Using iMac as external monitor for Retina MBP

Discussion in 'MacBook Pro' started by iNewbie, Jun 25, 2013.

  1. iNewbie macrumors regular

    Aug 25, 2006
    I'd like to try and use my 27 inch Mid 2010 iMac as an external monitor. This is a display port version. Right before thunderbolt came out.

    I tried connecting it to my Retina laptop via a thunderbolt cable. I was hoping that might work but I couldn't get it to. Do I need a pure displayport cable?

  2. Stetrain macrumors 68040

    Feb 6, 2009
    I believe you need a pure mini-displayport cable to accomplish this. A Thunderbolt port is backwards compatible with Mini-Displayport cables but I do not think that a Thunderbolt cable is backwards compatible with a non-Thunderbolt device.
  3. iancflam macrumors member

    Mar 16, 2013
    2010 iMac model has no thunderbolt port so a display port cable should be the one you are looking for.
  4. iNewbie thread starter macrumors regular

    Aug 25, 2006

    I was afraid of that but wanted to make sure. Looks like I'll get a mini display port to mini display port cable.

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