Ubuntu Multimedia :: Apps Start On Wrong Monitor Using Xinerama
Jan 23, 2010
I use 2 monitors under Ubuntu 9.10, but I have them set up in a unique way. The primary (CRT) faces me on my desk, but the other (widescreen LCD) is turned away from me, because I use it only to watch movies from my couch. My video card is an Nvidia GeForce 9800 GTX+, using the proprietary Nvidia driver package, with Xinerama turned on, so the desktop extends across both displays. Given that setup, is there any way to control which display applications open upon? Several apps have started opening on one display or the other, seemingly at random. Further, some apps start on the primary display, but open their subwindows on the secondary display. It's very annoying, because I can't see the second screen, so I can't drag the windows back to the primary desktop.
I would also like to have VLC Media Player (or any other app) always open on the secondary screen, on purpose. I almost never watch movies sitting at my desk, but rather from the couch. I placed a VLC launcher icon on the secondary screen, but when started it opens on the primary display. (If you're wondering how I can click on anything from my couch, I have a wireless mouse there in addition to the wired mouse at my desk. It's my "remote" since I don't have a TV. Xorg will quite happily support 2 or more mice simultaneously, I discovered.)
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Jan 18, 2011
I am running a multi monitor setup with xinerama, and everything works great except when I try to play an FPS such as OpenArena. The mouse doesn't work, it gets stuck to the screen edge.
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Jun 6, 2010
UPDATE: I can get the wrapping to stop, but it offsets the image between monitors. It's like the center monitor's image was stretched upward, distorting the alignment with the side monitors, rather than just providing additional space at the top. If I switch it so the two side monitors are 120px lower than the center, (as i had it in 9.04) then the wrapping issue occurs again. This is frustrating. I could use some help. (64-bit Ubuntu 10.04)
After lots, and lots, and lots of googling, configuring, experimentation, and even unplugging and replugging, I finally got all 3 monitors working like I had them in 9.04... Or almost. The center monitor is larger than the two side monitors, being 1920x1200 compared to 1920x1080. When I move the mouse pointer on the center monitor, it hits a ceiling and disappears right around that extra 120 pixel area on top, and can be seen at the bottom of the screen.
[Code]....
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Apr 7, 2016
I have a laptop connected via HDMI port to different external displays throughout the day. I have configured the displays (Settings > Displays) to turn off the laptop display and set the external display as primary. However, this setting only takes effect after login. Thus, I am unable to see the login screen greeter on my external display because I close the laptop lid, so I am logging in blindly to a gray login screen background.
he issue I am facing is that when I start the laptop with an external display connected, the greeter only appears on the laptop display. The gray login screen background image spans both laptop and external displays and my mouse pointer appears on both displays, so I know both displays are detected and configured as dual displays. But, I am guessing, the laptop display is set as primary while the external as secondary.
I would like to know if there is a way to dynamically switch the greeter between the two displays, regardless of which one is set as primary and secondary. Or, is there a way to configure the system such that if there is an external display connected via HDMI, then it is set as primary, and if no external display is connected, then the laptop display is set as primary?
I have searched all over the net and this forum to no avail. I read a post which required copying the user's ~/.config/monitors.xml file over to /var/lib/gdm/.config/ but this caused my laptop monitor to be turned off at login even when there was no external display connected.
Hardware: Acer Aspire 8730G, Core 2 Duo T9900, 8GB RAM, Nvidia Geforce 9600M GT.
Software: Debian 8.4 Jessie, Gnome 3.14.1, Gallium 0.4 on NV96 (I am assuming this is the Nouveau driver)
Contents of the /etc/X11/xorg.conf file which I generated with the command "Xorg -configure" as root in console mode:
Code: Select allSection "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
[Code] ...
I suppose I will continue to login without seeing the greeter on my external display.
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Jun 15, 2010
I have problem with resolution (@gnom desktop). In Yast --> videocard & monitor is all right. There is correct resolution 1366x768 (WXGA). Also the videocard ( I don't have really one, only chipset "Intel Mobile GM45" ) is correct recognized. But Monitor isn't recognized, and I don't know which one I have (It's notebook from acer).
Nevertheless if I go direct in monitor preferences (at the bottom the monitor with a ruler symbol) the resolution is set to 800x600 and I can only change to 640x480. The monitor is as 15" recognized (I have 15.4", even a bit more broadly - 1366x768) and now I don't know what to do. All symbols, all programs, everything is huge! How is it possible to configure the correct one resolution?
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Jun 6, 2010
I'm having some issues getting my two monitors (both 1600x900) to work well with Xinerama. The first thing I'm having trouble with is getting 1 wallpaper to span across both monitors..from what I've googled it's sounds like I'm not the first either The 'span' function in the change wallpaper window doesn't do it. The second thing is that I would like the panels to stretch across both monitors well, or at least be able to create another panel on the 2nd monitor which I can't do now.Here's my xorg.conf file:
Code:
Section "ServerLayout"
Identifier "amdcccle Layout"
Screen 0 "amdcccle-Screen[1]-0" 0 0[code]....
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Apr 20, 2011
Today I bought a new monitor (IPS236V) to use it to watch movies and tv while I'm working on the other one.. I thought it's the best to activate Xinerama which could be done easy via CCC. But I'm not able to change the resolutions now as these panels are disabled in CCC. The first monitor is set to its native resolution, but the second is something lower.How can I configure both monitors to there native resolution?
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Jan 10, 2010
I would like to adjust Xinerama to place 1 desktop on each of my 2 monitors and not stretch a single over both. With the current set up there is a problem with window placement upon opening new widows or context dialog boxes. I realize that I could adjust placement properties and select window placement with the mouse but this is still lacking in productivity. My monitors are not next to on another so this is more of a problem than it seems.
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Feb 12, 2015
I have headless debian as a server which i use over tightvnc server running on it. Vnc works fine but I can't for example run sudo mousepad or any other gui app from terminal, it says something about not having the rights to open it as root. I understand this has something to do with security, but my computers are behind nat so the vnc server can only be connected inside my lan so i don't mind.
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Jan 27, 2011
I just upgrade to F14 from F10 on a dual montor setup. Firefox behaives differently on F14 than on F10.
On F10 it followed the mouse pointer's location and show up on the correct monitor
When maximized at close, it is always displayed on the left monitor. When not maximized at close it will open on the monitor where the mouse pointer is located.
About minimize/maximize Firefoxe before closing and it seems to work in some case, but not for me.
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Aug 5, 2011
I'm using Ubuntu 11.04 with Gnome 2 (a.k.a. the "Ubuntu Classic" shell) and the "New Wave" theme from the official repositories.
This installation started out as 10.04, and was then immediately upgraded to 10.10. I had to do that because 10.10 wouldn't install directly because of some bug.
It worked fine until I upgraded to 11.04, now I've got a bug whereby Qt apps don't render properly.
See the image here:
Now if I open the "Qt 4 Settings" tool and set it to Cleanlooks:
As you can see, it works correctly with Cleanlooks, but with it set to "Desktop Settings (default)", it is impossible to see the current selection, dividers etc.
This affects all Qt4 applications.
I have tried installing the package including the theme from 10.10 and that didn't help so I'm inclined to think it's not New Wave that is at fault here. Perhaps it's something that was changed for Unity?
(I'd rather not switch to a different theme, this one works for me. And I'd switch to Linux Mint but I've got all my stuff set up on here )
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Apr 30, 2010
I have an Ubuntu Linux 10.04 installation which I would like to use via remote desktop. Everything works perfectly if I start the computer with a monitor attached. If I do not, X fails to start because it cannot find any screens.
How can I force X to start up without a monitor attached?
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Mar 15, 2010
I am on ubuntu 9.04. I have nVidia 8500GT and I installed Warsow 0.5 today.When I start the game my monitor goes black with a message "Out Of Range"I can only hear the music.I tried hitting a few keys here and there and I could also hear the tutorial start.
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May 21, 2010
After working on trying to get my 3 monitors to work with Ubuntu 10.4 and my ATI Radeon HD3200 (IGP) and HD4850 cards, I just had to share the xorg.conf. I am using the default open source drivers that came with 10.4 and I kept KMS enabled (it wouldn't work without it).
Here is my conf:
Code:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "4850-2-Screen"
Screen 1 "4850-1-Screen" RightOf "4850-2-Screen"
Screen 2 "3200-Screen" RightOf "4850-1-Screen"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
Option "Xinerama" "on"
#OPtion "Clone" "off"
EndSection .....
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Aug 26, 2011
I have done a fresh install of ubuntu 11.04. Everything is fine, Ubuntu seemed to be using the opensource ati drivers upon first boot.
Then prompted that I install the ati catalyst control center/drivers from additional drivers which I did.Again smooth sailing untill I decided to enable my HD tv (hdmi) as my secondary screen. This again worked fine cloned. But I could not enable extended. The option is available but requires xinerama to be enabled.
After restarting I could not login. Read up on this and others have has this issue with different cards. I proceeded to login to ubuntu (no effects) session and then swtiched off xinerama. (this did work in this session). The issue is getting it to work with unity. Logged back into unity now but I don't know how I can enable dual screens in extended mode. There are recomendations on other threads advising to use the open source drivers. But these don't work correctly. The card I am using is an ASUS EAH5570. This I believe has the radeon 5570 chip.
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Dec 28, 2014
I upgraded to jessie today and I am having problems with my background. When I log in, the background tries to start on the external monitor but then it fails to load. I can change the background in settings but it does not show up. The background just becomes black and I am not sure why.
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Aug 24, 2010
I have a ASRock ION 330 with 512 Mbyte shared graphics memory. I use the 256.44 closed source nvidia drivers and have a Xinerama display consisting of one Asus 1440x900 monitor and one video projector with displaysize of 1280x720. Display: 1440x900 + 1280x720 in Xinerama
I have tried with and without desktop effects enabled, and I have followed the http://tombuntu.com/index.php/2009/0...thout-tearing/ guide to manually set the refresh rate to 60 Hz. The sync to Vblank option is checked, both in CCSM and nvidia-settings under X Server Xvideo Settings and under OpenGL Settings, to no avail.
The files I play are MPEG-2 Transport Stream in 720p. Some are and some are not in Matroska containers. I use SMplayer with vdpau enabled. I've made a comparison of Windows Vista and Ubuntu 10.04 below:[URL].. It's not entirely clear from the video, but the end scroller is choppy on Ubuntu and relatively smooth in Windows Vista.
This setup is to be run in a public cinema, and the chopping and tearing is a complete showstopper. It would be a nice showcase to have Ubuntu in the wild like this, but it can't be used if these issues are not resolved.
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Aug 8, 2011
According to the Wiki about Xinerama
Quote:
As of the 1.10 X server release, the Xinerama rendering multiplexer and Composite extensions no longer conflict.[URL].. So does this mean that if I use X 1.10 or later, Xinerama and composting can work even over two GPUs and four monitors?
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Sep 3, 2010
Sometimes, randomly, when turning on my Ubuntu laptop (HP 6730b, Ubuntu 10.04) I get a wrong monitor setting (much lower resolution than normal) and it is not possible to set it correctly because the menu buttons are wrongly placed and some are not present (probably there is not enough room for them) I have no other way than to restart the system to get the right resolution. Can someone tell me this inexplicable (to me) behaviour? Of course I didn't change anything in monitor settings...
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Jan 16, 2010
I've been working my butt off all day now trying to get the nvidia drivers installed and then (the hard part) get dual screen to work properly with them installed. Finally I've gotten to the point where both of my screens are working perfect but now the login screen is on the second monitor instead of the first monitor for some reason I do not know.
Here's my xorg.conf:
Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@crested) Sun Feb 1 20:25:37 UTC 2009
Section "ServerLayout"
Identifier "Default Layout"
[Code]....
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Apr 11, 2010
I've got a dual monitor setup. The primary one is 1360*768 and the other is 1024*768. When I fullscreen a video on the web [URL] it fullscreens to the smaller (non-primary) monitor, but cuts some off the right hand side, as if it is fullscreening the right size to display on the bigger monitor, but instead does it on the smaller one. It happens with any web video, if I click the fullscreen button on the player, it moves it fullscreen to the other monitor.
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Mar 28, 2011
one of them is a TV with an HDMI input. The login screen shows up on the tv, so if someone is watching a movie, I have to pause it to switch inputs and login. Other than that, everything is fine. How do I get the login screen to show up on the main monitor?
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Apr 28, 2011
Why on ubuntu 11.04 with unity and dual monitor de notification area is in the wrong monitor and the Bluetooth, sound... buttons are on both? How could I change this?
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May 9, 2011
After upgrading to 11.04, I've been experiencing this weird issue with my monitor. Every time I reboot or turn the monitor on, the colors in Ubuntu are all wrong -- really green. If I go into my monitor's control panel and go to the "Input Color Format" setting and switch it from YPbPr to RGB things go back to normal.The problem is that I can't seem to save this setting. Every time the monitor is turned off it goes back to the wrong setting. I never had this issue before so it makes me think it may have something to do with the upgrade to Natty. The monitor is a Dell SP2208WFP and it's connected to my computer through an HDMI port. I use the Intel video driver.
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Jan 29, 2010
I have 2 monitor on and Nvidia FX5200 set up as twinview
Monitor 1 is an old Sony CRT @ 1280x1024
Monitor 2 is a Visio HDTV @1920x1080
I have setup Monitor 1 to be the primary using nvidia-settings but the GDM login keeps sowing up in the second monitor ; before the HDTV I had a CRT TV @ 1024x768 and all was good. My theory is that GDM determines the center of the Screen (both monitors together) and then centers on that monitor. If this is true then how may I override this behavior and force the GDM login to show on my primary monitor?
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Oct 15, 2010
Every time I open an app or window in Kubuntu 10.10, they open up on the secondary monitor. I would like them to open up on the main screen because I don't always want to use my second screen. Is there a setting I'm missing?
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Mar 15, 2011
I have a 2 monitor configuration, with the second monitor uses exclusively for mythtv. When I'm not actually watching tv or a muvie or watching visualizations with music playing, I actually use the machine for more productive uses. As the result the second monitor is typically not turned on, might have something to do the the fact it's a crt design, consumes a fair bit of power and does a good job keeping the media room overly warm.
The question is, does Fedora 11 or newer have a means to prevent applications from opening on the second monitor? I've checked the obvious places and nothing jumps out .
btw: According to the nvidia x server settings control panel the second monitor is set up as in twinview mode. This mode was chosen to allow the gpu to do most of the video decoding tasks using vdupau or something as I recall.
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Dec 30, 2009
I'm running CentOS 5.4 on an Atom-based motherboard with a quiet, low-power PSU. As the only fan left is a 40mm fan to cool the Intel 945GC chip, I'd like to run a utility to monitor the 945GC and HD temperatures. Ideally, it should be able to run the 945GC fan faster when it's needed.
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Jul 25, 2010
I am new to Linux (Ubuntu 10.4 LTS on a Thinkpad T40), now just two days, and had everything working nicely. But since I wanted a better higher resolution I tried to set the monitor resolution to a higher value. After selecting a higher resolution first the screen went black and now it has a white background and is steady but has flickering areas. The system is still working. How can I go back to the resolution that was working?
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Mar 2, 2010
On my Acer laptop wit ATI Xpress 1100 I have a native resolution of 1280 x 800, and Linux Mint 8 (of the Ubuntu family) offers that resolution without a problem. However, a few days ago I connected my laptop to my TV, and since then the correct resolution setting has been LOST. It doesn't appear anymore in the Display settings and so I had to choose a lesser resolution - I am now looking at a less sharp screen! How can I delete it? I hope that I don't need to reinstall...
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