Leopard: DMG files no longer mount on double-click

Discussion in 'macOS' started by kife, Jul 8, 2010.

  1. kife macrumors newbie

    Jul 8, 2010
    Something must have changed with the last software update I did. The DMG files now open in Disk Utility instead of automatically mounting when I double-click. Not really a show-stopper as I can still mount thru D.U. but kind of annoying...

    How do I get the old behavior back?

    I am on Leopard.
  2. spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    Select .dmg file,
    press CMD+I (or right click > Get Info), ​
    go to the Open With section ​
    and select the DiskImageMounter, ​
    then press Change All.​

  3. kife thread starter macrumors newbie

    Jul 8, 2010
    Thanks, that helped.

    For the record, the DiskImageMounter disappeared from the drop-down menu in the file info box, not sure why.
    Had to locate it manually in /System/Library/CoreServices (had to uncheck "Recommended Applications" first).

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