Questions related to screen brightness.

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5
votes
4answers
4k views

Changing brightness on a Sony Vaio laptop

I just installed Ubuntu 10.10 on a Sony Vaio laptop. The brightness functions keys don't change the brightness. When I try to change the brightness I can see the levels going up and down in the ...
21
votes
3answers
4k views

Use webcam to sense lighting condition and adjust screen brightness

Is there a way to have my webcam sense lighting conditions and adjust screen brightness accordingly?
5
votes
3answers
7k views

Screen brightness not changing on Acer 5742 notebook

Screen brightness is not changing on my ACER 5742 notebook. I have Ubuntu 10.10 installed inside Windows 7 OS. Hotkeys are used for changing brightness. Though, a bar displaying brightness level ...
3
votes
1answer
1k views

How to get back the brightness-notification when changing brightness via hotkeys?

Some Ubuntu-versions ago, there was a Popup that showed up while changing the brightness on my Asus V6V with FN+Key. It has been gone since (I guess) 9.04. When changing the Audio-Volume, I still have ...
1
vote
2answers
3k views

Brightness control not working on HP Pavilion dm3t (Intel GMA 4500MHD)

I picked up an hp dm3t laptop with intel HD graphics and installed ubuntu 10.10 64 bit on it. It works great -- the only problem is that the brightness controls on the keyboard don't work. The ...
7
votes
1answer
8k views

How to stop gnome-power-manager from changing the global backlight setting?

After installing Ubuntu on my ThinkPad T510, the GDM screen and GNOME session would always start at 100% brightness. I quickly found out, that this can be controlled via gnome-power-preferences, but ...
5
votes
3answers
520 views

How can I adjust the time that automatically reduces the brightness of screen?

At the moment it uses just a few seconds of inactivity after that ubuntu reduces the brightness of my screen. Where do i find the option to increase this value?
2
votes
5answers
3k views

Dell Inspiron n5010 Brightness Issue

I have recently installed Ubuntu 10.10 on my Dell Inspiron n5010 but screen brightness is not working, there is no effect of pressing fn+brightness keys. Is there anyway to fix it?
0
votes
1answer
174 views

Cannot do temporary change in brightness

I mainly use my netbook for writing and browsing. So I have set the brightness to a minimum level. Sometimes when I watch videos I increase the brightness using hotkeys. But when increased after few ...
18
votes
4answers
12k views

Is there a software utility to adjust screen gamma/brightness/contrast?

I use to work at night and it is eye-hurting to watch at lightbulb-bright screens (I've got two - laptop's built-in panel and an external 18-inch CRT) in a dark environment. So I adjust my screens to ...
6
votes
4answers
11k views

Can't adjust brightness on my laptop

I'm having difficulty in adjusting brightness on my Acer Aspire 4740: Screen 14.1-inch glossy LED-backlit, 1366x768 res CPU Intel Core i5-430M 2.26-GHz RAM 1GB DDR3 HDD 320GB Graphics ...
2
votes
1answer
3k views

Is there a way to control flash video brightness independently, via config file?

My monitor brightness is reduced because it was causing me headaches. Web pages are displayed fine, but flash videos are too dark. I can control gecko-mediaplayer plugin brightness via mplayer config, ...
47
votes
11answers
36k views

Desktop doesn't remember brightness settings after a reboot

Every time I reboot my machine the brightness goes back to 100% in Gnome. I wish it would keep the last setting. Is there anyway?