IMac display Mirroring to a MacBook

Hi everyone,
I am looking to mirror my iMac display to my macbook, as i need the extra screen space. I just got a thunder bolt cable to connect the two but i can not seem to connect them through target mode. Has anyone found a way to do this or does it only work the opposite way around?.

Target Display mode only works to display another device's screen on an iMac. Use a product such as ScreenRecycler over a network.
(122619)

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IMac display mirroring

I have an iMac G5 which is having some issues with video mirroring. When I try plugging a TV into it via the Apple video adapter, the imac display flickers, indicating it has adjusted to the new display, but there is no image on the TV. The System Preferences indicates that there is a "VGA Display" attached. (I believe that is supposed to say "NTSC/PAL." That is what my PowerBook says in any case)
Now however I have a new problem. The Apple Video Adapter is unplugged but the iMac still thinks that the "VGA Display" (actually the apple video adapter) is plugged in. It is stuck at a certain resolution (1028x768) and if i put it at a higher resolution it still shows only 1028x728 pixels, except now they are in the middle of the screen with a black border around it. (I believe this is normal behavior.... for when a TV is actually attached)
Any ideas? Both for the first problem (iMac thinks TV is a VGA Display) and the second (iMac thinks there's an external display attached when there is not). Thanks.
iMac G5, 1st Gen 1.8 GHz 17" Mac OS X (10.4.4)

Im having the same issues and would like to know if there is a solution...its driving me crazy!

IMac won't offer display mirroring option when connecting to HDTV with Thunderbolt to HDMI cable

I have an iMac, and am trying to connect to my HDTV to use as a second display (mirror). I am using a cable with a Thunderbolt connector at one end, and an HDMI on the other. I know the cable works because I have used it with my MacBook on other TVs. When I use this on my MacBook, I simply open displays, and between the tabs marked "Display" and "Color" there is always an "Arrangement" tab to select. When I try this same setup on my iMac, the only two tabs I can see are "Display" and "Color" - the option to mirror disdplay (or recognize the HDTV in any way) simply doesn't exist.
I would welcome any help. Thanks much, Doug.

OK, yes your Mid 2011 has a Thunderbolt port.
Reset > the System Management Controller
1. Shut down the computer.
2. Unplug the computer's power cord.
3. Wait fifteen seconds.
4. Attach the computer's power cord.
5. Wait five seconds, then press the power button to turn on the computer.
and the > NVRAM and PRAM
1. Shut down the computer.
2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
3. Turn on the computer.
4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
6. Release the keys.
Then try connecting the TV to the iMac.

How do I use my mid 2010 iMac as display with mid 2011 macbook pro?

I have a mid 2010 iMac and I want to use it as a display for my mid 2011 macbook pro.
The iMac has a mini display port and the macbook has a thunderbolt port.
Does anyone know if this is possible and what I need to make it possible?
Cheers!
-Sean

If the iMac is a 21-inch model, you need to use a product such as ScreenRecycler over a network.
If the iMac is a 27-inch model, click here and follow the instructions.
(121706)

Is there any way to turn on Video Mirroring if my iMac display is FUBARed?

Okay, my iMac display is permanently frakked.
Nothing else is wrong with the system (the tech assured me, anyways). Haven't yet used Firewire Target Mode to check yet.
Regardless, I have all the proper cables and adapters--and external VGA monitor--but no way (that I know of) to turn video mirroring on.
If I can't get an external display working, I'll be out either $900 to repair the display or $3000 for a completely new system.
Ideas?

Tried it and no go.
Not sure what's wrong.
Connect the VGA cord to the Mini-DVI-to-VGA adapter
Connect to external monitor.
Boot up iMac with adapter attached. Cmd-F1. Nothing.
Boot up iMac with adapter unattached, attach after boot is finished, Cmd-F1. Nothing.
Repeat, using a different USB port for my keyboard. Nothing (x2).
Repeat again, using a third USB port for my keyboard. Nothing (x2).
If I'm not doing anything wrong**, I can only conclude the techie was incorrect and there is something else besides "just the display" that is wrong with the iMac.
**Is the monitor even connected correctly if I continuously get a "no signal" message? Or is that only because the mirroring isn't enabled?

Is the studio display an exact mirror of the macbook pro?

Hello,
When an Apple Studio display 24-inch is connected to a Macbook pro, is the screen (picture) on the studio display an exact mirror of your Macbook or can one have an entirely different picture on your studio display.
As an example: Can I have Photoshop CS4 fully open on my Macbook Pro and excel spreadsheet/word documents fully open on the studio display? If so, is there additional hardware/software for this.

As I understand, can I have the display and MacBook Pro open at the same time, use different programs respectively, and still use the MacBook Pro's keyboard. Am I correct.
Yes. You can drag windows to the desired screen (or with many applications, even spread a window across both). The only thing you can't do is have the menu bar or dock on both displays at once. When run in full screen mode, some applications (such as QuickTime Player) will blank the other display. Others, such as Mplayer, can run full screen on one display and let you do other work on the other display.
<http://mplayerosx.sttz.ch/>

Is it possible to turn off imac display while mirrored display plays video?

I've set up a new 21.5" imac for my parents use in their living room and have connected their 52" lcd tv to the imac as a mirrored display.
One issue that i can't find a solution to is to find a way to turn OFF the imac display when they're watching content on the lcd tv. If they want to watch a film from the imac out to the LCD TV, they want to dim the lights and watch it, but the imac display being on in the dark room is distracting.
Is their any way (3rd party software??) to turn off the imac display while still being able to have the mirrored display running?

You should actually NOT use mirroring, although it would work OK on the 21.5-inch iMac because the screen resolution is identical to 1080p HDTV.
In System Preferences Displays pane Arrangement tab, turn mirroring OFF. This makes the HDTV screen extend the iMac's Desktop. In the diagram on that pane, it shows how the two screen arranged. The edge where they touch is where you can move your mouse cursor from one screen to the other. You can move the two screen around in the diagram, to match how the iMac and HDTV are located in the real world.
In System Preferences Displays pane Display tab, there will be a window for each screen. The 21.5-inch iMac's screen should be set to 1920x1080. The HDTV's screen should be set to 1920x1080 also, if it is a "1080p" HDTV.
To watch video content on the HDTV, first show the video playing in a window. Drag the window to the HDTV screen so that it is completely on that screen. Give the full screen command (usually Command-F). The video will play in full screen mode on the HDTV screen. In most video playing applications, such as DVD Player, QuickTime Player, iTunes, etc., the other screen (the iMac's screen in this case) will go black. It's not OFF, but it will display black.
Note: Some video playing apps have a preference setting for which screen gets the full screen. When playing video content in a browser window (such as YouTube or Hulu), when you go to full screen mode by clicking the +full screen+ button, the other screen will not go black.
As far as I know, there is no way to turn off the iMac display, even with mirroring turned OFF.

MacBook Pro - use iMac as mirror

Greetings.
I've seen many versions of this question, but not this exact one, so....
I have a MacBook Pro 6,1.
I also have an iMac 7,1.
I sometimes want to use the iMac screen as a mirror of the MacBook Pro screen (because it's a bigger screen).
The MacBook Pro would do all the "work".
(I do not think ScreenRecycler is the answer, based on what I can tell from their website and comments of others.)
Thanks for your consideration.
Robert

The large reflective iMac screen indeed doubles as a excellent mirror.
No video inputs.
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents
However you could use Apple Remote Desktop.
https://www.apple.com/remotedesktop/

Able to Dock MacBook Pro into iMac Display?

I have a MacBook Pro which I keeped docked into/connected to my Apple LED Cinema Display when I'm not on the road or at meetings outside of my office. This allows me to work with my MacBook Pro closed and with a keyboard and mouse at hand, almost as if I'm using a desktop.
My father's asked me to look into purchasing an iMac for his home, which I frequently visit. Would it be possible for me to dock my MacBook Pro into the iMac display similarly to how I can dock my MacBook Pro into my Apple LED Cinema Display? (And, if so, are there any additional accessories I need to do this?)
For example, can I close my notebook? Can I use the iMac mouse and keyboard? Can I play music on the iMac speakers? Can I use the iSight camera? I realize the iMac needs to be turned on when being connected to, which implies that the iMac operating system and programs would be running in the background, but can I basically keep the iMac operating system and programs "hidden" so that it feels like I'm purely using my MacBook Pro?
Thanks in advance,
Alex

Alex Rosenfeld wrote:
I have a MacBook Pro which I keeped docked into/connected to my Apple LED Cinema Display when I'm not on the road or at meetings outside of my office. This allows me to work with my MacBook Pro closed and with a keyboard and mouse at hand, almost as if I'm using a desktop.
My father's asked me to look into purchasing an iMac for his home, which I frequently visit. Would it be possible for me to dock my MacBook Pro into the iMac display similarly to how I can dock my MacBook Pro into my Apple LED Cinema Display? (And, if so, are there any additional accessories I need to do this?)
For example, can I close my notebook? Can I use the iMac mouse and keyboard? Can I play music on the iMac speakers? Can I use the iSight camera? I realize the iMac needs to be turned on when being connected to, which implies that the iMac operating system and programs would be running in the background, but can I basically keep the iMac operating system and programs "hidden" so that it feels like I'm purely using my MacBook Pro?
Thanks in advance,
Alex
See if sharing your screen allows all the functions you want:
http://docs.info.apple.com/article.html?path=Mac/10.6/en/11848.html
Mac Pro Quad Core (Early 2009) 2.93Ghz w/Mac OS X (10.6.4) MacBook Pro (13 inch, Mid 2009) 2.26GHz (10.6.4)
LED Cinema Display G4 PowerBook 1.67GHz (10.4.11) iBookSE 366MHz (10.3.9) External iSight

I cannot get my iMac to connect to my macbook via Thunderbolt to use my laptop as an extended desktop

I am trying to connect my iMac 21.5" desktop to my macbook pro via Thunderbolt cable so that I can use my laptop as an extended desktop. I have tried using detect displays to get it to show up and nothing happens. I've tried doing command + F2 to make it a targeted display, but the only thing I can get to happen is my iMac will mirror my Macbook and that's not what I want. No matter what I have tried it hasn't worked. I have tried turning both computers off and I have a brand new thunderbolt cable. I've updated all the software. Is there anything else I'm missing??
I'm running OSX Yosemite 10.10.1
Thank you !

We've already done all of that. And we used the same thunderbolt cable to connect two iMac's and that worked totally fine doing the Command+ F2. I don't understand why we can't get the macbook to do the same.

Using iMac display as extended desktop?

Hi,
is it possible at all to connect a MacBook to an iMac display to extend the desktop (or mirror)?
Thx
JP.

Hi,
yep it works with one of my laptop, but not the other one for some reasons... still working on that.
Thanks
JP.

Broken iMac display - nothing visible - How to set up external display?

I have a 17" Core Duo 1.83 with a cracked screen. It boots but I can't see anything thru the cracks. I can access the system in Firewire Target Disk mode, which I used to wipe the HD and reinstall Leopard.
Is there any way to boot the iMac in Display Mirroring mode, so that I can set it up to use an external display? I have a 22" Dell connected via DVI and would like to use that.
I guess the ideal would be a keyboard shortcut to use at startup. I've seen on other boards that there is such a shortcut for the Macbook: Command + F4. But it doesn't work with the iMac.
I also have the Remote Control if that could be any help.
Would voice commands be an option? If so, how would I activate and use them, given that I can't see anything on the screen? I don't remember ever activating them, so I don't know if they'd be on at the moment.
My idea is to turn the iMac around with the broken screen facing the wall, then use it with the Dell monitor. Still lots of life left in the iMac with 2GB RAM, works very well with Leopard, still quite fast.
Any help would be GREATLY appreciated. Thanks.

Okay, looking good for now!
I found a thread on Mac Forums. Link: http://www.mac-forums.com/forums/apple-desktops/184101-help-broken-imac-external -screen.html
Guy explains how he solved problem of iMac with broken screen, connected to external monitor; you need a second Mac to do this.
I quote:
-- What u need to do is drag the menu bar from the iMac with broken screen in Sys Prefs/Displays to the Ext Display - which of course is not possible. So if you were to connect the damaged iMac by firewire to another Mac with an External display - start the damaged iMac in Target mode by holding T key after powering on. Then start the Mac with Ext Display and hold Option Key and select the damaged Mac to boot off - once that is going go into Sys Prefs/Displays and drag the menu Bar onto the External Display to make it the Primary one. Then shut it all down and connect the Ext Display to the damaged iMac and with luck you will be GO. --
I cloned my Macbook 10.5.8 system to the iMac HD and made it bootable. Seemed to be working fine. I then shut down both Macs. I connected an external display to Macbook. The Macbook and iMac were still connected via Firewire. I booted the iMac and pressed T, so it booted in TDM. After about 30 seconds I booted the Macbook and pressed Alt: the Macbook's and iMac's disks were available as boot disks. I chose the iMac's disk and waited.... Seemed a long time. But finally the external monitor came to life and I had the whole thing working, more or less.
The setup was in Extended Desktop mode, with the extended desktop on my external monitor. Luckily, a bit of the top of the iMac's screen was semi-visible, and I was able to open Display Prefs. I selected Mirrored Displays at first and then was able to work on the external display (and not thru the cracks). From here, I unchecked Mirroring and selected the external display as the main one. This worked just fine. I have a 23" full HD monitor and it looked great.
I then shut down both computers, disconnected Firewire, disconnected the monitor from the Macbook and connected it to the iMac. Then I rebooted the iMac. It booted up a lot quicker, but on startup it went back to Extended Desktop, with the iMac's display as the Main one. Again, I was able to open Monitor prefs, then clicked on Gather Windows, which put the pref window on the external monitor desktop too. Again, from there, I could make the external monitor the Main one.
Question: is there any way to make the iMac boot to where the external monitor is the Main desktop all the time and by default?
If not, maybe the worst case scenario is that I have to set display prefs to Mirrored before shutting down. Then after startup I could just make the external one the main display again.
Many thanks David.
P.S. forgot to say that when I set the external monitor as the Main one in display prefs, it all worked okay, except that when I opened System Preferences, the window opened on the iMac's screen, not the external one.
Is there a setting to make all windows, in all apps, open on the Main display?
Message was edited by: moonshot61

Why weren't we told that display mirroring would not work with a Mac older than 12 months?

Why weren't we told that display mirroring would not work with a Mac older than 12 months?

You were, just not directly. If you go to apple's mountain lion webpage, you'll see this note at the bottom:
1. AirPlay Mirroring requires a second-generation Apple TV or later, and is supported on the following Mac models: iMac (Mid 2011 or newer), Mac mini (Mid 2011 or newer), MacBook Air (Mid 2011 or newer), and MacBook Pro (Early 2011 or newer).
http://www.apple.com/osx/whats-new/features.html

Putting iMac display to sleep, when using TV as a screen.

I have just connected my iMac to my 42" Panasonic 1080p TV, the connection was easy and is working fine. My questions relates to putting the iMac display to sleep when using the TV as a monitor, if I am watching You Tube, Sky Player or a DVD, I intend to use my TV as the monitor. Is it possible for the iMac to puts its display to sleep, whilst leaving the TV on. I played around with this today, however was unable to manage this.
Regards Craig

Hi Craig
There is no way to independently sleep either the iMac's Display or an attached Display/TV. However if in the Display Arrangement Preferences you set the attached Display or TV to be the Main Display and turn Mirroring Off, then FrontRow and the Full Screen Mode app's like, DVD player, QuickTimePlayer, etc. will black out the unused iMac display.
Dennis

Intel Imac display problems

I have an old intel imac (17 inch white screen) bought just over 5 years ago. The imac has just 'died', the screen will not display anything. It will chime on starting up and I can hear activity but nothing displays on the screen.
I returned it to my local Apple store, upon investigation they said the graphics card had gone (£500 to replace) so I bought a brand new iMac a few days ago.
All of my data is backed to up an external hard drive.
I run a database programme on the old iMac called 4D, which has a huge amount of data stored in it (all backed up).
I have installed the most current version of 4D on my new Imac, but it will not open the data on my back-up (error message: data cannot be published).
I have installed my old original version of 4D from my original bought CDs, but again it will not read the data.
The guy in the Apple shop gave me instructions on how to link my old 'dead' iMac, to my MacBook Pro via a Firewire cable, and using Target Disc Mode, I should be able to access the dead iMac hard drive on my MacBook ... have just tried this and the dead iMac hard drive will not show up on my MacBook. It does not appear on the desktop as suggested by the guy in the Apple shop, nor does it show up in System Preferences > Start Up Disk as an alternative disc to boot from.
What I need to do is access the 4D database on the dead imac, so that I can export the data as a text file, to put into a new application on my new iMac.
Althought the data is backed up to the external hard drive, it is backed up 'in the database' ... and I need to EXPORT the data, which I cannot do unless I can open the database ... which I can't !
I'm going round in circles with this, so if anyone can please point me in the right direction it would be much appreciated.
Many thanks
Rock of Ages.

make sure you execute the instructions for target disk mode properly, because your screen is dead and you won't see the icon displayed.
see here: http://docs.info.apple.com/article.html?path=Mac/10.6/en/8443.html
you may have to hold the T longer on the deadhead mac.

IMac display Mirroring to a MacBook

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