Questions related to screen brightness.

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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
26k 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
643 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
459 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
421 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
501 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
980 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
797 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 ...
22
votes
5answers
32k 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 ...
14
votes
4answers
16k 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 ...
2
votes
2answers
1k views

Brighness and sound problems on an Acer Aspire 4750G

I am using ASPIRE 4750G, with processor of Intel Core i5. Currently I'm using Ubuntu 11.04 - the Natty Narwhal. I would really need some guide how to fix these problems: I can't hear any sound after ...
3
votes
2answers
863 views

how can I force the screen to stay at maximum brightness in a laptop running on battery?

I have a laptop with Intel integrated drivers running on battery and I would like to force the screen to remain in maximum brightness even when it's idle, for example, when reading a document without ...
28
votes
9answers
48k views

Unable to change brightness in a Lenovo laptop

Brightness adjustment keys <Fn + ⇑/⇓> have no effect (although they are recognized by the environment), and I can't change the brightness using GUI tools as well. This seems like a problem in ...
20
votes
7answers
20k views

How can I change brightness through terminal

Now I can change it by Fn+ arrow right but now I need to do it via my shell script
1
vote
2answers
654 views

Display Brightness Scaling is Incorrect on a VAIO CW

My display brightness adjustment is off by a factor of 10, i.e. it's brightest at 10% instead of at 100%, and the difference between 0% and 1% is a little too high. Any way to fix either of these ...
5
votes
2answers
1k views

How can I change the percent of screen brightness that changes every time I press the shortcut?

When I press Fn+F6 the change in brightness is too big. How can I make it move less than it does now? (Let's say, half that, for example.) (11.04/Gnome. I'm on proprietary nvidia drivers.) EDIT: I ...
5
votes
3answers
7k views

Laptop Brightness Problem on Toshiba Portege R705-P35

Basic Specs: Toshiba Portege R705-P35 13.1" screen Intel HD Graphics 4 GB RAM, Core i3 2.4 GHz Dual Boot Ubuntu 11.04 and Windows 7 (using grub bootloader) Basically, Ubuntu recognizes me ...
3
votes
0answers
904 views

HP DV6 2011 Brightness Keys Do Not Work [closed]

I've searched around and no solutions seem to work that worked for older models. Not sure what to do next. I'm unable to change my brightness with the keys on the keyboard. I can however use the ...
17
votes
4answers
8k views

Is there an alternative to Redshift and F.lux which only dims the screen?

I want one where it reduces the screen's brightness, either by time or on demand (I don't mind). I have onboard Intel graphics. I don't want it to be like Redshift where it changes the screen's hue.
4
votes
2answers
2k views

Is there a way to set the brightness of my desktop PC using key shortcuts?

I don't really know what relevant information to post here... I'm using Ubuntu 11.04 with unity enabled using free drivers for the Nvidia card FX-5200 256MB (private drivers don't work). I'm using ...
19
votes
3answers
2k views

Stop an insolent narwhal from “correcting” monitor brightness?

I want total absolute control over the brightness of my laptop's screen. I want Natty to fear my wrath should it dare to presume my desire. Natty's light adjusting minions should quake in terror ...
2
votes
2answers
4k views

Adjusting brightness on Dell Vostro 3500 won't work

On a fresh install of Ubuntu 11.04, running Unity, I can't adjust the brightness via Fn+Up/Down. The brightness panel will show, and increase/decrease accordingly, but the actual brightness never ...
2
votes
1answer
6k views

Samsung netbook N150Plus screen brightness not working

I have a Samsung netbook N150Plus (mod# NP-N150-JP02UK) on which I have just installed 11.04 but although the function key works for the screen brightness and brings up the brightness +/- animation, ...
6
votes
2answers
359 views

Diagnose brightness control [closed]

Brightness control on my laptop does not work, how can I diagnose if it's unsupported, or a bug? And if it is a bug, what do I include in the bug report? UPDATE Thank you for all the responses, ...