Ubuntu :: Multiple Monitors - Can't Stop Mirror Screen Effect
Aug 14, 2010
I've been running Ubuntu 10.04 since it came out using two monitors, on the extended desktop option (the way I want it to be) with no problems. Today I unplugged the HDMI cable from my laptop and used it for my ps3 and now when I put the HDMI back in it will only run in the mirror desktop option. This is not acceptable to me as my 2nd monitor is a 50inch tv with a much higher resolution than my laptop.
When I uncheck the "Same image in all monitors" box it says to log out and back in. Doing this changes nothing(neither has restarting), it is still a mirrored screen.
When I click the detect monitors button absolutely nothing happens. Before today the detect monitors button did work.
How can I go about fixing this?
Edit: Also I just watched a show on the laptop and theres a lot of screen tearing, this didn't happen before.
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Feb 23, 2010
I have been playing around a bit today and decided to hook my tv up to my slack box. I have an NVIDIA gt220 using the proprietary drivers which supports multiple monitors and I can get various setups like an extended desktop and xinerama, but what I can not seem to do, and what I'd actually like to do, is just have both the monitor and the TV display the same images. If it would work better/easier I also have a second NVIDIA card, although it is a different model. I haven't bothered trying that yet as it seems like it would be easier to configure one card instead of two.
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Jun 4, 2010
I'm starting to have A LOT of opened windows in my machine. Sometimes within a project, I have e-mail/task management/personal e-mail/twitter, and a lot of different opened applications/terminals in my Linux workstation.Sometimes it would be interesting to have different workspaces to projects instead of this configuration I have nowadays that are classes of work (bad name, I know, but I think you got the idea).I'm starting to think about using two monitors: one with Corporate Management, Work and Personal. The second monitor is only the development state: each workspace here is about a project being worked on instead of groups of works like before. A workspace may be implementing different classes for example.
My question is: I just want to change to a second monitor using the mouse. I want to still be able to change workspaces in the same monitor using keyboard shortcuts. The keyboard shortcuts wouldn't change monitors, just worskpaces on the same monitor. All the tutorials I read (like this one) only tells how to use multiple monitors but doesn't answer my question about keyboard shortcuts.Does Linux (Ubuntu 10.04 Lucid Lynx or Debian 5.0.5 Lenny) support this envisioned setup (Different workspaces in a way that keyboard workspace switching only works in the current monitor) ? If so, how?I haven't tested this setup, that's why I'm asking. In this question the user says it works exactly how I want it to behave, can someone else confirm it?
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Jul 12, 2010
So essentially, I have 3 monitors and i'm attempting to run 2 different window managers/sessions at once split up on the monitors. It is intended to be like this:
Code:
[GNOME/Compiz - Screen0]
- Left Monitor[code]......
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May 7, 2010
I have upgraded to 10.4 and and after try to install mac look in ubuntu.My screen start flickering, I found it this due to in system => preference => appearance => effect become no effect automatically (as each and every time I select extra effect)After some time.for changing this setting i need to turn off the computer and restart then after i can do it i.e. change effect to extra effect. Its done after following installation
[URL]
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Oct 1, 2010
I use Kubuntu 10.04. I want to use multiple monitors in an extended way. When i connect a monitor to my laptop, i get the same desktop view on both monitors. When i go to system settings - display - multiple monitors, i see the message: "This module is only for configuring systems with a single desktop spread across multiple monitors. You do not appear to have this configuration".
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Nov 30, 2010
I'm running Ubuntu 10.10 x64 as a guest in VirtualBox on top of Windows 7. I recently bought a second monitor, and I want to set up my Ubuntu guest to use both monitors. I configured VirtualBox to give two displays to the VM, and two windows are displayed when I run the VM, however, the Ubuntu guest only uses the primary screen and does nothing with the second--the second screen is just black.
When I go to the monitor settings, only the one monitor is detected (as an "unknown monitor") I have the latest guest additions installed and the driver under System-Administration->Additional Drivers is shown as installed and working correctly. I don't have any issues with the single display--it shows in the correct resolution, and works fine if I set it to fullscreen or seamless mode. Any thoughts on getting Ubuntu to detect the other screen?
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Dec 14, 2010
I've been using linux for roughly 12 years now but I've always avoided linux on the desktop since touching X back in the day was quite a hassle. I recently decided that rather than keeping my windows desktop full of 15 PuTTY instances, I should rock the *nix desktop.
I started by installing Ubuntu 10.10 Desktop. It detected my two monitors handing off a pci express card just fine. I decided to install the ATI drivers when it prompted me - the proprietary drivers would let me select to use the monitors separately, but would always just default back to mirroring the screens. I was unable to get it to stop that, so I had to go back to the open source drivers. Which is fine, I don't really need the 3d accel. Roll forward a week, I ordered another video card to add another screen. I purchased another ATI card, since word on the street is that same-vendor chipsets play best together. This one had to be PCI, if this matters.
dmesg reports the new card is fine and happy, but the Monitors GUI thing doesn't detect any monitors off the new card, or report anything about it. So: what should I do to make the second video card get noticed?[URL]...
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Sep 9, 2010
Got Ubuntu installed with not much trouble, tho I found the install CD not as helpful as it might be. Anyway, I have three monitors and want to get them running, same as in XP. Is there somewhere I can read up on this? At the moment my worst card is on the lowest PCI slot, and as I understand it, that makes it always the default, but XP has no trouble with that. Ubuntu's monitor setup page tells me 'unknown monitor' and seems unhappy with the graphics abilities of the card, but lspci reports all three cards correctly, so they are 'visible' at least.
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Feb 20, 2010
I'm running a lenovo laptop with an nVidia Quadro FX 570M and Ubuntu 9.10.
I cannot get my external monitor to work properly for me (using nvidia-settings). It basically creates a single continuous monitor space across both the external and the inbuilt monitor (maximising a window, covers BOTH monitors and the gnomepanels run across both monitors)
I think its related to my xorg.conf settings, which are as following, Can any one help:
(It used to work for me when I was using ubuntu 8.4)
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Feb 7, 2011
I just abandoned Windows 7 for Ubuntu. I am trying to setup my monitors on my desktop. I have 3 monitors (i have 2 graphics cards with 2 monitors per graphics card -- so potential for 4 monitors).
Currently I have 2 of the monitors working, but they only mirror each other. I tried going in to System-Preferences-Monitors to configure them the way I want to, but nothing i do stops them from mirroring each other.
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Mar 6, 2010
How to get AWN to run on two monitors? I want a bar on each monitor. I used to be able to start two instances using a shell script below but that doesn't seem to be working now.
Code:
#!/bin/bash
killall avant-window-navigator
sleep 4
DISPLAY=:0.0 avant-window-navigator &
sleep 4
DISPLAY=:0.1 avant-window-navigator &
Playing around more with this and it looks like avant no checks to see if there is another instance running and will not start if there is. That is a bummer. Any way to change this?
dccrens@cavermax-ubuntu:~$ DISPLAY=:0.0 avant-window-navigator &
[1] 15569
dccrens@cavermax-ubuntu:~$
** (avant-window-navigator:15569): WARNING **: Another instance of Awn is running
[1]+ Done DISPLAY=:0.0 avant-window-navigator
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Jun 22, 2011
I'm trying to get 4 monitors working in Ubuntu 11.04 the way I would like to. I have two Radeon video cards with two monitors connected to each. With proprietary ATI drivers and the Catalyst Control Center I'm able to see all the monitors and Have Multi-Display setups, but they're separated for each video card. I can move items to and from Monitor 1 to Monitor 2, and Monitor 3 to Monitor 4. I'm not able to move windows from 2 to 3 or 4. The two separate display setups have their own set of workspaces too. I've tried enabling xinerama, but when I log back in after a restart the screen is just black and I'm forced to reboot manually. The two separate displays wouldn't be that much of a problem except that my keyboard doesn't seem to work on any application opened on monitors 3 and 4 after I've clicked on something in Monitor 1 or 2.
Below is one of the configs I've been messing around with:
Code:
Section "ServerLayout"
#Screen "amdcccle-Screen[2]-0" 3840 0
#Screen "amdcccle-Screen[1]-1"
Identifier "Layout0"
[Code].....
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Sep 8, 2010
how is the support for multiple, two or more, monitors in ubuntu (10.04) when using a graphic cards from AMD(/ATI), for example the HD 5770. (Which I'm currently using). I know that DP is required to use three monitors on a regular card. But other than that, will it work? Am I to expect a lot of work to be able to get it working? Or will it simply be impossible? (And yes, I know that AMDs(/ATI) drivers aren't always the best... Although changing to a card from nvidia at this moment isn't possible)
The background to my question is that I'm thinking about buying another monitor, same model as the current one I'm using, and later on perhaps expand to buy another one.Tried to search for it but wasn't able to find how the support would be in linux, and ubuntu in particular, since most I found is about the windows support, which should work quite easy and therefore isn't relevant.
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Dec 3, 2010
I'm using a NVIDIA 9600M GT on my laptop running Ubuntu 10.10. The laptop has a 16:10 display, I also connected my 16:9 LCD TV via HDMI. I would like to use them as clones. The problem is, as my TV has a different aspect ratio than my laptop display, the image does not fully fit on the TV. For example, when using a resolution of 1280x800 (16:10), one tenth of the width of that image is missing on my TV, as it has an aspect ratio of 16:9.
In Windows, the NVIDIA software stretches the image so that it appears a little distorted on my TV, but at least I see everything. Is it possible to do that in Ubuntu?
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Aug 16, 2011
I'm about to start a new build for my primary machine at home. The plan is to load up a server/workstation motherboard (ASUS KGPE-D16) with two 8-core chip, as much RAM as it will take (32GB) and to put two graphics cards in it. One to power my main 24" monitor (ideally via HDMI) and the other card to power two screens, one 24" on each left and right side via DVI (unless I can find a dual-HDMI card that meets my needs).
Does that make sense? Here's my question for this awesome group of intelligent individuals: What video card model should I choose? Obviously, I'd like them to match so I can SLI / CrossFire if I really want to, but what setup should I plan on to have a good experience managing multiple displays on multiple video cards?
Oh, and budget is probably up to about $300 per card, maybe a little more if it makes a lot of sense.I'm not alone in having tons of problems with trying to get multi monitor support in the last few versions of Ubuntu, and honestly it's the only reason why I'm still running Windows7: the multi monitor support is just SO DAMNED easy! I shouldn't have to spend this much energy thinking about video card model- it should just work, shouldn't it?
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Mar 29, 2010
I would like to create the following setup:
3 monitors: 1 2 3
monitor 1 and 3: 4:3 monitors, running 1600x1200, rotated 90 degrees
monitor 2: 16:9 monitor, running 1920x1080
Can this be done in Linux? If so: how? If not: what's preventing it from being possible?
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Mar 13, 2011
As both root and myself, I've gone into the:
configure desktop -> display and monitor
thing and set "primary output" to "DVI-I-1" and
set the DVI-I-2 connection to the "Right of DVI-I-1" position
[code]....
Doesn't work when done either as root or as me. So, there *must* be a way. How?
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Feb 2, 2011
I have Ubuntu 10.04 running gnome and two monitors. I am wondering if a can get a better multi-monitor configuration tool. The one I have, gnome-display-properties, has too many problems, including: When I swapped my monitors over, the narrower (external) one now on the left. There is a width calculation error, such that I have a virtual monitor the width of the wide-monitor on the narrow-monitor and part of the wide monitor. And a virtual narrow-monitor on the remainder of the wide-monitor. Also the visible mouse pointer does is not aligned with the active spot, an x offset of one monitor width. I would like, in approximate order of importance:
[Code]...
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Mar 27, 2011
I have Ubuntu 10.04 running gnome and two monitors.I am wondering if a can get a better multi-monitor configuration tool. The one I have, gnome-display-properties, has too many problems, including: When I swapped my monitors over, the narrower (external) one now on the left. There is a width calculation error, such that I have a virtual monitor the width of the wide-monitor on the narrow-monitor and part of the wide monitor. And a virtual narrow-monitor on the remainder of the wide-monitor. Also the visible mouse pointer does is not aligned with the active spot, an x offset of one monitor width. in approximate order of importance:to be able to select which is primary monitor.to have multiple configurations. configurations to be automatically selected based on which monitors are attached.configurations to be cycled (reliably) when display mode key is pressed. when a display is deactivated, for windows to migrate to remaining monitors. option to not change display resolution when mirroring, but to use side/top blanking bars to pad out screen.
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Jun 2, 2011
Anyone have a multi-card, multidisplay setup working with gnome 3 and Fedora 15? I have two nvidia 9500GT cards driving 4 monitors (2 per card) using the proprietary nvidia drivers (270.41.19) The setup had been working fine with the previous version of Gnome and Fedora 14. I was using xinerama to have one large desktop spanning 4 screens. No problems until I upgraded. KDE works after configuring using nvidia-settings, however gnome 3 is not useable. I get two screens black (but with mouse pointers when I move the mouse) and the right two screens with the background but the activities corner in the right hand side of the right most screen, rendering it useless.
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Mar 26, 2010
I have an older computer with Arch installed that I want to use to accomplish most of my daily tasks using the command-line (Mailgrab, IRSSI, mpg123, Elinks, Vi, etc). I realize that there are many lightweight WMs out there that support multiple monitors, but it'd be nice if I could just use Screen or something to that effect to distribute my windows across two or three displays.
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Mar 25, 2010
setting up my dual monitors. I can get a continuous screen but the screen does fill the lcd screen all the way. I have dove in to xorg. I'm on fedora 12 .
[Code]...
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Jun 8, 2010
The 'Multiple Screens' tool, aka grandr, is very handy for setting up my dual monitors. But restarting my system restores the monitor setup to the (crummy) default settings. Is there a way to save these settings and make sure they are always applied when the OS boots? Putting these settings in my xorg.conf would be fine, but I'm not sure where or in what form the settings generated by grandr might be located, or if they're at all xorg.conf compatible.
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Aug 30, 2015
I've always used Debian with a single monitor and no need of proprietary drivers, because I usually don't do graphics or multimedia. Now I'm asked to set-up a machine with 3 nvidia video cards (770) and 4 monitors and everything went south. I started with just 2 monitors connected to 2 different video cards, not wanting to push my luck.
I installed a fresh Jessie and followed the instruction to install the nvidia drivers and tools from the Wiki. Everything went smooth. After reboot I executed (as root) nvidia-settings and I configured the two monitors to be one to the right to the other, with BaseMosaic option (at this point just one monitor was active) I saved the configuration to /etc/X11/xorg.conf , I even executed nvidia-xconfig as suggested, I rebooted and nothing happened, only one monitor was working, while the other -- looking again in the nvidia settings -- was still disabled.
I then tried with xinerama option and things are even worse, since now both monitors are black. I can login in one textual shell, but then I don't know what to do, since in my 10+ years of linux ... I never had to mess with X server. Is there a way to at least recover a working X without reinstalling everything?
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Aug 4, 2010
Normally when a program is open an entry is placed on the taskbar in order to easily find it, which is useful when a lot of programs are open. In Ubuntu 10.04, when I moved a program to the other monitor (I'm using 2 monitors) the taskbar entry also moves to the taskbar on that monitor.
Now I switched over to Ultimate Edition, which is Ubuntu 10.04 with a lot of stuff added to it. When I drag a program to the other monitor, the entry in the taskbar disappears, but it does not reappear in the taskbar of the other monitor. So now the only way for me to find a program on this monitor if its hidden behind other windows is to use alt-tab.
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Mar 17, 2011
I am using nvidia-settings to configure multiple monitors . The monitors' native resolutions are different, so this generates 'gaps' where the items are drawn on the virtual screen but not on any of the physical ones. How can I configure the display settings to not have any content drawn on the regions which are not directly mapped to a physical screen?
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Mar 18, 2010
I'm having some trouble hooking my external flatscreen monitor up to my Toshiba Tecra's docking station and having Mint (or Debian) be happy with it. The laptop uses a widescreen monitor but my external is a 4x3; I wonder if this is causing problems. Of course, it may just be the Intel 82801G graphics adapter.et things up properly in the Display Preferences config window (I'm using Gnome, btw) but when I hit apply, the system locks and I have to hard boot. I've never set up a linux box with multiple monitors before, let alone multiple monitors that require different resolutions.
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Apr 20, 2011
I installed the Gnome Splash Screen application to change my login splash screen to the same background as my desktop.After using the program and applying my changes, and rebooting nothing happened. I still have the pink default image in the background instead of the image I chose.I did not have any luck using a search engine to solve this issue.I'm using Ubuntu 10.10 with an Nvidia graphics card.This is my first attempt at linux support of any kind and I hope I am in the right place and using an acceptable format
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Aug 30, 2010
I've been using Ubuntu for a while on my laptop so I thought I'd also run it on my arcade machine. The monitor can handle a resolution up to at least 704x513 60hz (the resolution the original arcade game used) and uses composite sync. I've spent some time using xrandr to get the resolution, refresh rate and sync polarities that I need.
These are the commands I used to set my resolution.code...
But it has the same effect since I have the hsync and vsync wired into a composite sync anyway.
What I get is this weird split screen effect that's in the picture. It looks like I'm missing something I just cant figure it out!
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