Mini DisplayPort to DVI to VGA

Discussion in 'MacBook Pro' started by Slipperyskates, Nov 30, 2008.

  1. Slipperyskates macrumors newbie


    Mar 12, 2004
    I have a quick question. I have to give a Keynote presentation using a VGA connection to a projector. I have a new unibody MacBook Pro with the mini dislpayport connection. Since I already have a DVI to VGA connection from an older PowerBook, would it be possible to just go mini displayport to DVI to VGA using two adapters, or would I need to go directly from mini displayport to VGA using just the adapter that Apple sells for this purpose?

  2. raymondu999 macrumors 65816

    Feb 11, 2008
    It's much safer to go with miniDP-VGA. I've read on some issues with daisy-chaining miniDP-DVI + DVI-VGA. I think there are some issues with that, unless you go and purchase the other miniDP-DVI, which is actually miniDP to Dual-Link DVI. That's not available yet.
  3. NewMacbookPlz macrumors 68040


    Sep 28, 2008
    You can't go from MDP-->DVI-->VGA, as the DVI output doesn't carry the DVI-I type signal, its strictly DVI-D (no analogue signal, no spaces for the pins even).

    You'll have to go MDP-->VGA directly.
  4. raymondu999 macrumors 65816

    Feb 11, 2008
    I believe he could go miniDP-Duallink DVI-VGA though.
  5. jonbravo77 macrumors 6502a


    Feb 20, 2008
    Phoenix, AZ
    He can, just has to pay the lovely cost of $99 to get the MiniDP -> DVI-I and then use a DVI adapter to go to VGA if he so chooses...

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