Questions related to screen brightness.

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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
695 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
404 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
788 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
894 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 ...
15
votes
8answers
27k 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
20k 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
647 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
461 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
422 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 ...
5
votes
8answers
12k views

Changing screen brightness

I have a hp pavilion dv6 with xubuntu installed. however there isn't a way to change the screen brightness, i tried the fn plus scroll keys to no avail, any ideas?
-1
votes
1answer
502 views

Samsung N135 Brightness won't stop cycling after 11.10 upgrade [closed]

I updated my netbook to 11.10 last night. This morning I find my screen will not stop cycling through the brightness setting. Fn key doesn't respond and it's actually using up all of my system ...
2
votes
2answers
983 views

Change brightness Vaio FZ

I can't change the brightness on my Vaio VGN-FZ340E. There isn't even a slider on the screens window. The only way I've found to do it is to use smartdimmer throught the command line, however this is ...
3
votes
0answers
357 views

Display Brightness [duplicate]

Possible Duplicate: How can I adjust brightness settings when I am on battery? I remember that in Windows you could put a different Display Brightness when I was on battery in my laptop, ...
3
votes
1answer
1k views

Must close and open laptop lid to recover from screen turn-off on an Acer Aspire 5740

I have an Acer Aspire 5740-5780 laptop with ubuntu 11.10. I don't have the more common problem of the black screen on boot. Rather, under System Settings..., in Screen, under Brightness, with the ...
3
votes
2answers
17k views

How to disable screen dimming after inactivity when this is already disabled at system settings?

When my Dell Vostro laptop is connected to the power, the screen is dimmed after 10 seconds. This is very annoying. When my laptop is running on the battery, the screen is not dimmed after ...
5
votes
5answers
7k views

Can't adjust brightness on my MSI VR420 laptop

Using every method possible I'm unable to change my laptop brightness.. It's stuck on super max brightness.. Using the slider in the "screens" window int he control panel doesnt do anything, and using ...
0
votes
0answers
522 views

Changing brightness doesn't work [duplicate]

Possible Duplicate: How do you change brightness, color and sharpness from command line? Previously (on Ubuntu 11.04) I was able to manually dim my screen further than the Fn-keys would ...
1
vote
0answers
800 views

Brightness issues on a Dell Inspiron N7010 [closed]

I have installed Ubuntu 11.10 64-bit on my Dell Inspiron N7010 . When I'm away, the screen locks itself out and the screen goes black. However, when I move the mouse or press any keys it doesn't ...
0
votes
1answer
2k views

how to have the brightness icon displayed on acer laptop screen

I used to have a meter icon displayed on my Acer laptop screen when changing brightness or volume with the hotkeys - it would show the level of adjustment. I don't know what has been turned off or ...
2
votes
2answers
892 views

How to change screen brightness on a Lenovo E46A?

I am using lenovo E46A in window i was able to change screen brightness with the control (Fn) but now in ubuntu I can't change it the cursor shows but brightness doesn't change a bit ....So someone ...
1
vote
0answers
148 views

Brightness tooltip seems broken, any idea how to solve? [closed]

In Ubuntu 11.10 this bar is stuck between max (full brightness) and this position: Keyboard shortcut to brightness are working full spectrum though... Any idea how to fix this?
0
votes
1answer
1k views

Screen brighness control doesn't work on a Samsung Netbook NN150Plus [duplicate]

Possible Duplicate: Getting function keys working on Samsung RV510 notebook I have just updated to 11.10 form 11.04. I use a Samsung NN150Plus netbook and have no control over the screen ...
3
votes
5answers
4k views

Brightness issues on a Samsung N220

I updated my Ubuntu to 11.10 a few hours ago and the screen brightness keeps going up to the maximum and down to the minimum all the time on it's own. Sometimes it stops for a few minutes. And when I ...
25
votes
5answers
33k views

How do I set default display brightness?

Is it possible to set the default display brightness so you don't have to re-adjust it everytime you reboot? My laptop display is killing my eyes at the login screen already because it starts at 100% ...
6
votes
3answers
2k views

How do I permanently change the brightness of the screen?

On the previous versions the default screen brightness was perfect for me but on 11.10 the default brightness is killing my eye. I have changed the brightness like this level but after restarting ...
3
votes
1answer
1k views

Display brightness goes two shades darker if I am idle for 10-11 seconds

The display brightness comes down 2 shades darker if I'm idle for 10-11secs!! It automatically dims itself :o and it's very distracting! Earlier this could be avoided through power management, by ...
0
votes
0answers
4k views

Brightness setting not saved in Ubuntu 11.10 [duplicate]

Possible Duplicate: How to make GNOME remember brightness setting I have to reconfigure the brightness every time after reboot. is there anyway to make it remember the settings, or other ...
5
votes
0answers
5k views

How do you save the brightness settings? [duplicate]

Possible Duplicate: Desktop doesn't remember brightness settings after a reboot It becomes quite annoying to lower brightness each time I boot up my system so, I've been searching how ...
15
votes
4answers
17k views

How do you change brightness, color and sharpness from command line?

I am controlling my PC with SSH and scripting. How can i change the brightness, color and sharpness from command line? Try 1: failed $ sudo redshift -t 5000:5000 -g .5 Cannot list GNOME panel ...
1
vote
0answers
1k views

Screen brightness stops working after standby? [closed]

So, I just bought a new laptop yesterday (Toshiba Portege R835-P70) with an Intel graphics accelerator and installed Xubuntu 11.04. Everything works fine except after waking from standby. The screen ...