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).
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.
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 ?
I have a netbook with LED backlight, but even the lowest brightness of the screen is still very bright and eye straining in a dark environment. On Windows and MacOSX there are simple tools that put a borderless more or less transparent black window in front of everything on the screen to reduce brightness even further.Are there such tools for Ubuntu or other means of achieving the same result?
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/
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.
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.
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.
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.
I have a rack of four 1TB drives all partitioned identically with three primary partitions. On each drive
- the first partition is only 64MB; - the second is a large 900GB partition and - the last holds all the remaining space
mdadm has been used to set up /dev/md0 - RAID1, comprised of /dev/sda1 and /dev/sdb1 /dev/md1 - RAID5, comprised of /dev/sda2, /dev/sdb2, /dev/sdc2, /dev/sdd2 /dev/md2 - RAID5, comprised of /dev/sda3, /dev/sdb3, /dev/sdc3, /dev/sdd3
OK, so it was a silly mistake to make - but I am now need to increase the size of /dev/md0. My thinking is to reduce the size of md1 so that I can grow md0.
On md1 I have two logical volumes. I've successfully reduced the size of the volume so that I can reduce the size of md1. Now I'm at the nervous stage; I can find little written on the topic of shrinking RAID5 arrays - and even if I do this I'm unsure if I can move partitions around to regain the space I so desire.
I have rendered out less than two minutes of High Definition animation to Avi-Jpeg Format in Blender. Now, I have this 2 GB file. Going at this rate, it's going to take a whole DVD set to play a 15 min movie.
Surely, this file doesn't need 2 GB just for 1:45 min/sec, right? Even at high def? How do I reduce this file size down to like a manageable number, say, 20 miB?
i am looking for an image manipulator that will run on KDE and lets me convert hundreds of jpgs (> 1 MB each) at once into an emailable size like 50-200 kb each, so i do not have to do that for every picture, one by one.
Do you know if there is anyway to reduce the echo in audio files, by using Cinelerra, Audacity or whatever....Online, I haven't found incoragins answer...hope something better can come up from the forum.
so i have f12 installed on my hd with lvm using the whole extent of the HD , i want to reduce it so i can dual boot it with a windows system, i managed to reduce the logical volume to free some space, but i cant seem to reduce the physical volume, is this possible and how ?
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.
I'm having a really strange problem, when I turn on openSUSE, the brightness is fine.owever, as soon as I log in the brightness gets obnoxiously low. I have a MacBook Pro 7.1 with openSUSE 11.4 KDE
Ubuntu, in its most recent version (9.10) has stopped to support certain webcams that it previously supported with just plug-and-play simplicity. After many searches on the web, I could somehow managed to make my old webcam (Logitech QuickCam Traveler) work. Skype couldn't see it, but adding the command bash -c 'export LD_PRELOAD=/usr/lib/libv4l/v4l2convert.so; skype' to the launcher, worked the miracle.
Whatever, the image was very dark, and in a new web search I found a solution [url] As stated there, I opened the Terminal and entered:
Code:
All is OK, brightness gets up, I can finally see my face (not a great view, but I somehow got away with it) in Skype's test, but I need that change to be PERMANENT, so every time my parents open Skype (it's my parents' computer) they won't have to mess with Terminal (they're 69 and 72 years old, it's their first computer, so I CAN NOT expect them to use Terminal, they just want to open Skype and use it, as they did when they used Windows (until two weeks ago, when I finally convinced them to switch).
I have been just pretty much having fun with Ubuntu and a couple other distros for a couple years and have not yet ran into a problem like this. I'm pretty good in a command line environment although I end up googling syntax a lot b/c of that wonderful memory I have! Anyways..
I am running an older machine: P4P800 ASUS Mobo, P4 2 Ghz, 3G RAM and an ATI Radeon 9000.OS: Ubuntu 10.10 Maverick Meerkat Issues: Seems that anything that Compiz has to render the brightness is really low. CairoDock (w/ OpenGL) does not render like it does on other machines that I have, looks like garbage. I've come to the conclusion that I need to get a better video driver (Hope I'm correct here otherwise I've been going the wrong direction for awhile now).
Things I've tried through research around the net: I've attempted installing fglrx(command line style) from several tutorials I've found here and there. Most of them for older versions of Ubuntu and if I'm remembering right there have been a few significant changes lately, which may be causing my issues? Of course I've tried the easy ways: Installed all fglrx/ati/radeon related packages in Synaptics Package Manager Checked System > Admin. > Additional Drivers before and after package installations Ati Website - the drivers that they have are for XFree86. I don't think they can run on XOrg - it's a completely different setup? Again, I don't have a great understanding on how the back end of all this works, so bear with em.
I ran: echo options radeon modeset=0 > /etc/modprobe.d/radeon-kms.conf To disable KMS. Rebooted - Video was much worse I then ran: echo options radeon modeset=1 > /etc/modprobe.d/radeon-kms.conf To re-enable KMS Rebooted again. Everything ran fine but I didn't have my Cairo Dock > which I can deal with, that's not why I'm posting.. Well, that's a good chunk of it - there's more but I don't remember most of it as I've been working at this on and off for weeks. Again, a lot of this was tried upon researching anything and everything I could find on the net - so some of it might sound ridiculous, I was just trying anything that would work!!
Currently I have two 1920x1080 screens running in Twinview on my Geforce 275 graphics card. Want I want to do is a quick simple way of disabling my secondary monitor when playing video games or using xbmc to watch movies, etc. I've tried a few applets but they require the xandr function which I think Nvidia doesn't support.
Is there a way to disable this quickly other than loading up nvidia-settings and disabling the monitor everytime. I don't really want to use two seperate x sessions and xinerama due to the fact you can't use compositing.
since I installed ubuntu 9.10, my video files, specially .avi, are showing up on every player with a high contrast or too much brightness... So i have to go t vlc and adjust the image... =/ I'd like to know how can I make the video files running normally as I used to do at 8.10...
With my Kubuntu Hardy install there are plenty of settings I can change in Kaffeine but with Ubuntu Lucid I cannot adjust the brightness or add/remove items on the toolbars. Is there some other way to change these settings ? Kaffeine is excellent for watching and recording Dvb/T television (multiple channels etc).
When I logout out of gnome, the brightness reaches maximum level. I've tried adding a script to adjust the directory "/sys/class/backlight/intel_ backlight/ brightness" to the rc.local file. I'm not sure if it has to do with my video card but it certainly could be the case since I'm using an experimental package for the Intel graphics card.
I've seen several posts about adjusting the brightness on webcams within Ubuntu going through /sys/module/... /parameters/ however, I need directions for the Microsoft LifeCam Cinema specifically. It runs well with Skype but during the day the image is way too bright so I look like a ghost on cam. I'm running with UBUNTU 10.04 LTS *Lucid Lynx* on a DELL D620 laptop.
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?
I've got: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller as vga screen, and I would like to be able to change brightness and contrast.
On aMSN the webcam works,but it's very very dark, and i can't move the adjusment handlers for some reason. Also, i tried several methods to increase the gamma, but it just won't work...nothing changes.how can i proceed?
Sometimes while watching ..... vids in firefox I often want to adjust the brightness/contrast/saturation levels.I didn't see any addons for the purpose.Is there a way to do this ?I have visited web sites with embedded flash players which includes these controls.
When increasing or decreasing the screen brightness, Minecraft crashes and to an extent freezes my computer UI. What I mean by to an extent is that I can move the cursor around, but I can't click on anything. I can also run keyboard shortcuts and type, which is how I restore my system by terminating all java processes with pkill.
What causes minecraft to crash and how can I solve it?
