Hardware :: Dual Head Monitors Under Nvidia With A Twist?
Oct 15, 2010
I have an Nvidia card that supports two monitors. Actually I have it setup. The problem I am having is I want to turn one of my monitors sideways so I can read forms easier. I can do this with just one monitor. RandR works fine with that. But it seems that when the system makes the two monitors into one long one it will not allow me to tweak the rotation in RandR.
Is there something I am missing. I deal with a lot of contracts and forms. And when I am reading them I hate scrolling. So I thought this could be an option. I have searched the net for 6 hours now. Maybe I do not know what I should be searching for.
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Feb 16, 2011
I'm using gnome in a dual-head setup with individual desktops. Is there any way to "jump" to another monitor using the keyboard only? Now the only method I know is to move the mouse pointer to the another screen and click on something there. Can I do something like that without using the mouse?
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Feb 3, 2011
I have two Ubuntu 10.4 machines (and Ubuntu continues to hide more and more xorg.conf config such that I no longer know where to find it). One is a laptop running dual headed - DP1 is the internal screen, and VGA1 is an external monitor; both are running at 1600x900. The other machine is a desktop running both VGA1 and HDMI1 (which is actually a display port with a DVI adapter) at 1600x900. So in both instances my desktop is 3200x900. I run a VNC server on the laptop and connect to it (via SSH tunnel) from the desktop - when I press the full screen hot key, I get a 1600x900 view of the remote machine on one monitor, and half of my local desktop on the other monitor - the "full screen" only expands to fill one local monitor.
Normally this is exactly what you want when you full screen a web browser, email client, or other application. I'm sure there's some X magic to make it clear what a full screen actually entails, and the vnc client application is just dutifully accepting what it's told. While I would like to keep the normal full screen behavior for regular applications, but when I'm VNCing to another 3200x900 machine, I'd really like full screen to stretch across both local displays. Resizing the window to be "close" isn't quite good enough since I still have local panels at the top and bottom of one display (though I can set them to autohide), plus the VNC client application window border (since it doesn't appear to respect -notitle).
Is there any good way to have X lie to a single application about the "full screen" size? Can I get it to lie to all applications? xrandr --noprimary appears to have no effect.
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Jan 28, 2010
I'm looking at the 2009 apple mac mini ([URL]and wondering if anyone has gotten dual head working? I'm putting two 17" or 19" monitors on, so nothing too adventurous. I know that I'll require the "Mini-DisplayPort-to-DVI" to get Dual DVI Adpaters, but I wanted to confirm that dual head would be supported from the start. I'm aware that there are issues with rebooting the device, possibly as a result of the wireless drivers. That doesn't bother me. Dual-head is a requirement I intend installing 9.10 and dual booting macos for firmware updates.
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Jan 24, 2011
I'm trying to set up my monitor and tv for dual display but I'm having some problems. I want them to display the same thing so I've enabled twinview and I figured the second display position should be set as clone but when I save xorg and restart the x server the position reverts to absolute. Anyway, the monitor is set as the primary display and it's the one I'm having problems with. The tv is fine but the monitor's display is stretched off the screen so I can't see the far right or bottom of the screen. I'm very new to linux and I'm just finding my feet so if there's any other info needed you'll probably have to be very specific.
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Apr 11, 2011
I just built a system with an Nvidia GT240 and Ubuntu 10.10. I have two monitors and am trying to get them set up. I currently have them working fine in twin view but I'd like to have set up as separate X screens. However, whenever I do that X crashes. I've got the latest drivers set up from the x-sane PPA so I'm not sure what more I can do. My driver version is 270.29.
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Sep 23, 2010
Ever since upgrading from F11 to F13, wallpaper spanning has been driving me nuts. No matter what the size of the wallpaper, I cannot get it to span two desktops correctly anymore. Most styles (zoom, scale, etc...) cause the image to be duplicated on both screens and the "span" style centers the image between the screens and appears to scale down the image leaving large gaps on either side. It's like the background program doesn't recognize the "virtual resolution".
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Jun 2, 2011
fresh install of 11.04 on a built system (frankenstein leftovers), 2.something ghz, 1gb ram, a host of drives, and a 64mb nvidia mx440 with svideo out. Boots up, looks pretty, something about unity not finding 3d graphics (fine, i don't really want it, just more fancy gui crap to suck cpu cycles) and runs fairly well. so I think, cool, svideo out, old 52" rear projection....HTPCish. "Lemme get this thing hooked up to the tv, what a great idea" So, I start looking around and find all kinds of wrong posts about not Natty, and not my video card, and I try this n that,and it doesn't work. I'm all about reading the forums, but I can't find the right info for my sitiation, and I'm overwhelmed/irritated.
Long story short, I added some repository ppg something, and then dl'd and installed the "nvidia-current" driver. After a reboot, I fire up the nvidia gui, and it tells me I have no xorg.conf and to run a particular command in terminal to make one. So I did it. and after another reboot, my system just hangs at "ubuntu" with the four (five?) dots. Reboot, recovery, something something something, safe graphics, backup your xorg.conf? yes. reboot and all is ok now. still no nvidia support. Now I'm reading the internet machine about the xorg.conf being old school, and how I have to make a monitor.conf file with config settings. only problem is it tells me to go to x11/xorg.conf.d/whatever. I have no xorg.conf.d directory. So what's the deal? How in the hell do I get the nvidia driver installed (I think I got that), configured (I have no clue), and running (yeah, I just saw a flying pig)?
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Nov 26, 2009
I used preupgrade to upgrade from F11 to F12. In F11, I used the proprietary nVidia drivers from rpmfusion, and they worked well. I have refrained from installing the nVidia drivers in F12, because of the problems reported for users of KDE. I removed my old xorg.conf, which has references to the nVidia driver and to "TwinView," the proprietary method of managing two screens, so as to let X discover both monitors.
Now, however, my second monitor stays black, even though xrandr and KDE RandR show both monitors correctly. Xorg.0.log shows the nouveau driver is loaded. (I also tried to create a new xorg.conf following guidelines from the web, but many of the guidelines are from before xrandr, and I'm not confident I have it right yet.) It seems that X believes I have two monitors, because I can drag a window off into the blackness (and it's never heard from again!) I know that the hardware is working, because I just booted into Windows 7, and I could see the desktop on both windows.
How do I convince X and KDE to display on both monitors?
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Feb 28, 2010
Anyone using dual monitors (dual head) and has a nvidia graphic card, might be interested in the app, Disper, nvnews.
You can configure a dual monitor, on/off, via nvidia-settings, but you can automate it with Disper by writing a script to execute something like:
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Mar 15, 2011
I have openSUSE 11.4 with standard KDE and two screens attached.Here's the question: How do I configure dual monitors when using the proprietary nVidia drivers?The openSUSE 11.4 installation put in the "nouveau" drivers for my nVidia card and I was able to configure dual monitors using KDE's Configure Desktop --> Display & Monitors GUI configurator. I could also set up dual monitors using a script based on xrandr (e.g. "xrandr --output VGA-1 --auto --pos 0x0 --output DVI-I-1 --auto --pos 1920x0")My screens are detected as VGA-1 and DVI-I-1 by the nouveau drivers.
OK, today I switched to the proprietary nVidia drivers. Only one of the screens is now detected and displayed in the KDE monitor configurator and that's marked as "default" rather than as a VGA or DVI connection.When I run xrandr to configure monitors, I get error messages if I refer to VGA or DVI hardware.
More info -- RPMs
nvidia-gfxG02-kmp-desktop-260.19.36_k2.6.37.1_1.2-23.1.x86_64
x11-video-nvidiaG02-260.19.36-24.1.x86_64
[code]....
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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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May 11, 2010
I have dual monitors running successfully with my BFG GeForce 8400GS and NVIDIA X server settings. The only problem is every time I restart, the settings go back to default, so I have to setup the dual monitors again.
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Feb 25, 2010
I have Ubuntu 9.10 installed on my computer. I also have Galaxy (Nvidia) 9500 GT PCI-E card installed on it. I can get both monitors (Acer X223w) to work but every time I shut off the computer and turn it back on the second monitor is shut off. I just need to turn it back on using Nvidia X Server Settings. I have tried to save my X configuratin file but I keep getting an error of:" Unable to remove old X config backup file '/etc/X11/xorg.conf.backup'. I have a feeling this is because I am not signed in as root. Is this correct? If this is the case is there a way to get to sign in as root not using the command lines? Otherwise they need to remove this button. I can manually create a backup (copy paste into a text file). I think. Getting back to my Xorg.conf file, I think I need to modify it to have two screens. I have also got some information on my video card using the lspci command. I think I need some information from this. I have written below (towards the bottom) what I think the file should be. Now before I do this, does anybody know of an easy way to back up my whole computer? With my luck I am about to screw something up big time. I think I can just get away with the text file that I copied from the Xorg. Worst case scenario I will just manually replace the file.
Information on my computer:
OS: Ubuntu 9.10 32bit
Motherboard: ASUS M3A78
CPU: AMD Phenom 9500 Quad Core
Video Card: Galaxy Geforce 9500 GT 1GB 128 bit DDR2 (Nvidia)
Hard Drive: Hitachi 1 TB Sata Drive 3 Gb/sec 7200 RPM
Ram: 4 GB (I think, its been awhile since I built this thing)
DVD Burner: LG
Here is a copy of my xorg.conf file: (I don't think it matters but I have both monitors turned on right now).
from the lspci | grep VGA:
I think I need the 01:00 information for my Bus ID. The only thing that I am confuse on is that I was expecting to see two of them.
Okay, this is what I think I need to do: I tried to add color to make it easier to find the changes I made but for some reason I cannot. I will add **** on the end (right side) so my additions and questions will be easier to find.
Do I need to add another Device for the video? Doesn't make sense to me since I only have one video card. I was told it should be based on the # of chips on the card. So I guess I should have two of them since I have two outputs.
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Sep 14, 2010
I've just installed 10.04 on an old system.
Hardware is:
- NVIDIA GeForce 6600 GT video card
- Gigabyte EP35C-DS3R motherboard with 3 gig ram, few TB of hard-drive
- dual monitors, both viewsonic vx2235wm, primary on analog, secondary on digital (but whatever, happy to reverse the order)
On the old setup (8.04) the monitors were set up as twinview, 1680x1050 each, no problems. On the new setup (10.04) my old xorg.conf (see below) doesn't work and nvidia xserver settings refuses to detect my second (digital) monitor at any resolution greater than 640x480.
I've tried messing with xorg.conf to no avail and google doesn't appear to be my friend.
Here's the old xorg.conf file that worked in 8.04 but refuses to even boot under 10.04:
Code:
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Jan 17, 2009
I've had so many problems with Ubuntu. it runs fine version 8.10 64 bit, but I can't install nividia drivers to run both my monitors. and of course steam games don't work... So I thought I'd join the Ubuntu forums to ask questions on has to fix it... NOT EASY. I tried to join there forum, but I could not even find a page to make an account? dose anyone know how? They expected me to all ready have one... and after an hour looking at the Ubuntu web site I could not find anywhere to make an account and join there forum. So here I am, hoping someone here can help.I just want to install the Nvidia driver for both monitors work and I might be able to install a 3rd party softare to let me play steam games. but Ubuntu keeps asking for some codes... I'm not sure what they are and when I try and update Ubuntu, if askes me for a password. I never set any passwords as I'm still learning the OS, so I tried "Root" and "Guest" both in lower and upercase, and both don't work. What is the bloody password, I never set one, so why is it doing this to me? I can't update Ubuntu. And it keeps asking me for some bloody code to install the Nvidia drive I downloaded? why? what is this code and where do I get it? And then other searches I've done tell me to get a "command line" and enter a command that deletes and/or fixes the problem... problem is that I have no idea how to find this command line in Ubuntu and know one what's to tell me, like it's a bit secerate, and I can't even join there forum to ask.
I'm a windows expert and work in IT with windows, but I thought it's time I learn more about other OS's, but Ubuntu is makeing it very hard as I can't even join there forum or install a Nvidia driver to run both my monitors, I'm just about to give up on Ubuntu as the surport form I can not access and there is no info on there web site on how to install and run dual monitors, and I can't sign up for there forums anywhere.
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Jul 11, 2011
I'm trying to get rid of my dedicated media center and connect my desktop to my TV instead. No matter what I change I get no picture at all on the TV when connected to the desktop. I already have two LCD monitors using nvidia's "TwinView" mode and I want the TV to just be an extension of this, at a lower resolution.
My system information is below, but note that anything in the tag " ### NEW {}" in the xorg.conf is my attempt at getting this to work, the rest was already there. Two LCD monitors are screens 0 and 1, the TV is screen 2.
Code:
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Jul 16, 2010
I've just performed a fresh installation of openSUSE 11.3. System specs include GA-MA790X-DS4, PhenomII X4 940 AM2+, Sapphire RadeonHD 3670, two monitors. What I'm trying to accomplish is to set up my KDE desktop to (as it did under 11.2) use a multi-desktop multi-output non-cloned setup, so that I can use my two monitors side by side and maximize windows in either one respectively, etc.
So here I am with my newly installed system. Obviously I can't use fglrx, as it doesn't yet support the 2.6.34 kernel, so amdcccle is right out. SaX2, I notice, is gone. I have tried using KDE's built-in configuration tools, but the dual-head setup doesn't persist between logins. Strangely, windows that were open on the second monitor do vanish off-screen, but the monitors return to their overlapped positions so it's useless. Monitor 2 doesn't even retain its resolution setting. As one does, I decided I'd manually edit the X configuration file. SHOCK HORROR! No xorg.conf So what I'm driving at is this: How oh how do I configure my X.org to remember that it has two, quite different, monitors under openSUSE 11.3 ? Sorry if this post is hard to follow, I got very little sleep while trying to sort out the myriad problems I caused myself in upgrading.
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Jun 14, 2011
I'm building another desktop. This is not a gaming system (though some video does cross my path), it's primary focus is as an application development platform. The thing is based on a SuperMicro two CPU motherboard with a couple intel multi-cores, 16GB RAM, a hardware RAID, and CentOS 5.6 (64bit). To this mix I would like to add a solid dual-head graphics card. Something that will support a couple HP LP2465 monitors (not new but functioning well). Speed of rendering is not my biggest concern, stability and "real estate" (the monitors are 1920x1200 and I want all of it).
I've looked a little at the Matrox items and started researching nVidia, but would like to hear opinions from those "in the know".The motherboard, though a solid performer, may have just made this trip unnecessary. It has a quirk that I hadn't considered before. It has several PCI-X slots (64-bit @ 133MHz) but only one "PCI-Express 1 (x8) on a (x16) slot". Does that seem a little strange to anyone else? Not that there is just one PCI-E but that it will fit a x16 board but will only support x8 connections...
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Jul 1, 2011
I want to be able to login on different users on my two screens. Is that possible? It would be nice if I could have the left screen and my gf could have the right. I'm using ubuntu 10.04 with gnome, and I have a Nvidia graphics card.
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Jun 22, 2011
In this particular example I am using NoMachine's NX, although the behaviour also occurs when running VNC for instance. I'd like to connect from my laptop (1 physical screen), to my desktop at work (2 physical screen) via NX. It all works but the following problem occurs: When I connect with my laptop to my desktop I (almost) always am connected to the 2nd physical screen, whereas all windows appear on this first screen. I can interact with my desktop, use the task manager etc, see which windows are running, but any application I start, starts on the first screen (which I cannot see) and for the life of me I cannot move them from screen1 to screen2 without dragging them (which obviously is impossible since I only see screen2).The obvious workaround is: *before* you connect disable the second screen via the display manager but for me this is a non-pratical work around because it requires a lot of actions before heading home. how I can connect from a single-head desktop to a dual-head desktop without crippeling my desktop experience?
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Jun 14, 2010
I am trying out conky for the first time and rather enjoying it. I have a small frustration though. I have a dual head setup and would like to have identical conky's showing on both monitors. I have tried creating two .conkyrc's (.conkyrc1 & .conkyrc2) and then using:-
Code:
$ conky -c config1
$ conky -c config2
to launch them, this results in only one of the two conky's displaying. I did at first think that maybe they were on top of eachother, but one conkyrc is set bottom_left, the other bottom_right so they should not be right??
When I try to run them as above terminal shows:-
Code:
gregg@burt:~$ conky -c config1
Conky: invalid configuration file 'config1'
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: forked to background, pid is 7017 .....
#NETWORK
${font Sans:size=9:weight=bold}${color grey}NETWORK ${hr 2}$color${font Sans:size=8:weight=bold}
${color grey} DOWNLOAD UPLOAD
${downspeedgraph eth0 30,115 000000 00ff00} ${alignr}${upspeedgraph eth0 30,115 000000 ff0000}$color
Processes 8 & 9 do not appear in my conky, just blank space between 7 & 10?? Also, the swap %age displays 'No swap%'?
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Jun 19, 2010
I just installed lucid on my laptop with a second screen. Unfortunately, I cannot display any video. Neither on the laptop screen nor on the second external screen. In contrast, rebooting without attaching the external screen allows me to display videos again.
I never experienced this kind of behavior with Ubuntu 9.10.
Graphic card: Intel 945
Let me know if you need further information.
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Nov 2, 2010
I need help to run dual head (extended mode) on top of the followings.
1. RHEL 4.2
2. graphic card in Intel 945GM chipset
Anyone to guide me the driver and the configuration I should use.
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May 9, 2010
Is this possible? I have 2 screens and I'd like to see if I can use the same panel on both sides.
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May 20, 2010
Can any recommend a PCIe video card for my AMD64 box?Looking for one which basically has a good working driver:
- can do dual head using DVI and VGA output.
- open source preferably, I've used the nvidia proprietary one before, was fine but kernel upgrades became a pain.
- passive heatsink so it's silent, doesn't need to be a fast card since my other two were both onboard graphics.
- driver can do KMS for nifty high res console.
- most typical features work, so Mplayer plays nicely and can scale to full screen etc. (xv output +/- accelerated decoding)
- even a bit of light 3D for openarena or compiz would be nice.
- don't mind buying second hand if they aren't available new
I've had a Nvidia 7050 on board which was ok, fast enough, but upgrading with the proprietary driver became painful, and that motherboard is dying a flaky death.
- The nouveau driver looked promising, but wasn't really in Debian at that stage. But I did once accidently boot a high res console while testing a brand new kernel (2.6.31 I think) and was blown away Currently got an ATI RS880 [Radeon HD 4200] on board which is fine, 2D is fast enough, but the open source driver isn't finished yet. It can't do dual head (horrible distortion and crashes), can't suspend to ram (freezes), Xvideo and any form of 3D acceleration are missing.
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Jun 1, 2011
I'm getting used to gnome3 one thing still bugs me- why when I switch workspaces on my multiple monitor machine does only the primary monitor change to a different workspace? The secondary monitor (my laptop screen) shows all open windows I put on it plus it's not even shown in the workspace list.
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Oct 6, 2010
I have two identical Samsung monitors. One is connected. to my motherboard VGA port (and appears as a Radeon HD 4200).The other is connected to a VGA port on a separate PCI Radeon 9200 PRO board. When I first installed Suse 11.3, I had to go through the nomodeset boot command (otherwise my system froze up on boot) and I only get video on the screen connected to the motherboard. The other monitor light. flashes which means it's not seeing a video signal. And, I do not have an xorg.conf file in /etc/X11.
So I did the following:
I did an Xorg -config which created an xorg.conf.new file which looked sensible in that it showed both Radeons, and appeared to set up a dual-head system. The only change I made was to change the driver for both controllers from radeon to radeonhd. Then, I copied xorg.conf.new to /etc/X11/xorg.conf and rebooted. And, nothing is changed. I still need to do nomodeset on boot and I still only get video on the screen connected to the motherboard. I'd attach the xorg.conf and Xorg.0.log files, but it says I can't add attachments to this post. I don't see any major errors in the Xorg.0.log file, but a lot of it is greek to me.
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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.
So my question is this. Is there a way to assign a hotkey combination to switch the focus of keyboard and mouse that the vnc server is controlling? Or could I set the vnc server to only control one of the two x screens?
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Jun 5, 2009
I am running CentOs 5.3 x86_64 on a Dell Latitude E6400 and can't get dual head to work.
My graphics card(s) are Intel Mobile 4 integrated (one in the laptop, one in the docking station)
My displays are two Dell 2208 WFP
I run the "Display settings" GUI and select "Dual head", "Spanning desktops" with the right card & monitor.
When I restart X it fails to start with stack trace in the /var/log/Xorg.0.log file (full log attached)
Backtrace:
My /etc/X11/xorg.conf is below.
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