imac as 2nd monitor for a imac?

Discussion in 'iMac' started by tjsdaname, Oct 25, 2013.

  1. tjsdaname macrumors 6502

    Joined:
    Jun 18, 2009
    Location:
    cedar rapids IA
    #1
    I have a late 2009 27" iMac, I will be buying a new 27" iMac soon. Can I use my 2009 as a 2nd monitor for the new one? will the thunderbolt work with the mini displayport on the old one?


    thanks, and sorry for the dumb question, I couldn't find a clear answer anywhere else.
     
  2. rkaufmann87 macrumors 68000

    rkaufmann87

    Joined:
    Dec 17, 2009
    Location:
    Folsom, CA
    #2
    Nope, it will not work. Google Apple's Target Display Mode FAQ.
     
  3. tjsdaname thread starter macrumors 6502

    Joined:
    Jun 18, 2009
    Location:
    cedar rapids IA
    #3
    I thought thunderbolt was backwards compatible with mini display port and would sen video signal?

    and that TB to MD would work, but MD to TB wouldn't.
     
  4. aznboi91 macrumors regular

    Joined:
    Jul 27, 2012
    #4

    Please check this link out. I believe you should be able to use iMac as an external monitor. It would just have to be powered on thats all...

    Let me know if this works! :)

    http://support.apple.com/kb/ph4469
     
  5. yadmonkey macrumors 65816

    yadmonkey

    Joined:
    Aug 13, 2002
    Location:
    Western Spiral
    #5
    I think it should work via target display mode, except that it would be limited to 720p resolution on the 2009 iMac display.

    Out of curiosity, does anyone know if the new iMacs can do better than 720p in target display mode?
     

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