Debian Multimedia :: Dual Screen / XFCE - Only One Turns Off (power Management)
Feb 7, 2016
On a fresh install of Debian 8 with XFCE (with a NVIDIA GeForce 210 according to lspci, and a P7P55D Asus mainboard), I just added a second monitor. This second monitor does not switches off even though the first one does due to the Screensaver Preferences → Advanced → Off After 3 minutes.
The new screen is a HP Pavilion 25xw plugged in using a HDMI cord.
The old screen is a Philips 190S plugged in using a VGA cord.
The new screen (HP on HDMI) only goes blank when the old one (Philips VGA) turns off.
Two tests:
- on the same machine, I also have Windows XP: both screens turns off at the same time with the power management.
- I tried on Debian: Code: Select allsleep 5 && xrandr --output HDMI-1 –off
It turns off the second monitor, so I know that it is possible to turn it off from my Debian.
How to set up the system so that both monitors power off when the machine is not used?
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Feb 6, 2011
I'm running Squeeze with Gnome & GDM3. After 1 h my laptop automatically suspends while in the login screen (GDM3; so no user login). I want to prevent that, since this machine also has a server role. how this can be prevented?
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Jul 22, 2011
Because Ubuntu 11.04 is a bit heavy for the capabilities of my older desktop hardware, I am in the process of switching over to Xubuntu 11.04 going forward. I found the "sleep inhibit applet" very useful when I was using the Gnome DE, and was searching for a replacement in XFCE that doesn't require installing a bunch of Gnome libraries. I found a description of "caffeine" as a utility that seems to be what I'm looking for, but when I added the caffeine ppa to my repositories, and select it for installation in Synaptic, it wants to add a long list of Gnome-related components. Is there any quick way to temporarily disable the screensaver and power management functions in XCFE that doesn't depend on Gnome?
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Jan 1, 2011
I disable that from the gnome power management utility screen go black after 10 minute. It's very annoying since I cannot watch a movie in that way!
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May 15, 2015
I am using gnome-shell (3.14.4-1) desktop environment and i have a problem that i can not find any config to solve it, Lock screen turn off and on again display every 15 seconds with out any reasonable reason !!!!
(Same in ubuntu : [URL] ...)
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Feb 18, 2010
Just got a pretty fresh install of Debian/XFCE. Both monitors work out of the box on my 8400GS. I was unable to find an option to change it so I can span is as 1 work space instead of having them mirrored.
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May 12, 2010
I have an issue where the screen on my laptop will not shut off with the power management tool. The Default Power Manager does not have an option for this.My screen will go blank after a set amount of time, but the lcd-backlight will remain on. I would want the power manager to shut the screen off completely (including turning off the lcd backlight) without shutting down the computer it-self. So the computer can continue to do what I left it to do in the case I forget to close the lid. With the screen shut off completely, will preserve the life of the back light and reduce power consumption.
Is there a better power manager app that will allow me to do this a tweak to the existing default power manager that will allow the functionality I am seeking? laptop was perfectly able to do this under a win-xp environment, so I know the machine is physically capable of doing this. Note: My WinXP OS and Ubuntu OS are on seperate physical drives so there is no dual boot issues. So when I am using one there is no trace of the other present
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Nov 26, 2010
How do you set power management (suspend/sleep time is what I'm after) that applies at the login screen?
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Jul 12, 2011
I have Fedora 15 gnome 3 installed on my new laptop. When my system runs on battery my power management keeps changing my screen brightness. It keeps dimming my backlight. In the GUI of Power Management I cant find any option to change this setting. How can I do that through Command Line
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Sep 14, 2009
I am a brand new user coming from the MS environment. My impression of openSUSE is that it is like moving into a new house that is well built but the rooms are full of half-constructed self-assembly furniture and appliances without any specific instructions. Nor is it clear which does what and whether all are needed or not. There is a town hall down the road where fellow homeowners gather to discuss what each has managed to deduce about putting their own furniture together. The town hall has a sort of library where thousands of pieces of paper with instructions are stored in an ad-hoc filing system
My latest problem is that I have created a screensaver via the "Configure Desktop" application and set "Enable display power management" and set some timeouts.However, I seem to be asked for a password to unlock the screen when I come back to my computer. I have spent 2 hours trying to find the place where I can disable screen password locking but to no avail. I am perplexed and frustrated at how such an obvious function is so ****ed hard to configure. This is the impression I am getting of Linux in general - it is novice user-hostile and badly organised.
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May 28, 2010
I run V11.1 on a minimalised install on a stick with TWM, no KDE at all but I cant get rid of the screen shutdown after about 20 minutes. Also I have several other boxes with v11.1 with KDE and still cant get rid of these screen shut downs.I dont believe this is coming from the bios in these machines. they are all Intel D945 MBs with some sort of Nvidea cards.
My app normal runs with no user mouse or input and is pocessor intensive.I would like to retain the power shutdown and reboot capability from comand line.I realise its not as simple as pulling symlinks of of the init levels in the new complicated distros, but I was suprised the non kde twm install still shuts down the screen.So I want a low level level fix that will remove anything kicked off by init that will derate the system performance or turn off the screen.
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Feb 17, 2010
I have recently loaded Ubuntu 9.10 which runs perfectly, except for the power management system.I go into the GUI power management screen and tell it to use the screen-saver after ten minutes, but NEVER suspend/ hibernate but it suspends/hibernates anyway,sometimes after an hour, sometimes hours later.Is it possible to keep the screen-saver but disable the rest of the power management system?
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Sep 16, 2015
In trying to get openbox running in new Jessie installation, I followed an instruction in openbox.org: Help: XFCE/Openbox.
" If you want to use the Openbox root menu instead of Xfce's, you could terminate Xfdesktop by running the following:"
Code: Select allxfdesktop --quit.
That eliminated everything on the desktop except the Debian8 background image and the panel clock and made it impossible to do anything other than log out via a right click on the panel. Shutting down and rebooting just brings back the same situation. No terminal available.
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Mar 16, 2011
I recently converted a Toshiba Satellite A75 notebook with a broken screen into a minecraft server that me and my friends will be using at UAB. It's currently running the latest version of Debian in text-mode with a few shell scripts that backup files and update a webpage at specified times.
The server runs fantastic ( though it's currently on my home network so no one can join it unless they are on LAN ) but there is a minor problem. I took a look at the backups from last night and it seems the server shut down around 10:00 in the morning because the laptop went into sleep/hibernate mode or something like that. I'm not sure what's causing this exactly but I think it's some setting in gnome-power-manager, but I can't run it in text mode.
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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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Mar 5, 2016
I have recently upgraded the hardware of my zenbook from i5 to i7. Unfortunately the battery discharges very fast (30 min instead 3 h with i5) because the system turns all time at maximum speed (I guess).
Is there any power management update for Debian Jessie8.3 on i7 processors?
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Feb 19, 2010
I am trying to figure out where the harddisk power management can be found in Squeeze. Before it was in the scripts under /etc/acpi, but in Squeeze it's not. I'd like to be able to change the hdparm -B value from 128 to 200 when using battery.
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Jan 22, 2016
I believe it might have to do with dpms (according to KiPi on the #debian-boot chatroom) but I'm not entirely sure why my monitors keep turning off 10 minutes into the installation. I have tried using Live CD and a netinst version of the Debian 8.2 installation methods.
I'm going to try to disable dpms in the Live CD and hopefully that works.
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May 30, 2010
I insert my DVD into my machine. The little "waddya wanna do" window then opens, and I select "play in VLC." I then press the play option on the video menu (not the play button on the VLC controls). Then the VLC window turns black, or the part where the video is supposed to appear does, anyway. So double-clicking to get to fullscreen sometimes fixes the problem, but then I can only view it in fullscreen, not good. It didn't fix the problem this time, so I double-clicked again to get out of fullscreen. Then my whole display turns black and white. WTH? The display problem fixes on a reboot.
This happens on a regular basis when I try to play movies. My display is, right now, black and white. After I finish this post I'll restart my computer to fix the colors.Also, it should be helpful that when I move the VLC window or am going to/from fullscreen, I can see the movie for a split second, and in full color. The rest of the screen stays B & W, though.Also, for some reason, when I play a movie, VLC open two windows: one with the video, and the other with a visualization and a title bar saying "VLC (X11 output)"
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May 28, 2010
On the last release, I had this app installed where I could pick my power profile. I could use power conservatively, and performance would suffer a bit, but longer batt life,or I could have it automatically detect, or I could have the apps use all the power they want and then some. I'm looking to reinstall that app. What was the name of it?I can't remember, and so far, can't find.
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Nov 10, 2010
I have fresh installation of Ubuntu server upgraded with apt-get dist-upgrade and with XFCE4 installed on my notebook. The problem is whenever I type startxfc, startx or X, the NTB freezes, CRT display connected to docking station/port replicator turns off, LCD in NTB gets black. The system does not respong to any signal, even the alt+sysrq ones. If I even install Xubuntu-desktop, as the X gets loaded every start, system everytime hangs after few seconds and I cannot do anything. Now I reinstalled and tried autoconfiguration with Xorg -configure. If I start the X with this configuration file, the result is still the same. Log at /var/log/X11/ seems to be blank.
Any ideas? Should i try to get drivers for my video card? I thought this is not necessary, the X server should start without anything, even only with basic resolution settings. As I looked, the video card chipset (Intel 82852/82855) is detected in my /root/xorg.conf.new file.
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Feb 1, 2010
the above event usually happens to me when im logged in to xfce my screen suddenly goes black for like 1 sec then my background becomes my background in gnome.. what does this mean? should i remove the gnome or there's some other options i can do to prevent this?
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Jun 4, 2010
I use Squeeze with Xfce. My problem is that recently (after the xfce updates) the xfce power manager doesnt react to the power button - it is set to suspend. I dont have gnome-power manager or anything like it running.
If i reboot the computer, the power button will work but if i suspend and resume, it doesnt work again.
The computer is built on an Asus M3N78-VM mobo (2GB RAM/Athlon3200+ single core).
acpi_listen detects the button press.
Any thoughts?
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Dec 9, 2010
When using dual screen (separate X for each one), how can one set specific font DPI for each screen, when they also have different resolution (with Nvidia driver)?
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Oct 31, 2010
I have an issue running the openSUSE 11.2 liveCD KDE on a Dell Vostro 3500. It boots fine to command line. It seems to boot fine to KDE (I assume it doesn't hang cause the power button turns the laptop off without holding it). However the only thing I can see is a black screen. I've checked the CD with the tool included to the CD. The hardware of the laptop seems to be fine as well
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Mar 21, 2010
I have selected to power down the monitor after 30 minutes, and suspend the computer after an hour. It does not work. With Beagle not running (more below), the monitor powers down after 30 minutes as expected. But then later (probably after an hour?) it powers up again and stays that way. Not exactly what I envisioned.I have removed Beagle from the set of running processes. The process list ("ps ax") shows Beagle as a serious consumer of CPU time, far more than any other process. (At termination it was at 500:00; the next most hungry process was /usr/bin/Xorg at 10:00. Most barely get over 0:01.) It introduces these problems:
1. after some amount of system idle time (it is about 5 - 10 minutes) Beagle starts consuming vast wodges of CPU time. I have dual core AMD 5200; both CPUs run up to about 70% usage until I do anything, like move the mouse. Then the usage drops back to the usual 5 - 10%.
2. When Beagle is thrashing the CPUs, the power management monitor thinks the system is busy. And powers down nothing.
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Sep 29, 2010
I've attached a UPS to my server through USB. and sure enough up came a tab in Power Management Preferences for the UPS -- great.
There are power low options as follows:
"When UPS power is low"
"When UPS power is critically low"
The UPS sends a message to the computer when a threshold you set in the UPS is reached, in my case 25% of battery left.
The obvious guess is that this warning from the UPS is the "When UPS power is low" however, I don't know. It's just a guess.
Looking further at the data I can get from the UPS the battery data is as follows:
battery.charge: 100
battery.charge.low: 25
battery.charge.warning: 50
battery.runtime: 760
[Code]....
However, again, that's just a guess from what would make sense.
So my first question is, is there a way to know this information, and is there a place were these critical points are set, or are they all from the UPS. I'm guess there are some settings somewhere because not all UPSs are going to be able to supply this information. Some may only supply a battery level or some just a warning message so there must be some configuration for this somewhere.
My 2nd question is a probably a little harder to know the answer to. After getting this to work I wanted the added functionality of nut so I installed it and got it working and it uses the On UPS Power panel as far as I can tell.
Through all the nut documentation it talks about powering down on once the battery level reaches the critical point (I assume that is "When UPS power is critically low"). I don't see anywhere however where it mentions handling "When UPS power is low" so now the question comes up, will it have any effect at all with nut installed, i.e. what will happen?
Of course I can just "pull the plug" and start finding this stuff out but Linux is all about having the information and "knowing" (assuming all works as it should) I am asking to find out where this information would be -- and become smarter for it
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Jan 27, 2010
Alright this is not a huge issue but a rather annoying one. I hook my laptop up to my lcd to watch movies all of the time. The problem is though I have selected and reselected many times for the screen to not power off after so many minutes of inactivity. But for some reason it doesnt work. If i set it to an 1 it still like every 5 minutes turns off my screen. Im running 9.10 on a toshiba satellite with an intel graphics card.
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May 15, 2010
I have a laptop with 10.04 installed. When it is plugged in with AC Power, the screen fades black after a few minutes and locks up after about 10 minutes (shows a dialog for passwd when back).This gets really annoying when listening a movie or just reading text.System->Preferences->Power Management is set to "never" for everything.gconf-editor->apps->gnome-power-management is set to "0" for everything finishing with *_ac.
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Sep 22, 2010
I am wanting to completely disable Power Management, can I do it through the GUI? I am a former OpenSuSE user & am use to YaST. So it is a little hard finding ways to edit some settings.
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