Help Please TDM PROBLEM COME ON IN

Discussion in 'iMac' started by ansonwong99, Jan 27, 2014.

  1. ansonwong99 macrumors newbie

    Joined:
    Jan 27, 2014
    #1
    i have a late 2012 27' iMac, and i just got a alienware x51 :):)and i want my mac be a display of the X51, so will thunderbolt to VGA works?(TDM)

    p.s sorry for my poor english:D:D:D:D:D:D:D
     
  2. chrfr macrumors 603

    Joined:
    Jul 11, 2009
    #2
    No, that won't work. Only Mini Displayport (and presumably Displayport to Mini Displayport) will work.
    http://support.apple.com/kb/ht3924
     
  3. ansonwong99 thread starter macrumors newbie

    Joined:
    Jan 27, 2014
    #3
    So thats mean thunderbolt converter won't work?
     
  4. biohead macrumors 6502

    Joined:
    Jun 18, 2010
    Location:
    West Drayton, UK
    #4
    No. 2011+ iMacs only allow TDM through a Thunderbolt connection. Nothing else will work (not even mini-displayport).

    You'd only be able to use converters on a 2010 iMac, as they accept mini-Displayport inputs (So you can convert HDMI/DVI from your X51 to mDP). This doesn't work for any newer iMacs though.
     
  5. xraydoc macrumors demi-god

    xraydoc

    Joined:
    Oct 9, 2005
    Location:
    192.168.1.1
    #5
    Mostly correct. But the simple mDP to DVi adapters are meant to go FROM mDP TO DVi, not the other way around. Going from DVI to mDP requires an active adapter. Around $75-$120 I believe.
     
  6. biohead macrumors 6502

    Joined:
    Jun 18, 2010
    Location:
    West Drayton, UK
    #6
    Thanks - I always assumed they were electrically compatible in both directions, so glad to have that clarified! :)
     

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