Ubuntu Multimedia :: Separate X Screen For Dual GPU?
Sep 1, 2011
I'm trying to get my Dual Monitor setup working. I have a 1900x1080 LCD and a 1280x1020 LCD. Cards are dual nvidia 7600GT.
I had the system set up using TwinView for a while but I opted to switch over to "Separate X Screen" so that the two displays could serve as separate desktops with different functions. Initially they were both running off of GPU0 and everything was fine. I then decided to swap the smaller monitor over to GPU1 to make better use of my available resources. I have no issue using the nVidia configuration utility and all appears well but when I respart X it comes up with a black screen and a white mouse cursor and then just lags. The mouse moves initially but after a few minutes it freezes and the whole system locks. I have to hard reboot and then it comes up with only one monitor. Inspection of the xorg.conf file shows that it has disabled the second monitor in order to start X.
Can someone look at my xorg.conf and see if there's anything obvious that would cause it to break? Is there some issue with separate cards that is fundamentally different from a dual-head card?
Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@yellow) Fri Apr 9 11:51:21 UTC 2010
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder62) Wed Nov 11 06:45:14 PST 2009
[Code].....
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Feb 18, 2010
I've played around with a second monitor, but so far I haven't found a satisfying solution. I am using a laptop with a GeForce 9600M GS graphics card. I have managed to set up twinview, but my monitors don't have the same height so I'd rather have something like the "seperate x screen" option. Or how I imagine that option would be like. After some problems with the nvidia configuration tool (I couldn't change the xorg.conf, until I read this: [URL] I now have two separate screens, but the second one is all empty, with black background and X-shaped mouse cursor.
There seems to be no window manager running, I can start programs there with -display :0.1 , but they don't get any frame decoration and, which is worse, no keyboard focus. I'd be fine with a fullscreen konsole there, so I don't really need a window manager, but I do need access from the keyboard. I'd prefer a setup that would allow me to easily (without editing xorg.conf) switch between using both monitors and using only one, because I don't always use the laptop at home.
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Jul 9, 2011
I currently have a problem with my nvidia settings
I reinstalled 11.04 kubuntu recently and I no longer could use my second screen.
I looked into my nvidia settings and enabled my second screen (separate x screen).
However when I do so and press apply the second screen does nothing.
This is two desktop monitors and not a laptop and a monitor.
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May 1, 2011
I did a clean install of 11.04 and I have experienced that my separate X-screen does not have the program-name bar with the minimize, close-buttons etc. It's my third monitor is a separate X and it does not really work since I cant close programs, maximize windows or move them around. I cant even write anything on it. The first two monitors work great as one X-screen, just as they did in 10.10. Ubuntu Classic, no Unity. Two monitors (one X) on a ATI HD6970 One monitor (the X-screen that doesn't work properly) on a ATI HD4870
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Feb 11, 2010
i switched my netbook over to ubuntu and love it, ive been trying to switch over my desktop and managed to work out the file sharing...but cant figure out how to do dual screens with ubuntu.
my video card is a geforce 7600 gs, i loaded wubi to give ubuntu a shot and couldnt manage to get it like i have it in XP...i use my main monitor and i can move things to the right to my TV hooked up with an RCA cable, maximize it and play it like its a 2nd screen...when i tried to hook it up using ubuntu it made it like one giant screen...how do i get 2 entirely separate screens?
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Jun 15, 2010
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I've read about installing Windows after Linux in the user guide and reinstalling grub2 - I got the impression though, the they were installed on the same HDD and thought that what I want to achieve may differ?
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Jul 25, 2010
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Apr 5, 2011
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I need to know things like:
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Jun 4, 2011
I have Ubuntu 11.04 on 1TB HDD and Win 7 on another 1TB HDD. Right now I have to unplug a SATA cable to get to boot into one or the other. What is the best way to be able to pick. I don't care which OS I do it in or which is the primary, if there has to be one. I have an MSI mobo.
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Oct 9, 2010
When I set my background in Ubuntu 9.04, I cannot find a method (for dual monitors) to either replicate the same image on each screen or set separate backgrounds scaled on each screen. I am using the gnome desktop, but I'm not sure how to find out which version I am running.
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Mar 4, 2010
I have a 24inch monitor and a LCD TV both connected to my graphic card, by HDMI for the TV and DVI for the monitor. Here's my problem: I would like GDM and Boxee to start simultaneously when I start my computer, Boxee displayed on my TV and GDM on my monitor. I made some research and I unfortunately did not found anything about starting a graphical software and GDM in parrallel (two separated DISPLAY). I have no particular attachment to GDM so if you think it would be easier to use the classic login prompt or another Display-Manager do not hesitate, The crux is to have an authentification system before accessing to Gnome and an detached Boxee running on my TV.
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Jun 22, 2011
After 2 months without any problems, my second screen plugged on my laptop has stopped working. It works on my windows partition. When I start the computer, I see the login screen on both screens. When I enter the password, both screen turn to black. If I unplug the extra monitor, the laptop start normally.I'm on Ubuntu Natty, my laptop is a Thinkpad E420s with Intel HD graphics, i5 cpu, 4gb ram.
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Feb 15, 2010
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May 31, 2010
I have tried (a few times now lol) to get this setup. I am using Windows 7 64-bit and Ubuntu 10.4 64-bit. I have Windows 7 installed on one hdd, another hdd has the System Reserved partition along with a data partition for files, the third hdd is the one where I want to install Ubuntu. I have found numerous tutorials on installing them both on the same drive, but not on separate ones. The couple I have found haven't really worked.
I think that Ubuntu is installed correctly but there is no option to boot into it. Windows 7 just happily loads itself. I have tried reinstalling and selecting 'sdc1' (the native ubuntu partition) as the location for the bootloader to be installed and then used Easy BCD to add that location to the windows bootloader which gives the option to load Ubuntu but when selected dies complaining that there is a missing file (I think it just can't find the Ubuntu bootloader).
As an aside when I get to the installation screen the Ubuntu installer keeps on telling me that there are no operating systems detected on the machine (Even though I'm pretty sure the drive it is talking about 'sda' is where Windows 7 is installed). Not sure if that matters just seemed a little wierd.
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Jan 2, 2011
I have my computer set up to use separate x screens for both of my monitors and almost everything works perfectly. With this set up I don't have any problem displaying flash in full screen on either monitor like I had with twinview. I have it set up this way so that I can use my TV to display mythtv and still use my computer monitor to browse the web, etc. The only problem is that I use my iphone with hipporemote to give me a wireless keyboard/mouse. When using twinview this was not a problem as it was just one large desktop spread over two monitors.
However, switching to separate x screens seems to have broken the functionality of the vnc server. When using my physical keyboard and mouse I can just move the cursor off the side of monitor 1 to control monitor 2, however, if I'm connected via vnc the cursor gets "trapped" inside the active monitor. I can interact with each screen as expected but if I want to switch the mouse/keyboard focus to the other monitor I have to go to the computer and move the mouse to the desired monitor, which obviously defeats the purpose of using the iphone as a wireless remote.
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Mar 4, 2011
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May 2, 2011
Prior to upgrading to 11.04 from 10.10, I was using the Seperate X Servers option in nvidia-settings for handling my dual-monitor setup. This mode enabled both monitors to be fully independent, running their own WM and having their own virtual desktops. This was convenient for me as I could keep my web browser on one virtual desktop on one screen, and switch to other virtual desktops without losing it. However, since upgrading to 11.04, this mode no longer functions properly.
The issues I have ran into with it are various:
1: The window manager no longer starts on the second monitor.
2: Any panel applets that were present on the second monitor immediately crashed upon switching over to Ubuntu Classic from Unity, and were unable to be added back to the panel (they would just crash again as soon as they were added)
3: Any application I started on that second monitor from the menus or launcher shortcuts would start without having focus, and could not gain focus through any means (focus remained on the primary monitor, the second monitor's interface would not respond to keystrokes of any sort, mouse-clicking in windows would not give them focus either).
This has essentially completely broken the usability of my system for my work.
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Jul 10, 2011
I am finding it hard to get 2 seperate hard drives to work each having different OS..... windows XP and Ubuntu 10.10. Making Ubuntu the master, it can recognise the drive but cannot boot from it. If XP is the master it does not recognise the Ubuntu drive at all.
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Jan 7, 2010
I am running 9.10 on a laptop with an external monitor. when i run a flash video in full screen on the external monitor and click anything on the workspace of the laptop screen, the flash video on the external monitor will revert back from full screen.
this did not happen a couple of weeks back. i have not used it for 3 weeks. maybe one of the updates in between changed some setting?
does anyone now how to fix the problem?
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May 14, 2010
I use Ubuntu Netbook Remix, and I've installed Lucid over Karmic. (Not an upgrade process, because I didn't have enough space on my primary drive.) I have an Acer AL1511 LCD screen attached as a second screen - ie dual head. All that works fine. However....
I rely on xcalib from Stefan Doehla to invert my screen gamma ramps, ie turn them to white text on black backgrounds. This worked perfectly, just using
xcalib -i -alter
but now, xcalib only inverts the netbook screen. The second screen remains stubbornly unaffected.
Since xcalib has not changed, and it works on one screen, maybe something changed between Karmic and Lucid.
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Feb 6, 2011
After a few tries, I managed to install Ubuntu on my 3rd generation Macbook Pro (MacbookPro3,1). I installed the proprietary drivers for the Nvidia graphics card and got all the other features working with the information from this page. However, I am having various problems getting the screens working as I would like. When my laptop is at my desk, it is connected to an external 24-inch monitor via DVI, however I regularly disconnect this screen when I go to uni etc.
Ideally I would like Ubuntu to do the following (all of which I can do in Windows and Mac, or the equivalent thereof): Auto-detect when the external monitor is plugged in, set that monitor as the primary screen (with gnome panel etc). And auto-detect when it is unplugged and set the laptop screen as primary.
Support moving windows between both screens Compiz on both screens Separate colour calibration on each screen So far, I have only been able to get a subset of these working at once. I got 2 working alone, without any compiz and the colour calibration only worked on the laptop screen. I got 3 and 4 working without being able to move windows between screens. I have not been able to get 1 working at all - when I disconnect the monitor, I have to tell the nvidia control panel it is gone.
Is there any way to get all four of these things working? I would be willing to sacrifice 3 if 1, 2, and 4 were all working. (I posted this thread to Apple users as well, but I figure there will be more activity here).
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Feb 25, 2010
I need a seperate workspace on each monitor and I use nvidia propriatary graphics drivers (I have a Geforce 9500 GT Graphics Card. It has one dvi port and one vga using both for my monitors.) The only problem is whenever I try to save the settings I apply something like twinview or the seperate x workspaces with the second monitor enabled It applys it but this is what happens in sequence (It may be only twinview that does this but i'm not sure not at my home computer right now):
1.) Picture cuts out to a blank screen on main monitor
2.) Pictures turns on in the second monitor (Its a seperate workspace from the main monitor)
3.) 3 to 5 seconds later the picute cuts out to the second monitor
4.) I'm left with two blank screen monitors and no way to turn the GUI back on other than a complete restart of the computer.
I need help on both of these issues. If it helps any one monitor is a CRT (The one on the right) and the one on the left is an LCD (The LCD is the main one). I also have Ubuntu 9.10 32 bit Karmic Koala if that helps. Lastly I have the latest propriatary graphics driver from nvidia (185 I think.) I also installed the driver from nvidia via Jockey (I think thats the name of the default driver installer for ubuntu..?) That is my situation and as you can tell its a pretty complicated one.
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Jul 28, 2010
I would like to have 1 hard drive operate with Ubuntu 10.04 and another with Windows 7 Pro, with a proper boot selection menu when I boot up my computer.
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Sep 29, 2010
I have Windows 7 x64 on a RAID0 Setup and have a separate 120GB Hard Drive and want to DualBoot with Ubuntu! How do I go by doing that seeing that LiveCD is not detecting Windows 7 Loader?
Twitpic : [URL]
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Oct 25, 2010
I'm 'trying' to dual boot WinXP and Ubuntu 10.10 from 2 separate HDD's. Currently I'm on attempt number 6 but my patience wore thin about 2 days ago - here's the current state of play: I have WinXP running fine (Was installed first) and I have Ubuntu running fine if I use a boot loader disc. I don't have any boot options at all - if I let the PC boot naturally then it just loads XP as normal. I followed this guide to the letter: [URL]
(For those that don't want to read the link: It get's you to create 4 partitions on a drive - 1: ntfs for winxp (not touched) 2: Linux partition 3: linux-swap partition 4: fat32 osshare partition) then if you get no boot options, it creates an ubuntu.bin file which you move to the C: and edit the boot.ini to include it in the options). But all the difference it makes is I get boot options, I press Ubuntu and my computer sits with a blinking cursor for as long as you let it.
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May 29, 2011
I've been trying to properly install grub for the past 3 days and failing every time.I recently bought a new computer and would like to dual boot Windows 7 64 and Natty. On my previous machines, ubuntu installer has automatically detected windows. It does not do so on this machine.I have three hard drives: 2 ssd's and a single 3 tb drive for storage.
I would like one ssd for windows 7 and one for natty.Currently, I am able to boot into both OS's but only by altering the boot sequence of the drives from the bios. I am hesitant to install grub to the windows drive for fear I will lose the ability to boot into windows. I did this early in the discovery process and ended up having to reinstall windows.
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Aug 25, 2011
I have been messing around with the ubuntu family for some time now, and usually have no problem finding my answers. This one, however, is giving me some trouble. I have been using ubuntu on my laptop for some time now, and recently got a new 2TB hard drive for my desktop. I cloned the old hard drive to the new one, and decided to install ubuntu onto a third drive. The third drive was IDE, the new one is SATA. I disconnected the other hard drive, and so my current set up is a SATA drive with Windows 7, and an IDE drive with Ubuntu (11.04 of course)
Well, I am unable to dual boot between the two, unfortunately, and would like to figure out how. I would like to say the problem is with Windows, since that is the primary drive. No GRUB shows up upon booting when both drives are plugged in, and the Windows Bootloader does not show my installation of Ubuntu, instead it goes right to Windows.
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May 18, 2010
When I use seperate x screen with nvidia, I only get a black screen on the tv. I can only see the mouse cursor on the tv. But can I see the rest? I use the Nvidia driver. I use the configuration "seperate x screen", and it is connected with a hdmi cable. I use Sabayon linux 5.2, and use the gnome desktop. Could it be that gnome dosn't support seperate x screen like KDE 4?
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May 7, 2010
I just installed Ubuntu 10.04 64 bit and I'm having a problem with the graphics card.
I have dual screens, and I'm using the default card. My Left screen is perfectly normal but my right screen has a black bar, roughly 2cm wide, along the left hand side of it. And that hole screen is shifted to the left 2cm (so if I maximise a window in it you can't see about 2 cm of the right edge).
I'm not sure why this is happening. Worked on Karmic. Haven't installed anything, just the defaults. My graphics card is a Radeon HD 4870.
Also, I couldn't get Compiz to work with this card on Karmic, is it possible to get it to work here on Lucid? I heard they were improving the drivers. If so, how?
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Nov 4, 2010
I have a dual-screen set-up with Ubuntu 10.10. I have an ATI Mobility Radeon HD 5650 video card. I use my lower-resolution laptop screen on the left and a larger monitor on the right. The monitor is also physically higher than the monitor. See attachment for a screenshot.I have correctly set up my displays so that if the mouse is in the middle of the screen it can move from one screen to the other without jumping. The jumping happens when moving off of one screen in an area where the other screen is not directly next to it (some people call this 'the void').
Example: (See the attachment for a visual example of this.) My mouse is in the external monitor (right monitor). As I move the mouse to the top-left of the monitor (position 1), I by mistake go a little too far and instead of hitting the Ubuntu applications menu, I ended up at the top-right of the laptop monitor (left monitor; position 2). I quickly realize my mistake and move the mouse back to the right monitor, but now the mouse is at the middle-left position (position 3).This same error occurs by moving the mouse on the laptop monitor (left monitor) passed the bottom-right position. This is a big problem when scrolling vertical scroll bars on the laptop monitor (left monitor).I am looking for a fix that if the mouse is at position 1 in the attachment and I move the mouse left, it stays at position 1 and does not go to position 2.
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