Questions related to screen brightness.

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5
votes
8answers
13k 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
994 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
359 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
809 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 ...
27
votes
6answers
35k 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
18k 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
894 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 ...
30
votes
10answers
52k 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 ...
21
votes
8answers
22k 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
660 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
905 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 ...
18
votes
4answers
9k 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
362 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
8k 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
4k 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
628 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
3k 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 ...
23
votes
4answers
5k 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
9k 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
540 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?