0
votes
0answers
15 views

Brightness wont turn down?

I've had a few operating systems on my laptop in the past couple of months including alot of Ubuntu based ones. One thing Ive had a problem with in all the Ubuntu based systems is that I can't turn ...
0
votes
0answers
21 views

Screen goes blank after less than a minute of locking

I am using Ubuntu 14.0.4 LTS Desktop. I pressed CTRL+ALT+L to lock my screen. The screen did lock. After several 10 seconds, the screen goes blank. I checked on my brightness&lock settings, it ...
1
vote
0answers
49 views

How can I adjust screen brightness on Toshiba C665-X5010?

I am using Toshiba C665-X5010 laptop having NVIDIA GeForce 315M GPU. I have installed Ubuntu 14.04 recently and I couldn't adjust my screen brightness. Please help me.
0
votes
1answer
48 views

Brightness change freezes Ubuntu with Noveau and Nvidia drivers [duplicate]

Both Nvidia and Noveau were working fine before my bios update and now they both crash when I change the brightness. Integrated still works fine with brightness and I've tried several Nvidia drivers ...
0
votes
1answer
69 views

Problems with the drivers, mouse and display

I have installed Ubuntu 14.04 alongside windows 8 in my laptop. These are the issues I am facing after the installation: 1- I am not able to change the brightness of the screen. 2- The cursor keeps ...
0
votes
0answers
191 views

Brightness adjustment not working on Ubuntu 14.04

My netbook keyboard has a brightness adjustment key, with which the brightness adjustment was successfully working till I updated to 13.10. Now the brightness adjustment fails. This link (Display ...
0
votes
1answer
94 views

I unchecked “dim the display”, but it's still diming

I have problem on my asus k55a running ubuntu 13.10. I have unchecked "Dim screen to save power" in Brightness & Lock, but the screen is still dimming after a while. This is very annoying when I'm ...
2
votes
1answer
67 views

Adjusting default brightness upon boot

When I boot to ubuntu 12.04, the back light on my display turns off and I have to press the increase brightness button 4 times to get it to the desired brightness. Is there a terminal command I can ...
0
votes
1answer
1k views

13.10 brightness flickering MSI Wind U100

Vanilla install of Ubuntu 13.10 on my MSI Wind U100. Intel graphics card I think. Auto brightness flickers up and down, brightness hud display top-right also flickers. Interrupts input so need to ...
0
votes
0answers
78 views

How do you get the display to automatically shut off in Ubuntu 13.10?

The display will not automatically turn off after 10 minutes, even though it is set to do so in the Brightness & Lock under System Settings. Running these commands in a terminal will cause the ...
0
votes
0answers
415 views

Can't turn off backlight/display - 13.10 / iMac

I can find no way to completely turn off the display on a late 2013 iMac running 13.10 (Saucy). In the power management settings, I configured the display to "turn off" after one minute to see what ...
1
vote
0answers
428 views

FN brightness keys only has 3 steps on laptop with nVidia Optimus

First, I'm a noob at linux. I've tried about everything to fix this but nothing seems to work. My FN keys for the backlight only has 3 steps - either its maximum, medium or minumum. ls ...
1
vote
0answers
119 views

Turning Backlight on on external Monitor

I have a lenovo laptop running xubuntu smoothly. I plugged in a dvi monitor with a hdmi to dvi wire. The display works perfectly for two seconds then the backlight turns off. I cant find a way to ...
0
votes
1answer
195 views

Very low brightness in setup

My screen is in very low brightness during setup, and can barley see using a torch. Im new to ubuntu and using 13.04 so please make it simple thanks. Laptop: Acer Aspire 5336 Model: PEW72 Shared ...
1
vote
0answers
177 views

ubuntu 13.04 issues with screen and suspend

I installed ubuntu 13.04 yesterday on my sony vaio vpceg18fg(http://www.sony-asia.com/product/vpceg18fg). There are two problems. 1) I cannot increase/decrease screen brightness 2) after waking from ...
0
votes
1answer
321 views

Cannot change brightness

I'm using Ubuntu 13.04 and my graphics card is Nvidia GF 620M. For some reason, Ubuntu is using the Ivy Bridge processor. It works fine, though. The only issue I'm facing is the brightness. I can't ...
3
votes
2answers
2k views

Brightness settings from terminal

I do change the Turn screen off when incative for: often using the below screen in Ubuntu 12.04. How do I change the same from the terminal? I did check in the gconf-editor, but couldn't figure it ...
0
votes
1answer
7k views

How to install Intel Media Accelerator Driver in Ubuntu 12?

I have always been windows user, this is the first time i have switched to anything other than windows. The problem is that the display is very very dark and i know it has nothing to do with my ...
1
vote
1answer
696 views

Brightness setting in Lenov Thinkpad Edge E530 after update to kernel 3.8 not working

I used to run Dream Studio Unity (ivy bridge version) on sandy bridge on Thinkpad Edge E530 (B960 proc.), which worked OK, but after it updated itself to kernel 3.8 no more enables to set display ...
5
votes
2answers
3k views

Brightness Control in ubuntu 13.04-64bit not working in Toshiba T110

I'm new to this forum and thought I'd try it out. So, much like every edition since about 11.10 brightness control doesn't work "out-of-the-box". I have a Toshiba Satellite T110-12P and although I've ...
2
votes
2answers
2k views

brightness not working on 13.04 upgrade on dell xps 13 ultrabook

Just upgraded from 12.10 to 13.04 on Dell xps13 ultrabook and the display is very dim and cannot be changed using f'n keys or from system settings. This ultrabook uses Intel's ivybridge mobile. ...
4
votes
1answer
632 views

How do I decrease the display brightness an Acer 5830TG?

I am facing a problem with display brightness in ubantu or other versions of linux. Runing a linux distro as live or HDD installation or inside installation, display brightness is automatically set to ...
3
votes
3answers
444 views

Maximum brightness is not maximum brightness

On my dual boot laptop I noticed that maximum brightness in Ubuntu and Windows 8 is totally different. In Windows 8 the screen is much much brighter at maximum level than it is at Ubuntu maximum ...
1
vote
2answers
302 views

Not able to change brightness [12.04]

I can't change my brighness via the default ubuntu tool or my FN keys, or even xbacklight. I'm running Ubuntu 12.04 on a laptop with a dual graphics (AMD HD6770M+Intel). I've the drivers set up ...
5
votes
0answers
591 views

Display problem when adjusting brightness in ubuntu 12.04

Recently I installed Ubuntu 12.04 on my Dell 1554 laptop. I was adjusting my screen brightness when this happened : this has become a recurring problem which is really annoying. I also want to ...
3
votes
4answers
6k views

How do you adjust screen brightness on Acer laptop? [closed]

I have an Acer Aspire one 5742 laptop. I installed Linux Ubuntu 12.10 on it. I have one problem with it. no matter how I press the Fn+↑ or Fn+↓ keys I cannot adjust the Screen Brightness. It ...
10
votes
2answers
2k views

Does redshift need an active internet connection to work?

It seems redshift doesn't run without an active internet connection. If so, is there some way it could be run when there's no connection to the Internet?
0
votes
1answer
10k views

Ubuntu 12.04 - Brightness controls not working [duplicate]

Possible Duplicate: Screen Brightness not adjustable for Acer Aspire S3 Controls from "Brightness and Lock" were not working so I've tried a solution that involved changing grub, which I'm ...
4
votes
2answers
2k views

Change the brightness adjustment interval

So whenever I hit my dim/brighten keys on the keyboard, a notification bubble pops up with the screen brightness. All that's fine, but I would like to be able to change how much the brightness changes ...
0
votes
1answer
546 views

Why would screen brightness not adjust ofter closing laptop lid?

Brightness adjustment works until I close my laptop. After I close it once I cannot adjust the brightness. I often restart the computer to be able to adjust again. The Fn Keys do not work. The ...
0
votes
2answers
656 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 ...
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 ...
3
votes
0answers
353 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, ...
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 ...
11
votes
4answers
13k 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
2answers
642 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 ...
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 ...
18
votes
4answers
11k 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 ...