5k imac + 4k external monitor in portrait mode

I was told that the new 5k imac can support one external 4k display via thunderbolt, but the 5k imac cannot itself be rotated into portrait mode (on a vesa mount for example). If I connect an external 4k display via thunderbolt to the new 5k imac, can the external display be rotated into portrait mode so I can have 3840 pixels vertically on the 4k display?

They are right about the increasing of rpm. However I am not sure about the cause of this problem. This is a issue I had on my 27-inch iMac Late 2013 and there is two ways you can try to fix it:
1/ Rotate the display at 270º rather than 90º
2/ Use an application compatible with your system to monitor and control your fan speed

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Can I use an external monitor in portrait mode?

I do not yet own a Mac, but I am doing up-front research to know what to expect.
I currently have a Samsung 204T LCD monitor (DVI) which allows rotating the display into portrait mode.
I know that OS X supports using an external monitor to extend or mirror the desktop. Can an external monitor be configured for operating in portrait mode? I would expect that this requires the video driver to rotate the display before sending it to the monitor.

I will leave this answer to my original question.
I called Apple and was completely disappointed with their answer. They indicated that they would not answer such a question, since they deemed it to be "outside of the scope of Apple support" since my question was deemed "not a consumer-oriented
question."
So yesterday, I took my Samsung SyncMaster 204T monitor to the local Apple retailer to try it out on an actual system. I specifically tried it out on the 24" iMac with the nVidia 7300GT graphics card, since that is the system I was interested in.
It turned out that this monitor works beautifully in portrait mode with the above system using Tiger 10.4.8.
So, I went and bought it!!

How to use a secondary monitor in Portrait mode

Finally discovered how to do this. Here is how to use a second monitor in portrait mode:
Open System Preferences from your iMac dock.
Click Displays - Click Arrangement - Click Gather Windows - the secondary monitor dialog box opens.
Click Rotation - Click 90 degrees rotation for PORTRAIT MODE.
Click CONFIRM on the secondary monitor to keep Portrait mode.
Select the desired resolution. I chose 1200 x 1920.
You'll see a dialog box that says, "About to change the display mode."
Click OKAY.
Click Confirm. (If it appears. For some resolutions, I did not have to click confirm, most likely because the monitor supports those resolutions.)
Then resize the windows of the software you're using.
Done!

I too got the same. Both monitors went portrait. Then I unchecked the 'Mirror Display' option in the Arrangment tab of iMac display and voila. Got what I wanted.

IMAC als externer Monitor

Hi,
i will use my iMAC 27'' (Model: Middle 2011) as an external monitor.
The signal should come from an Laptop Dell Latitude E6230 over an "HDMI to thunderbold" cable.
The cable is from my apple shop and named "Mini displayPort HDMI Cable".
After reading many different articel to TDM mode (see http://support.apple.com/kb/HT3924?viewlocale=de_DE ) I'am not sure that this will work properly.
Current I have no success.
Thanks in advance for your support.
Greetings Klaus

Hello Klaus.
As the article points out, TDM works only Mac-to-Mac. Screen sharing could be possible for your situation. Requires software. This is for the Mac side:
http://www.screenrecycler.com/ScreenRecycler.html
It can share a PC screen, but I don't know if similar software must be installed on the PC.,

Terrible performance on 2nd monitor in portrait mode

I have the newest model 27" iMac. I have a second monitor plugged in via mini displayport. Everything was fine until Mountain Lion upgrade. Now, the second monitor, when in portrait mode, stutters very badly when I swipe between desktops. It is very annoying. It is fine when in landscape mode, but I use it in portrait mode and it's terrible.

You need to submit the bug to Apple, I believe some people have complained of this during testing from what I have seen on some apple fan sites.

Can i use a hdmi to mini display port cable to use my iMac as external monitor for a windows laptop?

Does anyone know if a hdmi to mini display port cable can be used to link a windows laptop with an 27 inch iMac to use the iMac as an external monitor. Or are there other options to connect my DELL latitude 6430?

Is the 3.5mm-to-optical cable any better than using a standard 3.5mm? I don't know too much about this stuff. My thought process was that if the source of the connection is a 3.5mm jack, does it make a difference using a cable that starts as a 3.5 and converts to optical?
Chances are excellent that if your receiver is less than 20 years old it has an optical input, this is a digital signal which will sound MUCH MUCH better than using an analog 3.5MM to 3.5MM connection. I recommend using the cable suggested or one with the same connections but of a different length if your needs warrant it.

IMac and External Monitor

I have an early 2006 iMac 20" core duo 2.0ghz 2GB Ram.
I already have an external 17" monitor plugged in with the mini dvi adapter.
I have recently purchased a 32" Samsung TV, which has PC Input. This will be arriving shortly.
Is there any way for me to connect both the TV and the external monitor to the iMac? I would rather mirror the display to the TV and extend the desktop onto the 17" monitor.
If there is a way to output to both, but by a different way - i.e. not mirroring and displaying - this would be great.
I didn't know whether it was possible for me to use some sort of splitter. So a mini dvi to 2 vga's. Then vga to tv and monitor.
Thanks for the help.

Hey Stephen
You might want to check out [DisplayLink|http://www.displaylink.com>
This Google Search: [multiple displays with intel imac|http://www.google.com/custom?q=multiple+displays%20with%20intel%20imac&sa= Search&client=pub-6263300333013957&forid=1&ie=ISO-8859-1&oe=ISO-8859-1&cof=GALT: %23008000;GL:1;DIV:%23336699;VLC:663399;AH:center;BGC:FFFFFF;LBGC:336699;ALC:000 0FF;LC:0000FF;T:000000;GFNT:0000FF;GIMP:0000FF;FORID:1;&hl=en]
And these from [MacWorld|http://www.macworld.co.uk/mac/news/index.cfm?newsid=20862] and [Cambridge|http://www.cambridgenetwork.co.uk/news/article/default.aspx?objid=43 026]
Dennis

Imac as external monitor for windows Notebook

Hi,
I want to switch from my Windows Pc to a mac for private use.
I prefer the new iMac (2011) 21,5" but I could not get an definite answer (not even in my local apple store) if it is possible to connect an existing Notebook (with VGA Mini-d-sub or DVI connector) to the new iMac in order to use the iMac as an external monitor for the Notebook.
I definitely need this for my business work in my home-office so this information is vital.
If ist is not possible I have to take the macMini and stay with my standard monitor.
Can please someone tell me if it is possible at all and if so, how it can be done.
I searched the internet and only found out that it was possible with the older 27" model but no information for the 2011 21,5" so please help!
Thank you in advance for your Support.
Celindir

Hi,
Sorry to say, but ...
The 2011 iMacs (21.5" and 27") can only be used as a second display via a Thunderbolt-to-Thunderbolt cable.
The 2009 and 2010 27" iMacs can be used as a second display via a DisplayPort connection.
http://support.apple.com/kb/TS3775 andhttp://docs.info.apple.com/article.html?path=Thunderbolt/10.6/en/30822.html
Stefan

New imac as external monitor for macbook pro?

I have a 2011 macbook pro that I use for work. I am thinking about buying the new imac for use at home. The question is can I use the imac as an external screen for my mbp? Or do I have to have another external monitor to use for that?

can I use the imac as an external screen
Yes

2012 27" iMac as external monitor for mid-2009 Macbook Pro

I have a 13" Macbook Pro (mid-2009) with an adapter that I have hooked up to the VGA port on PC external monitors in the past. I just bought a 27" iMac (2012) and was wondering if there was any way to make that an external monitor for my Macbook Pro?

Welcome to Apple Support Communities
Purchase a Mini DisplayPort cable and press Command and F2 keys in the iMac

2012 iMac as external monitor

Hi, got 2012 imac that I want to use as a external monitor from my PC with has displayport out.
From research I see that to use it via HDMI or DVI you have to make sure you get an expensive bi-directional cable, but all the cables I can see are just called mini-displayport to displayport, where as I want to go from displayport to mini-displayport.
Do I need to a different cable or are mini-displayport to displayport cables bi-directional?
Cheers

Hi, I don't think you can do it...
Mid 2011s & up need Thunderbolt cable...
http://support.apple.com/kb/TS3775

Second iMac as external monitor; Connection via firewire without a deck/cam

Second iMac as an external monitor; Connection by firewire without a deck/camera possible?
I spend a lot of hours to find an answer to the following question, unfortunately without any success:
I’m working with a new iMac (Intel, OS 10.4.11) and Final Cut. Additionally I have an old iMac (G3, OS 10.3.9).
I would like to use the FireWire port to transport a dv video stream from the new iMac/Final Cut to the old one so that the old one can be used as a monitor. So all I want is a software for the old iMac that shows an incoming FireWire dv-stream as a live picture.
I tried vlc, videoviewer, iMovie, Vidi and btv. The problem is always the same: Final Cut (on the new iMac) does not find any FireWire/dv-device nor do all these software on the old iMac find a connection to Final Cut. I think the problem is that both sides are seeking for a device-setup at the FireWire-port on the other side. And none of them sends a signal like „yes I’m here and waiting for a dv-stream“.
Another attempt was ScreenRecycler with VNC-client on the old iMac. Unfortunately on my old iMac Os 10.3.9 is the last possible OS and no vnc client on that system is fast enough to show a video in real time.
I also tried virtualDV from Apples FireWire SDK 20. It works so far, that it claims to be a dv-device (on the old iMac) and so Final Cut at the new iMac says: „okay I’ll deliver you that stream“. The problem now is that virtualDV only can record that stream, not show it in real time.
Is there any solution like virtualDV that shows a live preview and turns the iMac in a FireWire dv-device?
Is there any solution that Final Cut simulates to be a FireWire dv-device itself and that another computer finds that device and understand the dv-stream?
Thank you very much for your help.
Message was edited by: baeumer

Don't think this is possible.
You're better off using a DAC (for example the one made by Canopus) and put your DV in and get a compatible signal out the other end for connection to your monitor.
I don't understand why you would want to go through a computer first, it would be a waste of time and add a huge delay to the signal.
Finally, I wouldn't use a computer monitor as an external display, it would be useless in my experience. Why not just preview on the one you've got by going full screen in FCP? Also using a computer monitor as a preview/output monitor is not a good idea since it's so different from a normal TV and won't show the correct colour space or issues such as flickering and interlace problems, underscan etc etc.
Seems like you're using a sledgehammer to crack a very small nut and that would be to use a DV camera via firewire and then connect up a monitor from that. (again using a convertor box if you have a connection problem.)

Use G5 iMac as external monitor/display for Intel iMac?

I have a 24" Intel iMac and a 20" G5 iMac (which is sort of mothballed now).I was wondering if it is possible to use the older iMac as an external monitor, mainly to save the expense of buying a "proper" external display when there seems to be a perfectly usable one sitting there in the G5 iMac.

translate.google.com.
Actually, it didn't translate very well. But the instructions are basically how to wire up an adapter cable. The G5 iMac appears to use standard DVI signals, so you just need to make a DVI cable to plug in to the internal connector. The table between pages 7 and 8 is what you want. If you've used a soldering iron around electronic devices before, that table is pretty much all you need. The picture of the backside on page 9 is neat. Using the ethernet connector hole to route the wiring. Almost looks like it came from the factory that way.

IMac as external monitor questions

I have an HP 6930p laptop from work and would like to connect my new 27" iMac to it to use as a larger monitor. The HP only has a VGA port, so I was hoping to find out if it's possible to connect this somehow to the iMac?? I didn't know if this could really be done with adapters, etc.
One other question: I know you can use the iMac as an external monitor for a MacBook laptop, but will this also work if you're running a PC operating system via VM-Ware on the MacBook??
Thanks so much

You can only use your 27" iMac for a device with DisplayPort output. To use your Windows laptop with VGA output you would need to find a 3rd party adapter specially designed to convert the VGA output to DisplayPort output. Then you would need a cable that went from the adapter to the iMac that has a mini-DisplayPort connector on the iMac's end.
As long as the MacBook has a DisplayPort there should be no issue with Windows on a virtual machine. You just need a cable with the correct connectors when it is DisplayPort to DisplayPort.
Dah•veed

IMac with External Monitor

Hi guys, I have a 20" Aluminum iMac with a 24" external monitor. In OSX I have no problems. I can make the external monitor my primary and I can video mirror the displays. However in Windows Vista I cannot figure out how to make the external monitor my primary. (I get the feeling windows won't let me because it is a mobile video card... the check box for which is the primary display is grayed out) This is not a big deal because I only game in Boot camp. So then I decided I could just mirror the displays. With mirroring my game would show on both monitors. I unckeck "extend my desktop with this monitor" but that just disables the monitor. I can find no option to turn video mirroring on. I searched help and it told me to open the mobile computer control panel? but when i opened it Windows said I can only use it on laptops. I am completely stumped. Anyone have any inside tips? Maybe there is just a command I can give to half life to make it play on the second monitor??? I don't know.
Thanks in Advance,
Jeff

we might be having different issues. I get video on the external, but I am unable to make it the primary monitor. I am also unable to make the two monitors mirror the same content. If you are getting no video at all on your monitor something else is wrong.

5k imac + 4k external monitor in portrait mode

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