Extended Desktop resolution?

Extended desktop is supported for the first time on an iMac. This brings the iMac into a whole new realm. I wonder what the max resolution is for the external display?

Sorry about this question, but what size LCD TV can you put on a Intel iMac? The LCD TV I am planing to get with the iMac has 1366 x 768 resolution at 23" and 26". Can you buy a 26" LCD TV to use with the iMac? I don't understand this resolution thing? I think LCD TV is different from LCD computer display?
Sorry about my first post on this forum. I did not see this one.
Thanks for any of your help!
12" PowerBook G4 1.5 Mac OS X (10.4.4)

Similar Messages

Get higher resolutions for extended desktop

We have a new iMac. We also have an older Apple Cinema HD display monitor that we're using with the iMac as an extended desktop. On the iMac, we're using 2560 x 1440 resolution; but the highest resolution we can get on the Cinema HD is only 1280 x 800. Does anyone know how we can get higher resolutions on our Cinema HD display monitor?

I've been looking for a way to have the screen resolution change for different Apps too. I can't find anything in Automator, but I hope there is a way.. Like you, I like my editing programs to be higher resolution and my finder, email and the rest to have a lower resolution.

Extended desktop lows resolution

Hi all.
First of all i would like to thank you for helping people like me to solve their problems all around the world.
Did someone experiencied this?
I couldn`t set an 85HZ when my resolution was at 1024 * 768 and 32bits color quality. So I tried doing everything I find in this forum and in the nforcershq forum... nothing seemed to work... and finally........ in one try of uninstalling and installing de nvdia drivers, I uninstall the second monitor listed in the device manager, so when I went to the display properties I didn`t have the second display active(Extend Desktop in this device) and 1024*768*32bit*85hz AVAILABLE. There was the simple answer, when activating the second device(TV in my case)the first device(monitor SyncMaster753DFX)refresh rate lowed from 85HZ to 60HZ with no other choices.. the only thing I could do was to turn to 16 bits color Quality to get back the 85Hz rate.
Does someone understand what is happening?
Does anyone know if its possible to correct this situation?
Tanks in advance.
I have a K7N2G-L and 512DDR266PC2100(spectek) in slot 3, XP SP1

if i understand correctly, yes this did happen to me. i believe this happened when i installed the gpu drivers from the msi site. my refresh was stuck at 60hz. i was able to solve it by changing from -clone- to -standard- in display props. now use nvidia unified drivers with no above problem.

I'm guessing that my Powermac G5 Quad running 10.4.11 does support extended desktop. My present monitor is a 1600x1200. Can a second monitor of smaller size and lower resolution work as an extended desktop?

I'm guessing that my Powermac G5 Quad running 10.4.11 does support extended desktop. My present monitor is a 1600x1200. Can a second monitor of smaller size and lower resolution work as an extended desktop?

It should easily.
Power Mac G5: Display Compatibility
http://support.apple.com/kb/HT2707?viewlocale=en_US
Display Support:
Dual Displays*
Resolution Support:
2560x1600
Details:
Apple advertised that this system can support "two Apple flat-panel displays for each graphics card installed". The default graphics card can support "up to 2560 by 1600 pixels" with the dual-link DVI port and "up to 1920 by 1200 pixels" with the single-link DVI port. It also can support analog resolutions "up to 2048 by 1536 pixels".
http://www.everymac.com/systems/apple/powermac_g5/stats/powermac_g5_quad_2.5.htm l
"Quad Core" (2.5)
Video Card:
GeForce 6600
VRAM:
256 MB
Primary Max Resolution:
2560x1600
Secondary Max Resolution:
1920x1200
Display Connectors:
1 dual-link DVI
1 single-link DVI
http://www.everymac.com/systems/apple/powermac_g5/faq/powermac-g5-adc-ports-dvi- ports-resolutions-supported.html

Mac Mini (mid-2011) dual display with extended desktop

Can Mac Mini (mid-2011) dual display different picture on HDMI TV and DVI monitor. I can only get it to mirror and not display different programs or extended desktop. Can i "extend" instead of "mirror"? and how

Hi David it should...
Display Support:
Dual Displays
Resolution Support:
1920x1200*
Details:
*This model simultaneously supports 1920x1200 on an HDMI display or a DVI display using the included HDMI-to-DVI adapter and 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port).
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600*
Details:
*This model simultaneously supports 1920x1200 on an HDMI or a DVI display (using the included HDMI-to-DVI adapter) and 2560x1600 on a Thunderbolt or Mini DisplayPort display or even a VGA display (with an optional Mini DisplayPort-to-VGA adapter, which is compatible with the Thunderbolt port).
Are you using splitter maybe?

Using extended desktop mode with ThinkPad x220

I have an Acer AL2216W external monitor. It has a resolution of 1680 x 1050
http://support.acer.com/acerpanam/monitor/0000/Acer/AL2216W/AL2216Wsp2.shtml
When I use extended desktop mode with the external monitor set as the primary display, everything scales properly on both the external and internal monitor.
However, if I set the internal monitor as the primary display, the external display does not fill the screen (there is a big black border around the desktop).
In both cases, the resolution setting for the external monitor is 1680 x 1050.
Is this normal behaviour?
Solved!
Go to Solution.

Hello,
That's how Windows behaves. Supposedly Realtime Soft Ltd.'s UltraMon gives you more precise control over wallpaper under Windows, but I have not used it myself.
Regards,
Aryeh Goretsky
I am a volunteer and neither a Lenovo nor a Microsoft employee. • Dexter is a good dog • Dexter je dobrý pes
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Portege m700 Tablet Extended Desktop Problem

I've looked all over and can't find a good answer to this, so I figured I'd better check with the source! I have a Toshiba Portege m700 tablet PC, which has an LCD monitor connected using the digital cable.
I have the external monitor set as my primary, with the notebook monitor set as the secondary, providing extra desktop real estate to the right of the first monitor.
The problem is that when I use the touchscreen, the mouse controls are only active on the primary monitor (the external one). What I'd like to do is have the external monitor be primary, the notebook monitor be secondary, and be able to drag items to the notebook and use ink, or onenote, or other touchscreen apps on there. I want the touchscreen to control ONLY the secondary (notebook) monitor. Is this possible?
It seems like there should be some way to just instruct the computer to map the touchscreen to the secondary monitor instead of always just mapping to the primary.
However, if there is not, what I did experiment with is having the notebook as primary and the external as secondary, and then using some sort of multimonitor software to manage the taskbar and such to create the illusion of the external monitor being primary. The problem here is that while the notebook is 1280 x 800 resolution, the external monitor is capable of 1280 x 1024, but when set as secondary will go no higher than 1280 x 800. Is there a way to force the external monitor to run in 1280 x 1024 if I'm using it as the secondary?
Is this something for which I need an updated graphics driver? I tried to get a newer version of the Intel GMA, but it actually removed all extended desktop options for me, so I rolled it back. The version it's running is 6.14.10.4837.
Thank you in advance for anyone pointing me to any driver updates, configuration directions, or external software that can effectively manage all these options of extended desktop, screen resolution, and what monitor is assigned to touchscreen control!

I've just tested the "Extended Desktop for Tablet PC" powertoy, and that doesn't solve this problem. With the tablet set as the secondary monitor, when I move the window onto that screen, it just recurses the image over itself, which isn't really useful.
No one has any other ideas about this?

Can you toggle Extended Desktop?

Hey this is my first post here on the board,
my problem has to do with multiple displays. I currently have my LCD TV connected via the mini-DVI to my mac. The extended desktop works great. The only problem is that I don't always want to extend my desktop to the TV screen, I only want to do so when I watch a movie etc. It gets irritating when the TV is turned off and something is on the other screen.
So my question is: Is there some way of turning output to the second monitor on/off? The effect I am looking for is essentially the same as if I pulled the mini-DVI cable out of my iMac. (The main screen would remain and the other would go black, restricting the cursor to the main display).
AppleScript snippets, Automator stuff, Widgets anything!
I hope you can help me out.

Bludger wrote:
Thanks for your replies! You are right mirrored mode would fix the problem iff it wasn't for the fact that the two displays (one being the TV) have different resolutions, this results on black bars on my iMac's screen -- which really isn't cool. Instead I would like to completely stop output to the other display (TV). Just like in windows (the feature called "Extend my display to this monitor" or something like that.
there is no option to do that. you'll just have to unplug the external monitor when you don't want to use it.

Silly Question regarding extended desktop

I have just ordered a new 24" iMac however, the tech specs for the UK note:
+Support for external display in video mirroring mode+
Where as the US tech specs note:
+Support for extended desktop and video mirroring modes+
Which is correct? Does anyone from the UK have their aluminum iMac running in extended desktop mode?
I am upgrading from a white 20" and I have a second monitor as an extended display. I just want to make sure I do not lose this functionality.

All Intel iMac's will do extended desktop mode (by default) when you connect a second display. The next bullet says
"Simultaneously supports full native resolution on the built-in display, and up to a 30-inch display (2560 by 1600 pixels) on an external display"
so that basically says it will extend the desktop, since it would not support "full native resolution" up to 2560x1600, if it was simply mirroring the built-in 1920x1200 display.
The new iMacs have a Mini DisplayPort (instead of a mini-DVI port), so you will need a new adapter.

Screensaver eMac monitor while in extended desktop mode?

Officially, eMacs can mirror to an external display but cannot do extended desktop. Since my 2005 eMac's built-in monitor is only functioning correctly at low resolutions (see http://discussions.apple.com/thread.jspa?threadID=2013835), I'm using a program called Screen Spanning Doctor to run it in extended desktop mode. My eMac is running Mac OS 10.4.11.
*I'm searching for a way to run a screensaver and/or turn off the eMac's built-in monitor while I continue to use my external monitor.* Is that possible? I've configured my external monitor to function as the primary display while the eMac's built-in monitor is the extended display.
Thanks!

Hi all,
I've found a solution to my problem!
I'd forgotten that Mac OS X allows each monitor in an extended desktop configuration to have its own desktop picture. I copied all desktop pictures to a new folder, used the procedure described at http://www.macworld.com/article/51937/2006/07/savedesk.html to copy all Apple screensaver photos to that new folder, and then configured System Preferences => Desktop & Screen Saver => Desktop to use that new folder and change the picture every five seconds. EDIT: I selected "Random order" too.
This won't be too distracting since I'm using an external monitor as my primary display. Also, this solution should require only a tiny percentage of my computer's resources. Thanks again to all of you for your great ideas!
Message was edited by: gobbles414 (original)

Dual Monitor (Extended Desktop) Information Requested

Hello,
I am gathering information regarding the addition of an additional monitor to serve as an extended desktop for my iMac 2GHz Intel Core Duo (purchased in early 2006).
Questions:
1) Is it possible for this 2 1/2 year iMac to have an additional monitor?
2) My iMac has a Mini-DVI port on the back. While looking at other monitors, I have been seeing 15 pin High-Density D-shell (VGA), Video - 24 pin DVI-D, and Video - HDMI interface inputs
3) Which one of those interface types is recommended?
4) Does Apple require a proprietary cable to connect with the above mentioned monitor?
Thank you for any information!
Tony
3)

Yes it is possible to have an additional monitor. I would compare the 20" iMac display to DVI quality although I believe HDMI is the highest quality (probably comparable to the 24" iMac displays). You will need a mini-DVI adapter to connect any display (see link below). I would recommend a DVI connection using a monitor the same size as your iMac that can handle the same resolution as your iMac display. If unsure what this resolution is go to system preferences>displays.
http://store.apple.com/us/product/M9321G/B
You can also read some of the reviews from this mini-DVI adapter as most of them are trying to do what you are doing. You will also need a standard DVI cable (sometimes included with monitor) to connect to the new monitor to this adapter. There is also a mini-DVI to VGA adapter - although I wouldn't recommend this connection because it will be lower quality than your regular display. And a cable that connects DVI to HDMI if you decide to go that route.
http://store.apple.com/us/product/M9320G/A
http://store.apple.com/us/product/TL952LL/A

Extended desktop iMac to iMac

Hello, I have two 20inch Intel iMacs at work and I'd like to use one as my main machine and use one in extended desktop mode. Is it possible to just use the screen of the other iMac? If so, how would I go about hooking it up?
Thank you,
-Kevin

Kevin,
Patrick Stein, the developer of ScreenRecycler, regularly(ish) contributes here in Apple Discussions. Here is his profile:
http://discussions.apple.com/profile.jspa?userID=302226
If you click on the website link in his profile, look down to the left, there is a "Who am I' box. Within that box there is a link which, when clicked, fires up your email client with his email address in the To: field.
Give him a shout. I'm sure he'd be more than happy to suggest various ways to get the software working for you at it's optimum speed and be able to offer suggestions with regards to the resolution issue you are having.
Seems like a stand-up geeza and a pretty cool dude
Kryten

Dual displays ("extended desktop") on the iBook

This is in response to a previous query that was strangely archived despite the original poster receiving no definitive answer.
The iBook G4 (and various other iBooks) does not support "spanning" dual displays (I believe Apple calls this feature "extended desktop") with Leopard. Evidence of this is the missing "Arrangement" tab in the Display system preference pane.
The Tiger version of Spanning Screen Doctor (http://www.rutemoeller.com/mp/ibook/ibook_e.html) does, indeed, work correctly on an iBook G4 running 10.5.4. After rebooting, the "Arrangement" tab will now appear in the Display pane.
Hopefully this saves some iBook users some time and effort in resolving this issue.
--Brian

Thank you for yor help.
I have one more question to ask? If I use the LCD TV like Sony or Samsung with the New i-Mac will I loose deskspace on the LCD TV due to the low resolution on the LCD TV? I thought the LCD TV was a good idea since it has all the input for all my DVD player, TV box?, Nintendo, and the VHS?, but I was told that LCD TV might not be too compatible for use with a computer.
How do I put all my stuff on a Apple 23" LCD display I only can find adapters that can only take one peripheral at a time, and I don't want to re plug a TV box each time I want to watch TV. It looks like I need a box for use with Apple display with 3~4 input and S video, and HDMI input for the HD stuff?
Again thank you for all your help.
12" PowerBook G4 1.5 Mac OS X (10.4.4)

Always mirrors (won't start with extended desktop)

Since upgrading to leopard, I have the following problem: Whenever I plug my MacBook into a particular external monitor (a projector with 800 X 600 resolution), it automatically goes into mirroring mode - even if I last used it in extended desktop mode. I can then turn off mirroring, but all my windows have shrunk (to fit 800 x 600) and have moved. I leave mirroring off when I unplug - but then the next time I plug in, the same thing happens. I want it to start in extended desktop mode, and not automatically enter into mirroring mode. Any ideas?

10.9.3 and 10.9.4 have known issues with displays attached via Thunderbolt (for example see here Second display problem with 10.9.4 and 10.9.4 - Thunderbolt display for 6630M (Mini mid-2011) still broken ).
You can try filing a bug with Apple at https://bugreport.apple.com/

Mirror and Extended Desktop - Panasonic 42" 720 image cropped

I have my 15.4 macbook pro connected to a Panasonic 42" 720 HDTV via the mini displayport. In both mirror and extended desktop mode, the Panasonic image is cropped off on all four sides. I fooled around with all the resolution settings and nothing changes.
No matter what I do, the menu bar and dock get cropped off by a few pixels. How can I fix this?
thanks

Right, your TV is overscanning. That's very common. Overscan has been part of what TVs have done for decades.
If your TV is meant to be compatible with computer output, there should be a way to set the screen size using the TV's remote and/or menu system so that computer output just fills the screen. So check you TV's user manual about making a connection to a PC for information about how to get rid of overscan on the TV.

Extended Desktop resolution?

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