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  1. #1
    VGA  to Thunderbolt adapter to make my iMac an external monitor??
    fleurya's Avatar
    Member Since
    Nov 18, 2006
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    27" iMac 2.7GHz Core i5, iPhone 4S, 3rd gen iPad
    VGA to Thunderbolt adapter to make my iMac an external monitor??
    I want to use my iMac as an external monitor for my work computer, but the iMac only has Thunderbolt ports. I was told that 2011 and later iMacs can only be used as an external monitor for computers with TB ports (iether macs for now) Is there an adapter, either from VGA to TB, or VGA to USB, that would allow me to do this?

    Thanks for the help!
    "Give so much time to the improvement of yourself that you have no time to criticize others"

  2. #2
    VGA  to Thunderbolt adapter to make my iMac an external monitor??
    pigoo3's Avatar
    Member Since
    May 20, 2008
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    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    I believe that I heard somewhere that the "mini-display port" adapters are compatible with the thunderbolt port.

    What you need to know about Thunderbolt | Macworld
    Confusing Mini DisplayPort with Thunderbolt | MacFixIt - CNET Reviews

    So you would need a mini-display port adapter to VGA adapter...with the mini-display port end plugged into the iMac's Thunderbolt port.

    Mini DisplayPort to VGA Adapter - Apple Store (U.S.)

    HTH,

    - Nick

    p.s. I have to admit though. When someone mentions "VGA" (especially VGA and Thunderbolt) I always worry about compatibility. It's been a long long time since Apple used anything VGA related. I say buy the adapter...if it works great...if not...immediately return it.
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  3. #3
    VGA  to Thunderbolt adapter to make my iMac an external monitor??
    fleurya's Avatar
    Member Since
    Nov 18, 2006
    Location
    Anytown, USA
    Posts
    4,925
    Specs:
    27" iMac 2.7GHz Core i5, iPhone 4S, 3rd gen iPad
    Thanks for the info. I was thinking of trying that myself, but didn't want to sink the money into an adapter without knowing for sure first. It seems like if the fix was that easy, nobody would complain so much about the change from 2010 to 2011 iMacs regarding Target Display Mode.

    Maybe I'll see if a local store carries them in case I need to return it.
    "Give so much time to the improvement of yourself that you have no time to criticize others"

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