Skip navigation

I downloaded Mountain Lion OSX three days ago.  On start-up my IMac shows a black DOS screen.  Must unplug the Mac to restart.  Please help!

5991 Views 46 Replies Latest reply: Nov 27, 2012 12:01 PM by Eric Root RSS


More Like This

  • Retrieving data ...

Bookmarked By (2)


  • This solved my question - 10 points
  • This helped me - 5 points
This site contains user submitted content, comments and opinions and is for informational purposes only. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use.