Interfacing with dual-monitor machine

Hello all--
I've got a G5 at home with dual monitors on which I run 3D animation software with lots of panels. I'd like to be able to control the G5 from work using a laptop (possibly also connected to an external monitor). Is it possible to display both screens of the desktop using ARDv3 on the laptop? Some users have mentioned they can do this but the size of the remote screens is unsatisfactory. So, again, can you visualize both screens well via the remote computer?
Thanks for any help you can offer.

you can view both screens at once but it will be scaled to fit on the screen you have... so what you see is dependent on the resolution of both client monitors and your admin computer's monitor.
you can also select to view a single monitor of the client computer.
i've never run ARD admin on a computer with 2 monitors so i'm not sure how it handles it but i'm guessing that you can view both monitors on both admin monitors.... it'll probably scale down or up dependent on resolution.

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Run screensaver independently with dual monitors

I was wondering whether, when running OS X with dual monitors, it was possible to run the screensaver on one of the monitors (while still using the other)?
Cheers,
Diego

Nope. Can't do it.

Gnome Crashes on Login after messing with dual monitor settings

Gnome displays the sad monitor and has the error message "..something has gone wrong..~" and will force me to log out. I've only started to experience this after messing with dual monitor settings in nvidia. The dual setup(twinview) worked but once I rebooted, I couldn't get it going for awhile.
Here's my xorg.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 285.05.09 ([email protected]) Fri Sep 23 19:18:19 PDT 2011
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
#Option "TwinView" "True"
#Option "MetaModes" "nvidia-auto-select, nvidia-auto-select"
SubSection "Display"
Depth 24
EndSubSection
EndSection
I commented out below to get it in again, but it still feels shaky and unstable to log in now. Sometimes I will get the error and after a log out and login, it'll work.
#Option "TwinView" "True"
#Option "MetaModes" "nvidia-auto-select, nvidia-auto-select"
Extra Notes: I have another desktop session with awesome installed(uninstalled now) and could log into that no problem. Awesome was giving me troubles so I uninstalled it. I have 2 gnome desktop sessions, my regular gnome session(the one that crashes), and the other with no window manager(never crashed on startup).
I installed awesome around the same time as configuring the dual monitor setup.
Thanks.

Update.
The crashes are to be expected now. I'm circumventing the whole thing by logging into my other Gnome session without a window manager, logging out and then logging back into my regular Gnome with Metacity.
I've noticed the tty1 sessions(not sure what's it's called) is strange. Apparently my session runs on tty8 but when I try logging in, it'll crash me and tty7 gives me a blank screen with a blinking underscore. The other tty1s work regularly. Not sure if this has anything to do with it.
Is there a way to just reset the Gnome settings?

Need to launch Organizer Twice to work with Dual Monitors

If I open a project or either Photoshop Elements 10 or PRE10 and then click on Organizer it loads, but sits in the taskbar below. If I hover over it the AERO Windows (Win 7) pops up showing it's loaded. But It will not maximize. This is when I had last used it on a second monitor so I can easily compare before and afters. However, if I right click on it and close it, then reopen it, it launches perfectly in the 2nd monitor. Does this every time. I ussually leave it open all the time now to avoid this but I don't know how sesitive the catalogs are if the system is rebooted for some reason.
I did no specific configuration for dual monitors, Just dragged it over there when I wanted to use it.
Thanks,
Joe..

Hi Joe,
This is a known issue with dual monitors and got to know that Organizer people are tracking it as a bug for now.
Hope this will be fixed soon.
Thanks
andaleeb

[SOLVED] openbox margins with dual monitors

Hi community,
I have stumbled to a nasty problem on my first incursion to dual monitors in openbox.
I'm using xrandr with this command (which works just fine BTW):
xrandr --output LVDS --mode 1280x800 --primary --output VGA-0 --mode 1280x1024_60.00 --gamma 1.0:1.4:0.85 --right-of LVDS
and have set a Virtual screen in xorg.conf of 2560 x 1024 pixels.
But, my laptop monitor only handles 1280x800, while my external LCD monitor has 1280x1024, so there is a virtual area under my laptop screen which i'm not using, but i dont really care about that.
The problem is that when I'm setting screen margins, so that maximized windows will respect the panels in the bottom (tint2), in rc.xml (or by obconf) the margins are applied to the virtual screen and only are practical on the external monitor wich has more pixel height.
I'm really missing some kind of per monitor margin settings in openbox, maybe there is and i haven't found it? It makes me wonder because openbox can maximize windows to a single monitor, even if the whole layout it's treated like a virtual screen, so it has some way of distinguishing between them.
I would appreciate any suggestions, thanks.
Last edited by andreamer (2010-07-26 18:32:15)

TL;DR - I'm not aware of any acceptable solution at the moment.
Basically, what you're having problems with, is the "dead area." It can really be quite a pain in the butt if window managers or other screen aware applications don't anticipate it properly. To my knowledge, Openbox doesn't support margins on a monitor-by-monitor basis. In reality, you shouldn't need to be setting margins anyway. Tint2 should be reporting itself as a taskbar, and Openbox should be respecting that.
I have dead area too, with multiple monitors, and Openbox respects both of the KDE taskbars I have running (one on each monitor). (I use KDE and simply replaced Kwin with Openbox.) This tells me that tint2 should be able to cooperate with Openbox. I remember trying tint2 a while ago, and didn't fine it adequate in a dual monitor environment (it was probably a year ago or so). tint2 would need to be setting the _NET_WM_STRUT_PARTIAL hint, and I'm not sure if it is (or if it's doing it properly). See http://standards.freedesktop.org/wm-spe … #id2507618
Also, I do know that the developer for Openbox recently got a dual monitor setup, and she's been adding additional support for dual monitors a little at a time. Hopefully with 3.5, there will be a lot more support. (Margin support for multiple monitors would be great, because it could be a good utility knife for applications that don't care about multi-monitors setups and don't set the proper hints.)
If you're capable of modifying tint2, my course of action would be to try something that works (like the KDE taskbars) and record the hints being set there. Then compare them with tint2 and try to mirror KDE's setup. (If you're a programming lacking experience with X and related nonsense, I'd be more than willing to offer what guidance I have.)
Also, I developed a panel myself (and got pretty far along) using the PyGTK toolkit... But I can't remember if I solved this problem or not. I'll try to check it out and get back to you. (I got as far as implementing a widget system that includes a task list, system tray, clock, menus... It just isn't polished very well. My original intention was for it to be a more robust PyPanel with dual monitor support.)
Last edited by BurntSushi (2010-07-24 22:46:23)

Unwanted keyboard shortcut with dual monitors

Problem:
I have a computer setup with dual monitors (desktop extended). When I have a window open, e.g., Microsoft Word 2007, after I type "1" on the keyboard, the Word Window and mouse relocate to the second monitor. When I type "2" the Word window and mouse relocate
to the main monitor. In the word document, 1 and 2 are typed in the document, but pushing the keys still move the window and mouse to the opposing monitor.
I checked the keyboard settings within Windows and found that sticky keys and such are not enabled. The keyboard has no such features to enable. I also checked the display setup in display properties and found nothing that would indicate such a setup. Google
searches return nothing related to my problem.
What I do know:
-The rest of the numbers on the keyboard work fine. Pressing 1 and 2 on the number pad at the far right of the keyboard do not transfer the active window to the second monitor. Those keys work fine.
-The type of window does not matter. Using notepad, word, excel, internet explorer, sticky notes; all of those windows would transfer to the opposing monitor when I push 1 and 2.
Setup:
Windows XP
Dual-Monitor
Wireless Keyboard and mouse

This pertains to StarTech DVI to USB adapters.
There's an icon in your system tray near the clock, either super utility or usb display device. Right click, and select multi display control panel.
10:20:14 AM
There's a button to disable as long as you have the newer driver from their website. The old drivers had a bug that caused this button to not work

Visualise Spots with dual monitors

I'm finding some eratic behaviour when using Visualise Spots with dual monitors.
I have Development open on one window and the Loupe view open on the other. When I click on the Visualise Spots both windows show the visualisation. When I click the button off - both windows switch to normal view - most of the time.
Occasionally it will switch off in the Development view but stay on the Loupe view on the second monitor. It only goes away when I switch to another image.
Is anyone else seeing this behaviour?
Roy

I have found that's it's linked to zoom level.
I can't quite make out what's going on but the behaviour is very strange.
Roy

Mac and Windows with dual monitors Question

I use a Intel MacPro running Tiger with latest updates in my church. We use the Mac and Keynote 2.0.2 to present PowerPoint slides on the big screen (dual outputs). Everything was going well until the pastors upgraded to new computers running Vista and Office 2007. Now neither pastor's files will load into Keynote. It comes up with an error. The pastors have saved their files from PP as 2003 PPT files, and they still will not open. Error - unable to open file type. The one pastor went back to XP (dumped Vista) but still used the Office 2007 program and saved as PP2003, but the error still appears.
FYI - I noticed that Office 2007 saves with a file with the extension of .pptx instead of the .ppt. Checking the file they gave me shows that it is indead a .ppt file and not .pptx file. It makes no difference.
I believe it is an Office 2007 problem I'm dealing with. I have taken the .ppt file and loaded it onto the PC running PP 2003 and it loads fine, except for some format problems. I then resave it with a different name and tried to load that file (hoping it was converted) , with the same error showing. The problem is transfered with the file. Other files created with the PP 2003 program load fine into Keynote, so it has to be the Office2007 doing something.
So the questions are, is there an easy fix and still use the Keynote program, OR does Keynote 3 take care of this problem in the upgrade, OR should I install Win XP home or Pro and use parallels (which I have)? Would WinXP Home be enough to support the dual outputs and be fast enough? I am familiar with XP Pro not Home.
Any information you may have, could be a help. I need this resolved soon. I hate having to bring in the old Windows PC, after enjoying the quality of the Mac.

David.Austin.Allen wrote:
You should not have issues attaching two displays to the Mac mini. You will not be able to use an iPad as one of those displays.
I have no issues streaming video on demand from all of the media sources which you have listed. My Mac mini is the Early '09, so my hardware is not as powerful as the newest Mac mini.
Dah•veed
Thanks David - glad to here the Mini supports dual monitors, and you're not having any streaming issues. Did you have any special settings, like "no hardware acceleration"? Are you streaming HD content?
If it supports dual monitors, then I would think the iPad could be used as a second display and input device - the demos I've seen with Air Display (from Avatron Software") would accomplish what I'm looking for. Here is a demo at http://www.vimeo.com/16950420 showing the iPad working with a Windows machine, but I've seen them working with Macs as well.
Thanks again
Michael

ARD and controlling box with dual monitors!

My workstation at home has dual monitors,
when I connect to it with ARD both monitors are displayed, which means the window looks very wide, small and funny.
You can hardly see anything either.
(they are both highres)
I only need to see one monitor when I connect with ARD. Is there anyway I can get that working?

You can set ARD to view all screens at once or at real screen resolution. Click the 'Fit Screen in Window' icon (looks like an X with arrow points and a diamond in the middle).
I have had some issues with my Multi-screen machines colors displaying oddly while in 'Fit Screen in Window' mode, but turning it off fixes the issue and lets you auto scroll around like virtual Desktop.
Hope that helps.

MSI NX8600GT-T2D256E OC/D3 with Dual Monitors

Hi Team
I am new in this forum please forgive me if I have break any rule (as I was not sure if to post this direct or search for FAQs)
I got the above Graphics card in my Vista 64 bit dual core machine, which was workling fine since more than 3 years. But recently i purchased Sony Bravia 46 inched full HD TV, and have plugged to my system as second monitor to watch movies and so using DVI to HDMI cable to one of HDMI slot on TV. I am using the Left DVI (when facing towards rear of the VGA card) slot to TV and Right one to my 22 inches existing LCD Monitor.
After each reboot I will have to select the resolution to Sony 1080p Native from the NVidia control panel along with HD input Audio enabled with 60Hz. Bye the way I haven't received SPDIF cable though, but I don't care as My PC is sitting next to TV and I have very good PC speakers. Anyway when i reboot the PC the BIOS screen appears on the TV and then the rest of the process happens on the standard monitor. then both monitor and TV seems normal, with all desktop icons on the Monitor with my chosen screen background, and same screen background on TV but without any desktop icons. The key thing is the display size on the TV displays only in the middle of the TV with diagonal size of about 40 inches diagonal roughly, and in order to bring this normal I adjust the TV resolution to native. Today at one stage I lost the colors on the main LCD monitor turns in to monochrome. Then system restore fixed the issue.
So my question is, is this normal?
Am I missing anything here?
Do I need to update the hardware/software, if so which model/version will support.

"Can you suggest any software program which would test the psu?"
You can't test PSU with software, but only with PSU replacement. Probably your cheap PSU is defective or weak.
Also read the links:
Quote from: BOSSKILLER on 30-July-08, 22:39:56
>>> PSU's---2 x 12v---The Dual Rail Myth <<<
>>> Is your problem caused by your PSU? <<<
For good PSU suggestions:
https://forum-en.msi.com/index.php?topic=112039.msg836246#msg836246

Screen Sharing problem with dual monitors in 10.6

When I'm using Screen Sharing from my Macbook to my iMac with dual displays (10.6.1 on both machines) It works fine when I initially connect, but when I switch to Display 1, it shows me Display 1, but though my cursor moves, I can't click on anything. It won't let me go back to viewing both displays either, and changing from Adaptive to Full Quality or vice-versa makes no difference, as does Scaling. This happens whether I'm on my local network or using Back-to-my-Mac. It was working fine under Leopard, but has been exhibiting this behavior since the 10.6 upgrade.
Mark

This is a very irritating bug. One thing that has worked for me a couple of times (I think a couple of times it also didn't work) is to turn on mirroring. Screen sharing then only shows one monitor, since they are both the same. I'm not sure if the monitors have to have the same resolution for this to work, mine do. The nice thing about this is that before quitting the screen sharing app you can just turn mirroring off again and it will go back to normal. It's easiest to do this by enabling the 'show displays in menu bar' in your displays preferences.

Screensaver issue with dual monitors

My screensaver has recently started acting up. It's sort of a minor blip, but it worked before and now it won't. Here's the issue: I have dual monitors (Intel imac, running Leopard, with a Viewsonic 20" lcd running in extended desktop mode). I use a "smart" album from iphoto as a screensaver (iphoto 08, v7.1.5). I've been using this particular smart album for several months as my screensaver and it's worked fine. How it used to work: when the screensaver activates (either by time or by hot corner) both screens would draw photos from this album and randomly scroll, zoom, and fade them across each monitor, independently but simultaneously. It's worked like this flawlessly for years, with several different iphoto albums. Now, I just noticed that the second monitor does not find the pictures. A message on screen "looking for pictures" appears on both monitors, as normal, but instead of both monitors going to screensaver, only the imac starts, and the message "looking for pictures" stays on the other. What's weird is that if I run the screensaver in test mode, it works like it used to (both screens work independently and simultaneously). And if I switch to one of Apple's supplied screensavers, both screens work as well. But any iphoto album no longer works properly. I don't understand what has changed. I just recently ran an upgrade (Software Upgrade, a week or so ago) but it seems like it worked normally since then, and I don't believe the upgrade was a major one or had anything to do with iphoto. I just noticed this problem today. I've tried restarting the machine. Same issue. Any ideas what could be causing this minor, yet annoying, glitch.

I had this same problem arise after installing an iPhoto update in late January. I contacted AppleCare and the problem was escalated to a Product Specialist. The Product Specialist contacted Apple Engineering and Engineering 1) replicated the problem and 2) confirmed that it's a bug.
So, Apple is aware they have a bug and we look forward to a bug fix -- at some point in the future. I hoped the problem would be fixed with the next iPhoto update but a major update came out today and the problem remains. I don't know if there's any way to know whether the problem is an OS bug or an iPhoto bug but either way we have to wait until it reaches the top of the pile at Apple...

Why is my bookmark properties dialog so large on a dual monitor machine?

I am not sure if this is related to having dual monitors or not, but on my machine, when I open the properties dialog for a bookmark, it spans across monitors and the dialog is huge.
How do I shrink this back down to the original size?
I will be attaching the image as a reply to this post, if possible.
Thanks in advance,
Joe

'''Try the Firefox SafeMode''' to see how it works there. 
''A troubleshooting mode, which disables most Add-ons.'' 
[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode#w_safe-mode-window_2 Troubleshoot Firefox issues using Firefox SafeMode]
When in Safe Mode... 
* The status of plug-ins is not affected.
* Custom preferences are not affected.
* All extensions are disabled.
* The default theme is used, without a persona.
* userChrome.css and userContent.css are ignored.
* The default toolbar layout is used.
* The JIT Javascript compiler is disabled.
* Hardware acceleration is disabled.
* You can open the Firefox 15.0+ SafeMode by holding the '''Shft''' key when you use the Firefox desktop or Start menu shortcut.
* Or use the Help menu item, click on '''Restart with Add-ons Disabled...''' while Firefox is running. 
''Don't select anything right now, just use "Continue in SafeMode."''
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before using the Firefox shortcut (without the Shft key) to open it again.''
'''''If it is good in the Firefox SafeMode''''', your problem is probably caused by an extension, and you need to figure out which one. 
http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes
''When you figure out what is causing that, please let us know. It might help other user's who have that problem.''

[SOLVED] Help with dual monitors (second monitor won't wake up)

Hi. I'm trying to set up dual monitors, but I can't seem to get it to work.
I've got an ASUS P8H67-M EVO motherboard, and I'm using the xf86-video-intel driver. I'm using one VGA and one HDMI.
xrandr gives this
xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 32767 x 32767
VGA1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm x 296mm
1680x1050 60.0*+ 74.9
1600x1000 60.0
1280x1024 75.0 72.0 60.0
1440x900 75.0 59.9
1152x864 75.0
1024x768 75.1 70.1 60.0
800x600 72.2 75.0 60.3
640x480 72.8 75.0 66.7 60.0
720x400 70.1
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
1920x1080 60.0*+ 50.0 60.0
1920x1080i 50.0 60.1
1680x1050 59.9
1600x900 60.0
1280x1024 75.0 60.0
1280x960 60.0
1152x864 75.0
1280x720 50.0 60.0
1152x720 60.0
1440x576i 50.1
1024x768 75.1 60.0
1440x480i 60.1
832x624 74.6
800x600 75.0 60.3
720x576 50.0
720x480 59.9
640x480 75.0 60.0 59.9
720x400 70.1
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
So it looks to me like both displays are being detected. The geometry looks such that one display is on top of the other, but I can change that using an xorg.conf.d config file (e.g. https://wiki.archlinux.org/index.php/Mu … xorg.conf). I also tried using arandr.
The real problem is that the display on HDMI3 just isn't "waking up". The power is on, but it just sits there in sleep mode.
Any help would be great. I might just be missing something simple. Thanks.
Edit: I just saw a short list of window managers near the bottom of the Arch Multihead page (https://wiki.archlinux.org/index.php/Mu … _xorg.conf). I don't see openbox on that list. Does that mean I'm SOL if I want to use openbox with multiple monitors? This page seems to imply that it should work fine with openbox http://magnatecha.com/dual-monitors-wit … nd-xrandr/.
Last edited by Pacopag (2013-08-19 18:58:36)

I use XFCE, and when I boot my computer I just run:
xrandr --output DVI-I-1 --auto --output DVI-I-2 --auto --left-of DVI-I-1
I'm assuming if you modify the names appropriately that it'll work too. I have had issues before trying to run dual monitors without taking both outputs off of a single video card (which is what I'm doing now). For example, I had a graphics card with one (VGA) output and a VGA output on my motherboard. But, connecting the graphics card disabled the on-board VGA. So it is possible (I'm not an expert here) that two displays coming off the motherboard may not work for hardware reasons.

Lync 2013, text does not display in chat box. Windows 7 pc with dual monitors.

Has anyone experienced an issue with Lync 2013 where when someone sends a chat the text doesn't display in the chat box. Or on occasion when initiating a chat, the text typed in doesn't display? The person experiencing this
behavior has dual monitors and often times when she is working on a document - then goes to Lync and initiates a chat and types, the words do not display in the chat box. Her graphics drivers are current, (8.15.10.2869). At one point she was able to drag the
chat box over to the monitor on the left and then the text displayed. Since then she has received a brand new laptop, windows 7 and the Lync behavior continues but now her dragging the chat box to other monitor no longer resolve text display issue. Ideas?

Hi,
Did the issue happen if only use single monitor?
Please update to the latest version for Lync client 2013 and then test again.
Best Regards,
Eason Huang
Eason Huang
TechNet Community Support

Interfacing with dual-monitor machine

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