Just a follow-up to say that I verified that the recovery system of Yosemite does in fact let you access the menu extras. My iMac’s Internet Recovery was for Lion, which definitely doesn’t support this, requiring Ethernet to perform the install accessibly.
Hope this helps someone. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/d/optout.