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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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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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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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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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 :: 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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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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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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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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Slackware :: Brightness Control Screen Bars Do Not Show Up

Feb 18, 2010

I have searched online with no success. The brightness control is working fine on my laptop. Problem is that the bars don't get rendered on screen. Instead I get like a static white line on screen everytime I press the brightness control. On boot however, I can see the correct bars. It is once I start my xsession, the bars do not show up. Here are my specs:

Slackware 13
Xorg Radeon driver
kernel 2.6.29.8

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Debian :: How To Change TTY Resolution Ctrl Alt F1 Black Screen

Nov 18, 2015

Now that I'm more lucid I can adjust the format a bit. If I try opening the TTY the screen goes completely black after visualizing few artifact on the bottom of the screen.

Pressing Ctrl+Alt+F7 brings me back safely to the GUI

So far I tried to modify the /etc/defaults/grub file to uncomment the grub resolution and the grub_terminal to no avail. Now at least it seams to waste some less time to load the grub (it took something like 15 sec before) but it lost the previous green/torquoise background and now it's white char on black background.

On a side note pressing C on the grub to reach the grub console gave me some answer I don't know how to deal with... I was trying to use vbeinfo but it didn't found the command and so I tried the insmod:

Photo(large) of the complete grub console session wrote:grub>
grub> videoinfo
List of supported video modes:
Legend: mask/position=red/green/blue/reserved
grub> videotest
error: no suitable video mode found.
grub> insmod vbe
error: file `/boot/grub/x86_64-efi/vbe.mod' not found

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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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Ubuntu :: HP Touchsmart Tm2 - Synaptics Touchpad Is Unusable - Change The Brightness Will Kill The Screen

Dec 17, 2010

I installed Ubuntu 10.10 on my laptop and encountered several issues.

1. The Synaptics touchpad is nearly unusable. It is impossible to drag while holding down a button. The cursor will move randomly across the screen instead. It is impossible to right click; a right click is treated like a left click. Double-tapping the dot in the corner does not disable the touchpad.

2. Attempting to change the brightness will kill the screen. The computer is still functioning, and it is possible to perform tasks "blind." Only the screen becomes completely blank.

3. Ubuntu does not always boot up reliably. When it does not, the screen is blank but the computer is otherwise responding.

4. The screen is black after suspend.

5. The computer will sometimes hang when shutting down (showing desktop background). Possibly related messages in dmesg:

[Code].....

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Slackware :: Laptop Mode Tools Screen Brightness Ability Working?

Mar 15, 2010

I'm currently trying to setup a minimal Slackware installation. Everything is well, except for screen brightness/hard disk control via laptop-mode-tools. I was wondering if anyone used it, and if they got it to work on their Slack systems, how they went about doing it.

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CentOS 5 :: Why 'ctrl+a, K' Nor 'ctrl+a Kill' Doesn't Work For Screen Windows?

Oct 3, 2010

anyone has a clue why 'ctrl+a, k' nor 'ctrl+a, :kill' doesn't work for killing one of screen windows? Other screen's commands invoked with 'ctrl+a'seem to work.

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General :: Unable To Change Screen Resolution On Slackware 12.2

Mar 8, 2010

I am unable to change mu screen resolution in slackware 12.2. I am editing the xorg.conf in "etc/X11/" with nano. My graphics card is a ATI with 64MB RAM. My monitor is capable of 1280x1024 @ 60Hz. Heres the xorg.conf:

Code:
# File generated by xf86config.
# Copyright (c) 1999 by The XFree86 Project, Inc.
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions: .....

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Ubuntu :: Map Ctrl+W In Hebrew Layout(which Is Actually A Ctrl+') To Be A Ctrl+w?

Jan 5, 2010

I have 3 layouts: USA, Russian and Hebrew. In Hebrew the W key is mapped to apostrophe, so Ctrl+W in Hebrew layout doesn't close tabs in Firefox. There is no workaround for it as I see by now, so I am trying to get it work this way:I want to map Ctrl+W in Hebrew layout(which is actually a Ctrl+') to be a Ctrl+w. Here is what I got from xmodmap:Code:$ xmodmap -pke | grep 25keycode 25 = w W Cyrillic_tse Cyrillic_TSE apostrophe WAs you can see, there are pairs for each layout, each pair tells what happens without and with the Shift key pressed.

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General :: Disable Ctrl+C, Ctrl+V, Ctrl+X In Rdesktop?

Dec 27, 2010

I am doing a project on rdesktop. My aim is to setup a write/copy protected session. I have made rdesktop connection between two Linux machines using Xrdp.Next I want to disable the ctrl+x,ctrl+v keys and the cut and copy option in mouse right click at client side

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Programming :: Recognizing Ctrl+c,ctrl+l,ctrl+d In C Programs?

Aug 19, 2009

i am using gcc 4.3i need to recognize ctrl+c,ctrl+l,ctrl+d in my C program without terminating the program when i get a ctrl+c...

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Slackware :: Change Gnome Wallpaper On Power Resume Screen?

Mar 28, 2010

I got Slackware 13 installed with GNOME SlackBuild v2.26.3 I am trying to find where the wallpaper of power resuming screen is siting on, I mean, after the power was resuming (after hibernation mode for example), you have the screen where you should type your password to logon back to the system, so does someone one where is it?

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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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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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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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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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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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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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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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Slackware :: Cannot Control Brightness Settings On Vaio - 13.37

May 11, 2011

I just finished installing Slackware64 13.37 on my Sony Vaio PCG-7153L, and I'm having issues controlling the LCD brightness of the laptop. It still has the stock Slack kernel 2.6.37.6 SMP The brightness controls worked on Fedora 12-14, as well as the Ubuntu 10.04 live disc. I checked /proc/acpi/, but there's nothing in there to control brightness. I reloaded the sony_laptop kernel module, and from dmesg I get:

Code:

sony-laptop: brightness ignored, must be controlled by ACPI video driver From the Ubuntu bug [URL] and the Red Hat bug [URL] it looks like they've already dealt with this problem. However, as I said earlier, my laptop worked fine with Fedora 12-14.I know Slackware does minimal fiddling with the kernel, so I'm thinking this might be an upstream kernel bug...

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Slackware :: When Change The Bright Of Screen - Xfce Power Manager Show A Info Bar - Now It Disappear

Aug 3, 2010

I'm running Slackware64 13.1. When I change the bright of my screen, xfce power manager show a info bar. But now it disappear, when I run xfce4-power-manager from a terminal I get this info:

Quote:

Another thing, Slackware don't have cpu governors?

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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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