Targeted Display Mode Problem: 2011 iMac

Discussion in 'iMac' started by James33, Jan 27, 2014.

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  1. James33, Jan 27, 2014

    James33 macrumors newbie

    Joined:
    Jan 22, 2014
    #1
    I recently purchased the new Mac Pro and am wanting to use my 27in Mid 2011 iMac as the display screen for it. I have followed all of the instructions here (http://support.apple.com/kb/HT3924?viewlocale=en_US&locale=en_US) but when I click the command + F2 button, the screen turns black for a split second (as it enters the new display mode) after that I get a grey screen with a mouse cursor in the top right hand corner which I am unable to move.

    Since this is the first time setting up my New Mac Pro I thought there may have been a problem with the nMP, so I tried it on my friends iMac (2013) and it connected perfectly. Has anyone ever come across this grey screen issue before? Any ideas on how to fix it?
     
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  2. Lauwie, Feb 4, 2014

    Lauwie macrumors regular

    Joined:
    Jun 17, 2011
    #2
    Do both computers have the latest firmware Installed?
     
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  3. CH12671, Feb 4, 2014

    CH12671 macrumors 6502

    Joined:
    Dec 29, 2013
    Location:
    Southern US
    #3
    Do you have access to any other computer you can hook to it? I use my Mid 2011 27 inch in TDM for my MBP a lot, with no issues. Maybe you could start with just trying to use it in TDM with another mac first, and go from there?
     
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