPU

I feel almost stupid asking a brightness question with all the similar ones out there, but I haven't yet found a working solution, so here goes: System HP dv3500 series laptop (dv3550eo - ...
1
vote
1answer
1k views

Brightness keys don't work on a Toshiba Satellite t110

Ok well I have tried close to every single post about this problem that I could find and can not find a perm a fix for it. The fn + brightness up/down buttons do not work at all they show it changing ...
2
votes
2answers
799 views

volume & brightness control

I have just installed ubuntu 11.10 oneiric on my dell studio 1569. I am experiencing a strange problem with brightness control, volume control etc: my hotkeys are enabled and, apparently, when I use ...
10
votes
11answers
6k 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
755 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 ...
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
349 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
7k 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 ...
6
votes
2answers
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 ...
4
votes
4answers
580 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
662 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
291 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
0
votes
2answers
713 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 ...
14
votes
4answers
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. ...
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
801 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
899 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
4k 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
127 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 ...
18
votes
8answers
34k 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 ...