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  1. #1

    Member Since
    Apr 08, 2012
    Convert iMac into display for MBP, with option to switch back instantly

    I have two Apple computers. One is a MBP 2012 non-retina, and the other is an iMac mid-2011. (The MBP is my property, and the iMac is company property.)

    I prefer using the iMac, but obviously all of my personal content and software is on the MBP. Therefore, is it possible to run the iMac as a second screen for the MBP?

    If so, I would like the option to switch the iMac back to it's usual system. For example, I have days at work when I have a lot of down time. During these periods, I'd like to convert the iMac into a second screen for my MBP, simply for the comfort. But, when a work-related task comes up, I'd like to be able to immediately switch the iMac back into it's usual mode.

    Also, I'd strongly prefer if files don't cross over at all. I don't want my files jumping onto my work computer, and I don't want work files jumping onto my computer.

    Can this be done with the Thunderbolt cable or something?


  2. #2

    pigoo3's Avatar
    Member Since
    May 20, 2008
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    According to this Apple document:

    Target Display Mode: Frequently Asked Questions (FAQ)

    ...I believe the answer is yes.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  3. #3

    Member Since
    Apr 08, 2012
    That's really awesome!

    One thing that isn't clear is if it will act as a DUAL screen. Hopefully my MBP doesn't go dark when my iMac takes over. I don't have a Thunderbolt cable yet to try it out. Would anyone happen to know?

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Your MBP will not go dark and yes, you do need a TB cable. You can buy a TB cable from for less than what you would have to pay Apple.

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