How to keep slideshow on one screen in a dual monitor setup

The slideshow shows on my laptop screen which is fine, but iPhoto '09 commandeers my external monitor as well, making it black/blank and unusable during the slide show. How can I continue to work and use my external monitor while playing a slideshow on my laptop screen?

iPhoto doesn't support dual screens. Send a feature request to http://www.apple.com/feedback/iphoto.html.

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[AwesomeWM] Applications locked to one screen in a dual monitor setup

Perhaps the title should be "Multiple Screens with multiple video cards." I imagine my confusion here is the reason I am unable to move clients from one screen to the other in awesome. Though the cursor moves fluidly between Screen1 and 2, MOD4+drag traps the cursor and the client on the current screen. MOD4+o brings the cursor to the upper left corner of the current screen. Openbox and fluxbox are similarly limited.
With my Xorg.conf I have $DISPLAY as :0.0 or :0.1 depending on which screen the terminal is open.
The closest I've come to a solution is xpra from the parti-all aur package. But, I haven't found a way to make it useful. I'm hoping there is an alternative configuration. Maybe something like xinerama or Zaphod?
I'd like to use xrandr but it seems thats a no go for multiple boards as of the the previous version. I cannot find documentation for 1.3.
http://wiki.debian.org/XStrikeForce/HowToRandR12 wrote:VI.5. Multi-board support broken - RandR 1.2 does not support multiple boards yet (it's planned for RandR 1.3). It means that any RandR 1.2 aware driver will crash the server if you have 2 boards. Even one board with a RandR 1.2 driver and another board with a classic driver does not work. It just crashes the X server.
Any ideas?
> grep -v "^\s*#" /etc/X11/xorg.conf|grep -v ^$ |xclip wrote:Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "glx"
Load "dri2"
Load "extmod"
Load "dbe"
Load "dri"
Load "record"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option    "Protocol" "auto"
Option    "Device" "/dev/input/mice"
Option    "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
Identifier "Card0"
Driver "nv"
VendorName "nVidia Corporation"
BoardName "NV25 [GeForce4 Ti 4200]"
BusID "PCI:3:0:0"
EndSection
Section "Device"
Identifier "Card1"
Driver "radeon"
VendorName "ATI Technologies Inc"
BoardName "Radeon RV100 QY [Radeon 7000/VE]"
BusID "PCI:1:7:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Card1"
Monitor "Monitor1"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection

Err. My confusion is indeed the culprit. For anyone who might find themselves in a similar situation the nomenclature is as follows.
"Zaphod mode" on wikipedia is listed as a multi-seat configuration, however, I think it more often describes the set up in my posted xorg.conf. That is, the server has two independent screens associated with their respective device. Titling window managers seem to present multiple screens a la Zaphod. At least in awesome, each screen has its own set of tags. Xinerama is a soon to be deprecated extension merging multiple physical displays into a singular virtual one. It will be replaced with RandR. But, as of the current version of RandR, multi-board setups are not supported.
ATI and nVidia have proprietary implementations for multi-head configurations (Big Desktop and Twinview respectively). I assumed both cards would have to be same brand and either ATI or nv. So, I didn't look into this.
By the nature of Zaphod mode, applications exist only on one screen. They cannot easily be moved. Because the Xinerama extension implements one large virtual display, X clients can be displayed anywhere. This is apparently at the cost of direct rendering on both screens. Xinerama is also limited in that all screens have to have the same depth.
Having the Zaphod mode xorg config, enabling Xinerama just requires one line in the ServerLayout section:
Section "ServerLayout"
Option "Xinerama" "on"
However, if the resolution differs on the screens, screens with lower resolutions will have "dead space" where the rectangle of the virtual resolution is not displayed by the physical resolution of a screen. Moving the cursor into this area will pan the screen to show the previously hidden area and hiding what was previously visible. This means an application fullscreened on the screen with the lower resolution will never be completely visible.
To enforce physical resolutions in the virtual screen also only requires one line. In the display subsection of the lower resolution screen section, setting the virtual display to the same as the mode will remove the dead area.
Section "Screen"
Identifier "Screen1"
SubSection "Display"
Modes "1280x1024"
Virtual 1280 1024
EndSubSection
Please reply if I've gotten anything wrong!
Last edited by _will (2009-10-07 22:08:19)

My mouse pointer is stuck on one screen of a dual monitor set up.

I recently did a fresh install of lion on my mac, the dual monitors were working on Snow Leopard, but no longer.
Whilst I can see both screens, I cannot move my mouse from one to the other. Nor can I drag windows across the screens.
Help!
Mark

have you tried all the edges? you may need to reconfigure your monitors arrangement. to do so go to system preferences displays and then choose arrangement. Then you'll be able to see how the computer thinks you have them and adjust it to the way you want them. Make sure you dont have mirroring on as well (being thorough).
Hope this helps you.

Both the screen flickering after dual monitor setup in Premiere Pro CS6

Hello,
I recently installed Premiere Pro CS6 in my PC. Then after I set up dual monitor in the Preference, the screens of both the monitor started to flicker until I stop the playback. Previously I used same hardware with CS5 but there were no problem.
Link to dxdiag text file :
https://dl.dropbox.com/u/53681371/DxDiag.txt
I have attached the screenshots of msinfo32 and my graphics drive info.

Some ideas for a Desktop Video Editing PC
http://www.adkvideoediting.com/
-ADK Kudos http://forums.adobe.com/thread/877201
Build http://forums.adobe.com/thread/878520?tstart=0
-more build ideas http://ppbm6.com/Planning.html
-Build it Yourself http://forums.adobe.com/thread/815798
-http://www.shawnlam.ca/2012/premiere-pro-cs6-video-editing-computer-build/
Laptop Video Editing PC http://forums.adobe.com/message/4578948

X11 on a single screen in a dual monitor setup

Same problem as posed here: http://discussions.info.apple.com/message.jspa?messageID=2260647&tstart=0
I was excited when I read the following:
I fiddled with Apple's X11, which I'd installed on my Desktop, to no avail. Nowhere could I disable the screen-spanning behavior. On a hunch, I decided to try out XDarwin, however, and lo and behold --- a checkbox for enabling/disabling Xinerama! In addition, XDarwin seems to be better behaved than Apple's X11 when it comes to correctly sourcing some of my $HOME/.X* configuration files (e.g., I always had to run xmodmap ~/.Xmodmap manually under X11, even after putting the command in my .xinitrc).
I only ever use Xquartz(currently XQuartz 2.6.0 (xorg-server 1.9.3)) which is Xdarwin now. But I do not see the mentioned checkbox for enabling/disabling Xinerama.
Which sounds exactly like what I want to do. I want to have my macbook air(mba) to display full screen Xquartz on external 27" Dell monitor only. On the macbook screen I want to show the OSX desktop with open applications not blacked out by X11.
Any pointers to this checkbox's location would be great. Or any other way to configure this setup would also be good.
I'm not looking for solutions that keep the laptop monitor off in any way as I have seen suggested many times. This is because I want to use it to view state of other OS X apps on the macbook screen while working in full screen X session on the external monitor.
The xnest solution sounds inferior for the same reasons pointed out by Michael C. Lee in the post I mentioned above.

Hi Andy,
I really appreciate your help!
I believe you're correct in that I wouldn't be able to start the X server and have it only produce output on one of my monitors, as they are necessarily part of a single "display" (in OS X, at least). Barring that, however, I wanted to be able to at least keep X11 from creating a single screen that spanned both my monitors (the problem with this is that it doesn't recognize the separate monitor geometries, so large chunks of the virtual spanning screen were inaccessible, and it also made dealing with X apps that are none dual-head friendly a pain). On my linux machine, I was able to get this behavior by default (i.e., separate screens named '.0 and .1' under a single X display), and could get monitor spanning only after enabling the Xinerama extension.
I fiddled with Apple's X11, which I'd installed on my Desktop, to no avail. Nowhere could I disable the screen-spanning behavior. On a hunch, I decided to try out XDarwin, however, and lo and behold --- a checkbox for enabling/disabling Xinerama! In addition, XDarwin seems to be better behaved than Apple's X11 when it comes to correctly sourcing some of my $HOME/.X* configuration files (e.g., I always had to run xmodmap ~/.Xmodmap manually under X11, even after putting the command in my .xinitrc).
Anyway, that basically gave me what I needed, so I'm a happy camper. Just thought I'd post this in the unlikely event that someone else is in the same situation. Oh, and if you're curious, the reason I needed to do this in the first place was because I wanted to run the ratpoison windows manager fullscreen --- great for dealing with ADD!

How do I play a video in full-screen mode on one screen of a dual-screen Windows 7 system without blanking out the other screen?

How do I play a video in full-screen mode on one screen of a dual-screen Windows 7 system without blanking out the other screen? Not losing the other screen would be useful as I would like to, for example, monitor my emails whilst watching a video or to work on a project whilst watching an instructional video.
Note : Resizing a window to fill the screen is not acceptable as it still leaves unsightly borders.

bump

HOW TO KEEP PUSHBUTTON IN OUTPUT SCREEN(ALV)

HOW TO KEEP PUSHBUTTON IN OUTPUT SCREEN ( ALV FORMAT)

Hi,
At selection screen use this below code:
Eg:
*SELECTION-SCREEN FUNCTION KEY 1. "Adds button to application toolbar
Declaration of sel screen buttons
selection-screen begin of line.
selection-screen pushbutton (20) w_button user-command but1.
selection-screen pushbutton (25) w_but2 user-command but2.
selection-screen end of line.
Madhu
Pls reward me if it is useful

Dual-monitor setup + screen rotation

Hello, I want to use my desktop computer with a dual-monitor setup. I have connected both monitors successfully, but problems arise after this point.
The first problem is that they both just display the same screen and that xrandr only detects one screen called "Screen 0". I can change the screen resolution with it, so at least it sees things correctly, but I don't know how to extend my screen area to a new desktop. Not sure if this is relevant, but they're both monitors of the same model.
output of xrandr wrote:[user@archbang ~]$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1600 x 1200, maximum 1600 x 1200
default connected 1600x1200+0+0 0mm x 0mm
1600x1200 0.0*
1280x1024 0.0
1024x768 0.0
800x600 0.0
640x480 0.0
The second problem is that I can't rotate my screen (I want this because it has pivot functionality). I'm using the xf86-video-ati driver.
output of xrandr -o left wrote:[user@archbang ~]$ xrandr -o left
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 149 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
I hope I've provided enough information. Thanks in advance.
Last edited by Ffeiofewpoj (2012-01-28 08:03:04)

I meant to post this in the Kernel & Hardware section and I've no clue how it ended up here. Sorry for that. Could someone move it?
Last edited by Ffeiofewpoj (2012-01-27 13:25:01)

I have 12 core with Quatro 4000 and 5770, I want to use dual monitor setup, monitors are NEC with Spectraview-II. How do I connect? 4000 only has 1 Display Port and 1 DVI. 5770 has 2 of each, if I use both 5770 Display Ports, does the 4000 contribute?

I just bought a 12 core with Quatro 4000 and 5770, I want to use dual monitor setup, monitors are NEC with Spectraview-II. How do I connect? 4000 only has 1 Display Port and 1 DVI. 5770 has 2 of each, if I use both 5770 Display Ports, does the 4000 contribute any work at all? I read where on a PC they would work together, but on a MAC they do not.
I read that Display Port has higher band width than DVI, NEC monitors for best performance they recommend using DIsplay Port.
When I was setting this up I looked at a Nvidia Quadro 4000, unfortunately it was for PC, it had 2 Display Ports, in the Mac version they reduce it to one. I did not think there could be a difference.
Mainly want to use it for CS6 and LR4.
How to proceed???
I do not want to use the Quadro 4000 for both, that would not optimize both monitors, one DP and 1 DVI. Using just the 5770 would work but I do not think the 4000 would be doing anything, and the 5770 has been replaced by the 5870.more bandwidth.
Any ideas, I am a Mac newbie, have not ever tried a Mac Pro, just bought off ebay and now I have these problems.
As a last resort I could sell both and get a 5870. That would work, I'm sure of that, it's just that I wanted the better graphics card.
Thanks,
Bill

The Hatter,
I am a novice at Mac so I read all I can. From what I understand the NEC monitors I bought require Display Port for their maximum performance. The GTX 680 only has DVI outputs. Difference from what I understand is larger bandwidth with the DP.
You said I have the 4000 for CUDA. I am not all that familiar with CUDA and when I do read about it I do not understand it.
A concern I have is, that if I connect the 2 high end NEC monitors via the 5770, using it's 2 Display Ports I would have nothing connected to the 4000. Is the 4000 doing anything with nothing connected? I read where in a PC system the 2 cards would interact but in a Mac system they do not.
Bottom line, as I see it, the 4000 will not be useful at all to me, since I want a dual monitor set-up.
So far the 5870 seems the best choice, higher band width than the 5770, and it has 2 Display Ports to optimize the NEC monitors.
I'm not sure how fine I am splitting hairs, nor do I know how important those hairs are. I am just trying to set up a really fast reliable system that will mainly be used for CS6 and LR4. Those NEC monitors are supposed to be top notch.

I have a dual monitor setup. When I paste develop settings from one image to another, Lightroom switches the active window.

Strange problem. Lightroom 5.5. Windows 8.1. Dual monitor setup.
I'm processing a large batch of photos. I have Monitor #1 set as my main develop window, with Monitor #2 set only to display a larger version of the image I'm working with. If I copy the develop settings off of one image and try to paste them onto another image, Lightroom will switch from Monitor #1 to Monitor #2 as the main develop window, and will not display anything on Monitor #1.
If I then try to paste develop settings onto another image on Monitor #2, LR will then display a larger version of the image I'm working with on Monitor #1.
To work the way I want to, I have to continually drag my develop window back to Monitor #1 every time I try to paste develop settings onto a new image. How can I make this stop?

I just tried what I think you’re saying you’re doing and I don’t have the problem with LR 5.5 on Windows 7 SP 2.
Does the same thing happen whether you use the key shortcuts vs the Settings / Copy/Paste options on the menu?
I ask this because if you’re using the keyboard shortcuts, maybe you have some display-manager program that has bound itself to the Ctrl-Shift-V (paste settings) to the function of move-to-other-monitor which would do at least part of what you describe.
You can also test this theory by doing a Ctrl-Shift-V with an application other than LR as the active window and see if it moves. I suppose Ctrl-Shift-C might also play into it so try both of these hot-key combinations with a program that isn’t LR.
If none of this sheds any light on the situation, then give a more detailed description of the low-level functions you’re doing to accomplish the copy-paste of settings, so someone else could replicate the steps exactly.
Specific detailed steps, like:
left-click on source photo’s thumbnail in the filmstrip
press Ctrl-Shift-C to copy the settings
click Check-None
enable the white-balance and calibration checkboxes
click Ok
left-click on destination photo's thumbnail in the filmstrip
click on Settings / Paste Settings in LR’s menus to paste the settings to the selected photo

How do I move an entire app to a dual monitor? Not just a window?

How do I move an entire app to a dual monitor? Not just a window? I can drag single windows, but if I move a window to the second monitor and hit a button, like 'New', that opens a new window, then it opens the window in the first monitor. I want it to open in the second monitor instead.

Right. Mail remembers as well. I have the menubar set on my larger display, and the main Mail window on the MBP display. When I create a new message, it displays the composition window on whichever display I used the last time for composition. So after the first time I moved the composition window to the larger display, it always opens on that display. I can't remember if it remembers that behavior after taking the MBP on the road, where I use only its display, and then reconnect the second display back at home.
Mark

How to move apps from one screen to the next?

In order to organize a bit the screens after installing several apps, how can we move them from one screen to the next?
I've found it possible to place them in the lower bar and then replace them into the required screen but that's very slow...
Any other way?
Also, is it possible to place the apps where we want and not get them automatically reorganized (blanks filled)?
Thanks,

Sorry I guess the correct terminology would be 'virtual desktops'.
You pass from one virtual desktop to another swiping left or right on the phone.
I would like to switch conveniently an app (icon) from one virtual desktop to another.

How to keep Flash in Full Screen on Dual Monitors

Hi,
I have a simple question. What should I do, to make my application (written in Flex SDK 4.5.1) staying in Full screen when I work in 2nd monitor - like Youtube and Euronews player (http://www.euronews.com/news/streaming-live/) ?
I don't know, how should I embed my application correct or add something to source code to make it work? My application is working correct in Full screen mode, I can use keyboard etc. but I'm not able to make this working - it's always going back to normal when it loose focus.
I have read many topics on this forum and internet, so I'm not interested in solutions like: http://flash-full-screen-multiple-monitor.clangen.com/en/ or .dll tricks like http://lifehacker.com/5419028/keep-flash-videos-in-full-screen-on-dual-monitors
If Youtube and Euronews is working with normal Flash (my current 11.9.900.117) there must be a way?
If someone can type code examples (like for a total dummy ), it will be great.
Thank you.

You'd want to ask in the Flex forum or Flash Professional forum, since you CANNOT edit ANY Flash content with Flash Player.

How to move tabs from one screen to another?

Just started to group tabs. How can I move tabs from one screen to another to consolidate them into the groups?

See Tab Groups (new in Fx4) (Panorama) [http://support.mozilla.com/en-US/kb/what-are-tab-groups What are Tab Groups] (video included)
From one Window to another Window, by drag & drop
 Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.

How to switch off internal macbook screen when using external monitor(s)

as far as i observed, adding external displays ( running different screens on them, not mirroring) to a macbook pro increases the gpu workload and with that comes temperature rise in the laptop and increase in ventilator noise - and probably increased hardware aging and risk of component faillure due to high temperature inside the laptop.
simply try connecting two external 27" screens and open some flash video on both of them. then run a temperature monitoring software and watch temps rise, compared to running same flash videos / demanding tasks only on one connected external screen or only on the laptop screen with no external monitor connected.
especially in mavericks, due to its increased background routines, such a set-up appears ever the more taxing, then again who does not love apple`s nice adds showing laptops with two 27” screens connected to it and the workspace vision they invoke....
i have seen temps around 100° to 102° celsius on a 13" macbook pro 2012 edition, which i would expect is territory where the cpu / gpu temp safety switches will trigger system shutdown any time soon ( hardware status before verified as fully in order by apple service and default osx installation)
imagine your anti-virus software starting some realtime content screening while runnign some demanding tasks already and the system shuts down easily (all such situation observed in reality)
(would be interesting to see how a retina display macbook fares with 2 external monitors running demanding tasks, considering the retina display already increased taxing for the gpu - any experience from users of such a setup would be very much appreciated as it will provide critical purchase decision intelligence for all of us envisioning a retina-book and two big screens adoring our desks...)
turning down the macbook`s built-in screen`s backlight may reduce power consumption but i have not seen any evidence that it switches off the gpu-to-screen feed and respective gpu load - it certainly did not prevent gpu, cpu, board, etc temps to rise to borderline levels.
so the key question here is, how to switch off the macbook pro`s built-in screen in order to avoid gpu cycles being wasted on that screen ( and the resulting heat developments) when working with big external screen(s) connected to the laptop ?

this thread talks about running several monitors as advertised by apple and running demanding task on them.
with the lid open, the keyboard offers a very efficiant heat escape vector, which is blocked when the lid is closed - this is a basic and commonsense insulation effect. this thread also mentions the use of temperature monitoring software and thus a repeatable test setup. the temps recorded were also mentioned. they rose when the lid was closed, the running task remaining unchanged. as far as i could track down the cpus in discussion will shut down around the 105 degree celsius range. i observed system shut downs when the system approached 103° celsius. not to mention that the fans will run loud well before that.
again this is on hardware checked and ok-ed by apple service.
the question still welcoming an expert answer: is there any way to switch off the built-in macbook monitor while the lid is open ?

How to keep slideshow on one screen in a dual monitor setup

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