General :: Quick Way To Change Monitor Brightness At Night?

Dec 8, 2010

I'm a fairly nocturnal creature by nature, but life requires me to spend more time during the bright hours of day. I also have a visual impairment which makes it that my eyes take a very long time to adjust to darker situations. I need to be able to easily dim my screen so that using my computer doesn't keep me awake as much and doesn't prevent me from doing other stuff.

I will accept both a hotkey based solution "like on most laptop" as a timed one. My main monitor lacks simple brightness/contrast controls. f.lux doesn't suit my needs, since it only changes the screen's color temperature. I'd like the solution to work regardless of the make and model of the video card involved. Wearing sunglasses is impractical, since they make it hard to interact with objects around my computer.

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General :: Windows - Adjust Screen Brightness Automatically At Night?

Jun 7, 2010

Can anyone recommend an application that will automatically dim my monitors when it gets dark at night?

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Debian Hardware :: Getting Lenny Working On Macbook / Can't Use Brightness Keys To Change Screen Brightness?

Feb 9, 2010

I'd been trying to get into Linux before I bought it so I figured that I would try to get it onto my new Mac so that I could use it wherever I am. I decided to try Debian Lenny 5.0.3 a whirl after reading about all the different distros available. I've successfully installed it and I can get to it with rEFIt, and I have quite a few things working such as the video drivers and wifi. However, I've had trouble getting it to a level where it'd be usable away from home. Here are the main problems I'm worried about:

1) I installed pommed but I still can't use the brightness keys to change the screen brightness. I'm not sure if there's some other workaround for this?

2) I tried some recommended power management packages (gnome-power-manager) but it doesn't seem to be accessible or functional right now. I don't have any way to control it or get to it that is obvious to me. Is an icon or anything supposed to appear on the task bar when you install or what? Getting some sort of power management on here is important because it gets really lousy battery life otherwise.

3) Being a Macbook, there's no right-click button. Multitouch would be really nice (two-finger scrolling!) but I'd be OK with ANY way to right-click with the touchpad. I have a wireless USB keyboard/mouse combo that works at home at least . . . right out of the box too!

4) I've seen some packages called the Mactel PPA, but they are made for Ubuntu. Since Debian and Ubuntu are so similar, is there any way to make those work on Lenny? I think that if I got those to work, I could fix some of the problems above. Or do I have to install Ubuntu?

5) I just noticed that the sound doesn't seem to work yet either.

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General :: How To Change Color Brightness From Unix Terminal?

Sep 1, 2010

accidentally I raised my brightness to 100% so I couldn't see anything..My battery died before I could fix it with tab or something else.now I can't fix it because I can't see anything.Is there a way to adjust color brightness through my unix terminal.....?

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General :: Bind Certain Keys To Change Screen Brightness

Jul 19, 2010

I am using Ubuntu linux, and I want fn + up key and fn + down key to change the brightness instead on fn + F4 and fn + F5. I've tried looking for something in the Keyboard Shortcuts menu, but there is no command or key specified to do that. I could make a custom key shortcut, but I can't find the command to change the brightness. Is there a way to make another key do this? My laptop is a Dell Inspiron 1545.

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General :: Change Brightness On System Desktop Through Command Line?

Mar 9, 2011

I have a Debian Linux desktop. I want to change the screen's brightness without pressing the brightness button of my monitor. How can I do this? is this possible in command line or is there an application to be installed?

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Ubuntu Multimedia :: Can't Control Brightness / Show Brightness Popup / Screen Brightness Don't Work

Mar 3, 2010

I Install Ubuntu 9.10 and I can't control Brightness, show brightness popup (Fn+F5F6) but screen brightness don't work, I install NVIDIA Driver Linux-x86_64 version 190.53, modiffed xorg.conf.

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Slackware :: Adjust The Monitor Brightness?

Feb 24, 2011

Researching this problem, I find very often this solution:

Code:
echo -n 100 > /proc/acpi/video/VGA/LCD/brightness
Unfortunately, I don't have that on my old PC:
Quote:
ls -F --group-directories-first /proc/acpi/
button/

[Code].....

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Debian Hardware :: Adjusting Brightness On A LCD Monitor?

May 15, 2011

i got an AOC 18" lcd, the instructions that came with it, are only for Windows and Macs, if i press a button at the base of it, a square appears with all the pictures to configure including brightness, but i can't click on the screen. The cd that came with the monitor, i assume only works with Windows/Mac, i haven't inserted it for fear of screwing up.

PS: when i pass the mouse over the square, the pointer disappears.

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Ubuntu Multimedia :: 10.04.1 - Need To Reduce Monitor Brightness

Dec 19, 2010

Ubuntu 10.04.1
Nvidia gpu ( Asus GeForce GTS 450 Series graphic card)
DVI connection to monitor (Dell 2405)

Using a VGA connection I can use the buttons on the monitor to control both contrast and brightness. Using dvi there is no control(no contrast control and the brightness button changes the numbers but not the actual brightness!) I cannot find the app that controls the Nvidia GPU
(it should exist as I found it on Zenwalk).

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Ubuntu Multimedia :: Alterate Brightness On A Old Monitor?

Jan 11, 2011

I have a very old monitor that shows too dark colours I would like to increase the brightness via software, in another distro I used gxvattr but in ubuntu doesn't work, I also tried gdcccontrol but my monitor isn't supported. What should I try ?

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Hardware :: Increase LCD Monitor Brightness With Software?

Aug 6, 2010

I have a ViewSonic V1912Wb-4-- It recently got broken. I got to it repaired. However I cant force the brightness or the contrast of the monitor to increase or decrease, it is just stuck!

In my WinXP I can adjust this with software-- however I cant change anything on my slackware 12.2!

Do you think I need to install softwares like Argyll CMS?

I am using the default graphics drivers. I cant find anything for my built in graphics card of my Asus motherboard P5S-MX SE.

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Debian Hardware :: Control Screen Brightness With DDC / CI Capable Monitor

Jul 5, 2014

I bought a new computer, pretty awesome machine, AMD FX6300 with a Radeon 260X graphics. Along I bought a new Led monitor AOC with DDC/CI capability.

It is my understanding that with the DDC/CI, monitors can have their brightness controlled just like laptop screens do, but better software controlled.

This is something I have done before with nvidia graphics, the open drive had the control and the proprietary only needed a small config setting. This was done however in a dekstop iMac, the screen also LED and HDMI.

So I just freshly installed debian jessie in this setup, it seems the open source driver does a pretty good job, but still missing the brightness control and audio through HDMI doesn't work either.

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Fedora :: How To Change Screen Brightness?

Sep 18, 2009

I'm having trouble locating a way to adjust the screen brightness on fc10... It is only possible to use the monitor's control for now.Yeah my monitor make an annoying whining noise unless you turn it on 100% brightness, but that hurts my eyes.It is so crazy that they didn't put a brightness control in! ( or rather they destroyed working ones of year past, Why? )

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Fedora Hardware :: Not Possible To Change Brightness

Jul 29, 2011

Recently, I installed Fedora 15 in my Sony VAIO Laptop Series E. Firstly, I had a little problem with nvidia drivers and wireless because I installed from a normal CD, but then I repaired it installing drivers from the web page and updating the system. However, I continue having a problem with changing brightness even with the Fn buttons or with the gnome configuration control. I followed some suggestions as for example these ones http://forums.fedoraforum.org/showthread.php?t=262545, but nothing change. I already tried with xbacklight but still not working. I also did a change in grub conf file (following google search suggestions) adding these commands: acpi_backlight=vendor acpi_osi=Linux, but nothing.

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Debian Configuration :: Should Change Brightness Of Screen

Mar 30, 2016

I've an asuspro (more precisely the p2520la version) notebook with the fn+f5, fn+f6 buttons that should change brightness of the screen. But they don't work. For volume it's ok (fn+f11/f12), and if I go in the system settings I c an change manually the brightness (I use kde so there is a bar with which change it). But when I'm outside and the screen brightness is low I found difficult to find the menu settings and the hardware buttons would be better.I've tried adding to the kernel the "acpi_osi=" command but doesn't work.

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Ubuntu :: Make Certain Keys Change Brightness

Jul 6, 2010

I want to set fn + Up or Down Arrow to change the brightness of the screen, instead of fn + F4 and F5. However, I don't know the command to do that, and I can't find it in Keyboard Shortcuts.I've seen something about editing a file in /var, but that requires root permissions.

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Ubuntu :: Screen Brightness Doesn't Change

Jul 16, 2011

I installed Ubuntu Natty on an Ideapad Z570. The screen brightness seems to be stuck. The keys that control brightness don't work and I can't find any option anywhere to change it.

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Slackware :: Ctrl+up|down Don't Change Screen Brightness Any More

Jul 16, 2010

i had slackware 13.0 on my dell vostro 1320 and it was all good, but since the upgrade to 13.1 i cannot change the screen brightness with ctrl+up and ctrl+down keys..i'm not even sure how to start with this problem. from what i understand these keys 'call' a bios function...? so that would mean that some kernel module is not being loaded?or has the desktop environment lost the key mappings and that is causing my trouble?

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Fedora Hardware :: Can't Change Brightness On M11X Laptop

Jul 4, 2010

i have an alienware M11X and i have installed fedora. I have a problem with brightness. When i press hotkey for increase or decrease brightness i see the bar increase and decrease on my screen but brigthness don't change and stay maximal. I have tested a live cd ubuntu and it's work.

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Ubuntu :: Dim Screen - Cannot Change Brightness Settings On Netbook

Nov 18, 2010

I bought a Asus eeepc a few days ago which I really like, with the exception of one thing - windows 7 starter. I like Windows 7, but starter is just bad. I also really like ubuntu, so I've decided to put it on my netbook. I download the netbook edition from the site, put it on a usb drive, and than tested it out - well, my screen is dim, very dim. Changing the brightness setting on the tool bar up top doesn't change anything, and using the function keys does change it, but still keeps it very dim.

I've tried restarting my computer, same thing, I've tried messing around with settings in the battery options, nothing... I really don't want to install it if its going to be this dark, I can see things, but its not very pleasant to use. I'm starting to consider that its the problem with the file I downloaded. Theres nothing wrong with my netbook, everything worked perfectly fine in Windows 7. I use the full version of ubuntu 10.04 on my other laptop which works perfectly fine, I'm not sure why this version is acting so weird on my netbook.

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Ubuntu Multimedia :: Change Brightness And Contrast In Totem?

Mar 16, 2011

I know there should be some way to change brightness and contrast in Totem, but I dont think I can find it there.

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Ubuntu :: Change Default Monitor When Dual Monitor Is Enabled

Nov 19, 2010

I have a dual monitor setup in Ubuntu, with my main monitor on the right and the monitor I want to extend to on the left monitor, but I can't seem to get it to do this, it always has the 'desktop' on the left monitor and then extends onto what I want to be my main monitor. I have an ATI Radeon 4350 Graphics card.

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Debian Configuration :: Unable To Change Brightness Of Laptop In Kpowersave?

Feb 17, 2010

I have installed kmilo, modprobed nvram and added line: KERNEL=="nvram", MODE="0666", GROUP="nvram" to 91-permissions.rules. I used command addgroup nvram and add me ( user tomasso ) to nvram group. Kmilo works fine but I am not able to change brightness of my laptop in kpowersave or by using fn key on my laptop keyboard. I am in powerdev group too.

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Debian Hardware :: Screen Brightness Doesn't Change - No Sound ?

Nov 3, 2010

After some experience with ubuntu i have just installed Debian Squeeze on a dell inspiron 1564.

I have faced with some problems:

1- The screen brightness doesn't change. neither the brightness hotkey works nor the brightness applet changes the brightness

2-There is no sound

I had none of these problems with ubuntu lucid.

Here is the output of lspci command:

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General :: Change Console's Default Monitor?

Mar 20, 2010

Is there any way to specify which monitor the console is displayed on in Linux?

Details: I have a 3 monitor setup with 2 video cards. When I boot the computer, the BIOS displays on the PCI graphics card (which has a small monitor). When starting Linux, the console is displayed on the same monitor. Is there a way to have the console output on a different monitor? I'm using the vesafb framebuffer.

I don't see a way in my BIOS to change the default video card.

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General :: How To Change Screen Resolution On Monitor

Nov 10, 2010

I need to know how to change resolution on the screen and monitor

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Ubuntu Multimedia :: Change Picture Format / Brightness And Contrast In Bulk Instead Of One By One?

Feb 22, 2011

Im using ubuntu 10.04 I would like to know if their is a program that can change the format, contrast, and brightness of a large bulk group of pictures instead of doing it one by one?

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General :: Laptop Display Is Too Big / Change My Monitor Resolution?

Feb 6, 2011

I'm newbie linux user and I want to ask a question about my laptop display is too big i think its because of my screen resolution, how can I change my monitor resolution?

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Ubuntu :: Samsung N150 - Screen Half Brightness No Change And Wifi Not Working

Jun 5, 2010

Just installed on my netbook the latest version of ubuntu (10.04). Have seen a few issues with other users however they have seemed to be able to make fixes.My problems are:

- Screen half brightness no change (does anyone have a fix yet?)

- Wifi not working (tried updating kernels, says they're the latest)

- Multi touch not able to be enabled, (again have seen a fix but for some reason won't work)

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