Questions related to screen brightness.

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6
votes
2answers
357 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, ...
7
votes
1answer
7k views

How to change the shortcut to adjust brightness?

I want to make my own shortcut to increase or decrease brightness. I don't like the default shortcut of my HP laptop (Fn + F7 to decrease and Fn + F8 to increase). Is it possible?
1
vote
1answer
3k views

How to get Compaq Presario CQ62 brightness keys to work?

I've tried the brightness keys for my laptop in both Maverick and Natty and they don't work in either distribution. The key seems to be taken as a shortcut somewhere because it won't allow me to ...
0
votes
1answer
1k views

Thinkpad W510 with default graphics drivers shows weird brightness issues

Hey guys, I am currently running 10.10 - 32 bit on a new Thinkpad W510 with nVidia Quadro FX 880M graphics card. I am running with the default graphics drivers that installed with ubuntu install. My ...
2
votes
0answers
322 views

Screen dimmed upon wake after standby [closed]

Sometimes upon resuming from standby I find my screen brightness dimmed to the lowest setting, even though the indicator says it's where I left it. If I use my brightness function keys I get the ...
0
votes
2answers
623 views

General Problem: No Sound, can't reduce Brightness. lspci attached

I've installed Ubuntu Lucid in my lappy (Compaq CQ42 173TU) before with Wubi, the sound and brightness problems were still there. I thought it was a problem due to installing through Wubi. So I ...
2
votes
2answers
3k views

How to handle brightness trouble on dell inspiron i14R-2265?

Recently I've installed Ubuntu 10.10 32-bit on my Dell Inspiron i14r-2265, but it looks like brightness control is not working. I can change it "programmatically" (FN + brightness key), though actual ...
2
votes
3answers
2k views

Can't change brightness on Packard Bell LM86

I got a Packard Bell EasyNote LM86 and the problem is I cannot set the brightness. I have tried with both the hotkeys which is Fn and either F11 to turn down and F12 to turn up. I have also tried ...
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
522 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, ...
48
votes
11answers
37k 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?