Using a 20" iMac as secondary display for another iMac.

I have an older Intel 20" iMac that I'd like to use as a secondary display for a newer 20" iMac. Is that possible?
In my dreamworld, I'd still be able to use the old iMac as a second machine somehow. Ideally I'd be able to leave it running and switch over to it somehow. Am I dreaming or is this somehow possible?

My son no longer uses his old "snowball" iMac (2003) and I may try this as it would a nice (17") second screen.

Similar Messages

  • How can I use my rMBP as a secondary display for my iMac using thunderbolt?

    Based on this thread, it's not possible: https://discussions.apple.com/message/19207767
    But, I'm stubborn and refuse to believe that. Maybe they've released a software update (e.g., in Mountain Lion) that has since made this possible? Maybe there is an app that allows for this?
    Note that I don't want a solution that involves network hacks... this is at work, and I'd rather not slow down the network for others. And I'm not interested in the reverse setup (i.e., using my iMac as a secondary display for my rMBP).
    iMac: 27-inch, Late 2012. NVIDIA GeForce GTX 660M 512 MB. OS X 10.8.4.
    rMBP: Retina, Mid 2012 (15" I think). NVIDIA GeForce GT 650M 1024 MB. OS X 10.8.4.

    It's not possible. You can use the iMac as a display for the MBP,  but the reverse is not possible. The MBP does not have Target Display Mode as a feature and no third-party app nor hack can enable something that doesn't exist. The only way to accomplish this will be one of the network solutions.
    Regards.

  • Using an iMac as a 2nd display for another iMac?

    Hi all,
    is it possible to use an iMac as a 2nd display for another iMac?
    I guess it depends (if at all possible) on the models, right?
    Would it be possible with two of the currently available iMac 27" models?
    Is it just connecting the two video jacks with a cable? That would mean that the jack is input AND output connector at the same time: the video signal would be output from iMac 1 and serve as input for iMac 2.
    Thoughts?
    Thanks,
    Stefan.

    Awesome, David! Thank you! That helped a lot!
    Additional question: because running applications on the target-display-mode-iMac keep running: will I be able to connect from the source iMac to the target-mode-iMac via OS X's Share Screen functionality? So that I can still USE the 2nd (target-display-mode) iMac for running applications and accessing them? Or is the iMac in target display mode really just a dumb display? Will ssh'ing to it work?
    A little background: programs like Cubase and Logic work really great with two screens. Additionally, some audio plugins really need a lot of CPU power and some of those can actually distribute the number crunching via the LAN to other computers. So my thought is: run Cubase on iMac #1, use iMac #2 as a 2nd screen (will work, thanks to David's reply) AND use iMac #2's CPU, too, to help some Cubase plugins' number crunching. Would that work?
    Thanks a lot,
    Stefan.

  • Connect iMac 2011 as a display for another iMac 2011

    Hello.
    I have two iMac's 2011, and want to use one of them as a display for another.
    Is there any way to do that?
    Best regards,
    Alexey

    Thanx for reply!
    My mistake - one of iMac's is 2010 (iMac11,3).
    According to this doc, there is no way to connect iMac 2010 to 2011 in TDM.
    Maybe there is another way to do that (over ethernet or any other interface)?
    A.

  • Using 2009 iMac as second display for 2012 iMac

    I am using my 2009 iMac as a second display using a mini display plugged into the 2012 iMac Thunderbolt port.  When I plug it in, it works fine, but if I need to restart my 2012 iMac, it won't recognize the second display on reboot.
    How do I make my 2012 iMac automatically recognize the second display?  The only way I seem to make it work is by unplugging the cable, and then plugging it back in.  When I do, it immediately recognizes the second display.

    Thank you. Here's where my confusion comes in
    "iMac (Mid 2011) and later: target Display Mode does not work with Mini DisplayPort cable"
    Symptoms
    When you attempt to connect an iMac (21.5-inch or 27-inch, Mid 2011) and later to another computer with a Mini DisplayPort to Mini DisplayPort cable, the screen of the target iMac will not become an external display when you press Command-F2 to activate Target Display Mode.
    Resolution
    iMac (21.5-inch, Mid 2011) and iMac (27-inch, Mid 2011) and later computers support Target Display Mode via Thunderbolt to Thunderbolt cable (2 m) when the source is another Thunderbolt-equipped computer.
    iMac (27-inch, Mid 2011) computers do not support Target Display Mode via Mini DisplayPort cables.

  • Use my I-mac as a display for another PC?

    How can I hook up another PC to my i-mac display?

    VNC, Remote Desktop (either Apple's or Microsoft's), or you need a Mac compatible of Target Display Mode and a PC that can transmit video over the same standard as the Target Display Mode compatible cable.

  • Using one laptop as an external display for another?

    The title says it all really, can this be done?

    Not directly, no. But you can approximate the function with Screen Recycler. I haven't tried it myself, but it's worth a look.

  • Using a macbook pro as a second display for an imac using a thunderbolt to thunderbolt cable

    I know I can use TDM to use an imac as a second display for a MBP with a thunderbolt to thunderbolt cable.  Is there any work around to use a MBP as a second display for an imac with a thunderbolt to thunderbolt cable?
    15" MBP w/retina running maverick 10.9.4
    21" imac running maverick 10.9.4

    No; the MacBook Pro doesn't support video in. If desired, use a product such as ScreenRecycler over a network.
    (112829)

  • TS1367 Is there are a way to use my imac as a display for my macbook pro? I have a thunderbolt cable but it doesnt seem to do anything

    Is there are a way to use my imac as a display for my macbook pro? I have a thunderbolt cable but it doesnt seem to do anything

    Hello eassic,
    Thanks for the question, and welcome to Apple Support Communities.
    It sounds like Target Display Mode may be what you are looking for:
    Target Display Mode lets you use a Mac as the external display for another “primary” Mac. In some cases, you can also play the sound from your primary Mac on the speakers of the external Mac. For example, a MacBook Pro could use a 27-inch iMac as the display and play its audio on the iMac as well.
    OS X Mountain Lion: Use another Mac as a display
    http://support.apple.com/kb/PH11302
    Use an iMac with Thunderbolt as a display
    If you have an iMac with Thunderbolt, any other Mac with Thunderbolt can use it as a display. The iMac will play both the video and audio from the other Mac.
    1. Connect the Thunderbolt cable to the Thunderbolt ports on each computer.
    2. Make sure both Mac computers are turned on and awake.
    3. Press Command (⌘)-F2 on the keyboard of the external display Mac.
    4. If you want the external display Mac to play audio as well as video from the primary Mac, choose Apple menu > System Preferences, click Sound, and then click Output. Select the external display Mac from the list of devices.
    Thanks,
    Matt M.

  • Use 21.5 inch mid 2010 imac as a display for 2013 macbook air?

    I would like to use my 21.5 inch mid 2010 imac as a display for my 2013 macbook air. I tried using Screen Recycle, however I would prefer more of a monitor situation than a side-by-side extra screen situation. Ideally with my wireless keyboard and mouse. Does anyone have any advice, or am I asking too much from apple? Thanks very much.

    Yes. With an Ethernet cable and a product such as ScreenRecycler.
    (62511)

  • How can connect my macbook pro mid 2012 to my imac 21.5 inch mid 2010 ?? I want to use imac like a display for macbook.

    How can connect my macbook pro mid 2012 to my imac 21.5 inch mid 2010 ?? I want to use imac like a display for macbook.

    Target Display Mode: Frequently Asked Questions (FAQ)
    with a mini display to mini display cable. Attach it to the Thunderbolt port on your MBP and to the mini display port on your iMac.
    How do I enable TDM?
    Make sure both computers are turned on and awake. 
    Connect a male-to-male Mini DisplayPort or ThunderBolt cable to each computer.
    Press Command-F2 on the keyboard of the iMac being used as a display to enable TDM.
    Note: In Keyboard System Preferences, if the checkbox is enabled for "Use all F1, F2, etc. keys as standard functions keys," the key combination changes to Command-Fn-F2.

  • Can I use my iMac as a 'display' for my MacBook Pro?

    Hi all, I am really hoping someone can help me here.
    I am wondering if I can use my 24" iMac as a display for my MacBook Pro (both running Snow Leopard).
    It's my father's 80th birthday party in about 24 hours time. I am doing up the music and slideshow (thanks Apple - so easy!).
    My plan was to simply take my iMac and use it. However, I managed to drop the wireless keyboard (darn those dogs) and now my keyboard won't work. I have no backup keyboards here (gave the wired one to Dad to use with his Mac mini). I live in a country area with no access to a Mac store and it will take more than 24 hours to get a new one. Went to my local 'other computer' general store last night: I really don't want to buy an ugly black keyboard..... I have just had a great idea:
    Can I network my MacBook Pro and use it as the source for the slide show and simply use the iMac as a display? I have plenty of DVI adaptors but am just not sure how I would go about the software side of things? Or should I simply buy an ugly PC keyboard (and if I do, will the WIndows button work as an Apple button???)
    Any suggestions would be really appreciated.
    Thanks!

    The imac 24 can't be used as a monitor over a DVI connection or the like, Suzanne, but you may be able to achieve what you want to using "Screen Sharing" by networking the two computers. This lets your MBP effectively control what is running on the iMac.
    See HERE for the basic setup. For information about how to access the "shareable" screen from the MBP see HERE.
    One possible problem may be actually getting this set-up on the iMac if it is not already enabled, however, unless you can borrow a keyboard from someone (your password may have to be entered to enable it). You may be able to get around this, if necessary, using the "keyboard viewer" (which you can place in the menubar using System preferences > Keyboard, if you don't already have it there).
    Cheers
    Rod

  • How do i set up a second display for my iMac desktop?  I want to use both displays at the same time.

    how do i set up a second display for my iMac desktop?  I want to use both displays at the same time.  My iMac is the 24" Late 2006 model.  I recall that there is a cord for plugging in a second monitor, but I want to make sure that i can use both monitors side-by-side at the same time.  thank you.

    If the Display supports DVI, then you will need a > Mini-DVI to DVI Adapter and a DVI cable.
    If the Display only supports VGA, then you wiil need a > Mini DVI to VGA Adapter and a VGA cable.
    Noting that the (digital) DVI is far better than the (analog) VGA connection.
    Also see > Using Dual Displays on Mac OS X: The Experience

  • I have a mid 2011 27 inch iMac and a late 2012 mac mini. I am using the 27 inch iMac as the display for the mac mini. I was trying to use bootcamp on the mini but after I started downloading windows I can't get it to display on the iMac.

    I have a mid 2011 27 inch iMac and a late 2012 mac mini. I am using the 27 inch iMac as the display for the mac mini with a thunderbolt cable. I was trying to use bootcamp on the mini but after I started downloading windows I can't get it to display on the iMac.

    Hi there,
    The simplest way is to drag it across wirelessly using the 'Airdrop' application once both computers are near one another. 'Airdrop' can be found near the top, on the left hand side menu, within 'Finder'.
    AJ

  • Can I hook use an  older iMac as an display for my Macbook Pro?

    Can I use an older iMac as an display for my Macbook Pro?  The Macbook Pro has the Mini display port and the iMac has the older (larger) display port.  I am trying to have a document open on the iMac while writing a paper on the Macbook Pro.
    Thank you for your time.

    Welcome to Apple Support Communities
    You can use the Mid 2011 iMac as a display for your 2011 MacBook Pro. Both have Thunderbolt, so you won't have any problem > http://support.apple.com/kb/PH11302?viewlocale=en_US&locale=en_US
    Buy a Thunderbolt cable and press Command and F2 keys on the iMac to enable Target Display

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