Unable to mount .dmg

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Created Jun ’15

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I don't know that this is specifically a problem with the OS X 10.11 beta, but I've only noticed it now that I have it installed. I was trying to mount the XCode 7 beta dmg and Finder tells me "There is no application set to open the document "Xcode_7_beta.dmg". I thought maybe I had a corrupted disk image so I tried other dmg's and all of them tell me the same thing. I'm given the option to "Choose Application" to open .dmg's with, but I don't know which image to choose.

If this is a newb question that is not relevant to the beta, apologies in advance.

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Answer 1

Max108 OP

Jun ’15

DiskImageMounter is the app that would mount a .dmg

If you don't have it under "Open With..." when you right-click/control-click the .dmg, or if you do but it doesn't work, your install of the 10.11 beta is corrupted (or at the very least you have a permissions issue).

As a preliminary step, you could run "First Aid" on your OSX Partition from the Disk Utility app.

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