IMac (Intel) :: Can External Display Be Rotated Into Portrait Mode
Nov 30, 2014
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?
Info:
iMac with Retina 5K display, OS X Yosemite (10.10)
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Nov 24, 2010
I just picked up a 2010 Mac Mini. Intel 2.4 cpu, installed a OWC SSD and 8gb of RAM. Anyways, using the HDMI to DVI that was included, anytime I switch to have the monitor rotated 90 degrees so it is in portrait, the quality goes away. The text no longer looks clear, the display seems to lag, and if I drag a window, the image tears really bad. Just confirmed this also happens with a mini display port to dvi connection. I have also tried 2 different DVI cables, both a single link and a dual link.
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Mar 26, 2010
I'm considering purchasing a 15" MacBook Pro when the upgraded models are released. I do a lot of coding so I'd like to have at least one external monitor, maybe two. Can an external monitor be configured to portrait mode? That would let me see as much code as possible. Do the MBPs support dual external monitors? What resolution max? I realize that the new models haven't been released yet so it's hard to know for sure. I might just get a 27" iMac for now, then get a 13" MBP later. I'm switching from a 15" Dell.
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Dec 1, 2014
I have a new 27" iMac retina display. Is there any way to use it as an external display (since it does not support Target Display Mode)?
Info:
iMac with Retina 5K display, OS X Yosemite 10.10.1
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Mar 26, 2012
I'm using 2 IMac 27' and one is simply used as an external display. When I wake up the computer from sleep, it works on the main monitor, however the external display still has a black screen. I have to unplug the external monitor to get it to wake up. I tried unplugging thunderbolt and replugging it in which worked the first time, but same issue again not waking up.
Info:
iMac
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Jun 5, 2014
Target Display Mode display mode won't work with my imac 21.5" mid 2011. I tried both commands cmd+f2 and cmd+fn+f2 but nothing! I'm using thunderbolt cable to connect my macbook air. Why I'm can't use my imac as external monitor?
Info:
OS X Mavericks (10.9)
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Feb 11, 2010
I've got two 20.1" normal aspect monitors right now (Dell 2001FPs), both being driven by the GT120 in my Nehalem Mac Pro. I want to buy a third screen that I can put in portrait orientation to better display printed pages.
1) 24" widescreen aspect.
2) Ability to stand in a portrait orientation (tall, not wide) with the default stand.
3) Ideally a Dell model, since my other two screens are Dells (this would be nice, but is not essential).
4) Hopefully somewhat cheap (~$300).
I see plenty of 24" models on the Dell site, but it is not clear to me which ones can be mounted portrait on the provided stand. I don't care about the screen being able to pivot; I intend to mount it portrait and leave it there.
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Mar 5, 2012
I want to buy the 27" iMac - but only if I can use it as external monitor for my Lenovo laptop when working from home. A the Apple store in London they said that this is possible with a Belkin converter from hdmi to mini display port (with a USB power caple to turn it into an active signal). The laptop also has a displayport.
Info:
iMac
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Jun 17, 2014
I have a samsung display and I can see the cursor, but nothing i drag and drop over there is showing up. if I drag a tab over, I can see the cursor but not the page, just blackness
Info:
iMac, OS X Mountain Lion (10.8)
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Jun 4, 2012
I have an 13" MBP that I ordered new in April, 2012. It is running Lion. I have an external monitor that is capable of 1440x900 resolution. I have an external keyboard and trackpad hooked up, and I like to close my MBP up and stick it in a BookArc. I want to be able to have the internal display disabled and to have the MBP only allow me to put windows on the external display, so long as the lid is closed. I also want to be sure that I am taking advantage of the resolutions available on my external monitor, which are higher than those supported by the internal display (specifically 1440x900).Â
This doesn't seem to work because I either have to allow the MBP to continue to draw my desktop across both screens (internal and external), OR use the "mirror displays" mode, which restricts my resolution of my external monitor. This means I either forgoe the additional resolution benefits of my external monitor, or I end up with windows that fall off-the-cliff, so to speak, because they are drawn in the portion of the desktop that would be shown on my internal display (which is closed).Â
I've read the community support pages on using the MBP with an external monitor, most relevantly, this page. It simply recommends using the "mirror displays" option. However, this option, as I mentioned above, doesn't allow me to make use of the additional resolution, and my external display looks bad. how to keep the 13" MBP in closed clamshell position, with the internal display disabled, and use my external monitor at resolutions higher than those allowed by the 13" MBP but which are available to my external monitor when not in "mirror displays" mode?
Info:
MacBook Pro (13-inch Late 2011), Mac OS X (10.7.3), External display (1440x900)
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Jun 24, 2012
I am wondering that is it essential to connect power adaptor all the time while operating in closed calmshell mode? When I unpluged the cable it didn't work. Is there some way?
Info:
MacBook Pro, iOS 5.1.1
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Sep 3, 2014
My iMac24" can't booting in normal mode, but booing in safe mode only.
how to boot up in normal mode. If I restart the system, it is showing the apple logo and not going to Finder.
Info:
iMac, maverics
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Jun 11, 2010
I have just seen another thread here which links to the following Apple KB article about running in clamshell mode. [URL]. It says something about putting your laptop to sleep before removing the external monitor. I am not running in clamshell mode but I have a dual screen setup using a Mini DisplayPort to VGA adapter. When I take my MBP (2010 - see sig) off my desk, do I need to put it to sleep to remove the Mini DisplayPort connector, and, if so, does anyone know why this is necessary?
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Jul 21, 2009
I am looking for a 20 - 24" LCD monitor that can be flipped into portrait mode to run of my iMac 24" 2.8 Ghz extreme (ATI HD 2600) late 2007 model.
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Dec 16, 2009
So I have a Mac mini set up with Windows 7 only and then I have that connected to a 27" iMac with the miniDP cable.
At first, during installation, I have no issues; Windows is installed and drivers are done... reboot.
I start seeing artifacts, especially in dark areas (little sparkling pixels of colors--kind of like white noise except it's not everywhere and this is in color), also every few seconds the screen would flicker, and occasionally the screen would change to where the bottom of the be on top (hard to explain, but imagine a movie where the frame isn't centered and you can see the bottom of the previous frame and the top of the current one).
I figured it was an issue with the iMac, so I switched back to the iMac and there are no issues. I switch back to the Mac mini and screen is still messed up.
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Jul 5, 2012
I am running a new 27" iMac and a MBP 17", both running 10.7.4. Both have Thunderbolt ports. I bought a thunderbolt cable and wish to use the iMac as an external screen for the MBP - Target Display Mode. I have connected both togther via the thunderbolt cable and used Cmd-F2, but nothing. System Information identifies the Thunderbolt ports (2 on the iMac) and nots No Devices Connected.Â
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Oct 23, 2010
I use a Belkin AV360 so I can play my Xbox 360 on my new 27" iMac using target display mode. it has been working flawlessly since I got the AV360 until today where I haven't been able to get target display mode to work.
I've checked it is not the Xbox 360 being the problem tested it on my housemates TV. am also pretty sure it's not the Belkin AV360 itself because in system profiler under USB devices it says the "AV360 miniDP Converter" is pluged in and say same in Windows 7 bootcamp under device manager. I also tried my laptop which has a HDMI out on it.
my laptop says there is a "Belkin dongle" plugged in, I set the laptop to use the Belkin dongle at a external display and still I can't get target display mode to work.
Normally when I turn my Xbox on it automatically goes into target display mode or I can press cmd + F2 so to switch between iMac and Xbox. I have also tested my housemates Xbox in my setup and still the same problem.
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Dec 27, 2010
I am thinking about using my iMac as an external display for my Dell Laptop listed in my sig. Most of the time at home I can work on my iMac, but occasionally I use windows, and I have the dell for that. According to Apple:
"On the 27-inch iMac, the same port offers input, too. So you can connect any external source that has DisplayPort output � including a MacBook or MacBook Pro � and use your iMac as a display."
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Oct 21, 2009
I just saw this new thing TDM, and I'm really interested, meaning I can hook up my MacBook to it and all sorts of other stuff. I've been trying to find more info on apple's site and google but there's nothing much mentioned.
Can anyone tell me what kind of cable is required? Will it eventually need like 10 adapter heads?
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Nov 8, 2009
Only the 27" iMac supports this feature. I'm seeing a lot of incorrect info thrown around the forums.
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Aug 3, 2010
I have a November 2009 27'' i5 iMac and a 2010 Macbook Pro 15'' i7. After installing the iMac's Target Display Update 1.0 and 10.6.4, I'm no longer able to connect the MBP to my iMac. When I plug in my mini displayport cable, the iMac's screen goes black for a few seconds, then the MBP's screen flashes blue for a second or two, and then back to normal, and finally, the iMac's screen goes blue for 5 seconds or so, and then back to the desktop.
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Jan 23, 2008
Just wondering if anyone could help me figure this out.
I have my 40" flat screen plugged into my imac via VGA cable to mirror the image.
I'm just trying to have the imac display sleep while I play a movie full screen through the external TV.
I've tried two different ways but both have failed.
1-I set up a hot corner in the imac to sleep display but this results in both the display and the TV sleeping.
2-I just set the power settings to sleep after 1 minute. This works but then If a movie is playing the computer won't go to sleep.
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May 13, 2012
I have a new 3.4 GHz Thunderbolt iMac and can't get Thunderbolt Target Display Mode to work with my current-model 13" MacBook Air or the current model 15" MacBook Pro furnished to me by my employer. Cmd-F2 just creates a beeping sound. I tried three different Thunderbolt cables. (They are not Mini DisplayPort cables. I have one of those from a previous model of iMac and it both looks different from the Thunderbolt cables and System Information doesn't show any change when I try to patch the computers together using it.)
All machines are fully updated to MacOS X 10.7.4 with all firmware updates applied. System Information shows that all are equipped with Thunderbolt interfaces; the Console app shows the kernel message indicating when the Thunderbolt devices are plugged in and removed; all three machines work in Thunderbolt Target Disk mode in both directions with all three cables with both Thunderbolt interfaces on the iMac.
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Apr 19, 2010
Basically I want to connect my Win7 PC tower to my 27" iMac. After doing some research, is it true that only the ATI 4890 and ATI 5970 are the only video cards that have worked in the past? The newer 5870 Eyefinity 6 just got released and seems to be a bit cheaper than the 5970, seems to be untested still. Has anyone got this to work with the cheaper ATI cards with displayport? I don't want to spend more than $600 for this new venture.
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Jan 13, 2010
I just purchased a 23" monitor to replace my iMacs 17" display (since it has a nasty crack in one of the corners). I hooked it up fine and all, but the displays are linked, allowing me to hover the mouse to the iMac's display which I find annoying most of the time.
Is there a way to make the iMac display zone out and just use the external by itself?
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Nov 10, 2009
I'm interested in the new iMac but could not work with a glossy display. Can anyone share their experiences of using the iMac with an external display? In one respect it seems like a waste to have two monitors but the base model costs little more than the maxed out Mini and seems like the better option.
I would be interested in seeing photos of any setups featuring the iMac and an external display.
Also, is there a way to turn off the iMac display when using an external display?
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Jan 10, 2009
Just purchased and hooked up a WD 2tb MyBook Studio Edition II external HD, the drive spins down on the HD but my iMac doesnt sleep while its plugged in.
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Feb 22, 2010
Is it possible to have an external HDD connected to an iMac or Mac Mini on a regular basis? I have a Power Mac G4, and it's always had issues with going into sleep mode when there is any external storage connected via the USB 2.0 ports (and I've put in replacement ports to try and remedy this, to no avail). The main problem is that once the system wakes up, it thinks you've improperly removed the device. Apple told me, way back, that this was normal and to just eject all external storage before going into sleep mode. Which is a pain, but looking at a new desktop Mac I would like to just get the tiny, base HDD and use a beefy external for all my media - unless this is still an acceptable norm with new macs.
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Jun 2, 2014
Troubleshooting a broken display on a 13MBP with OSX Lion. Target is 2011 27' iMac running Mavericks.
Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.3), Office for Mac
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Aug 21, 2014
I'm not sure what to do. I haven't tried resetting NVRAM/PRAM or the PMU/SMC, but are there other options I can try besides those?
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