OSX 10.9 Mavericks wont Install with Blank Password Posted on January 15, 2014 by timdotexe OSX 10.9 Mavericks will not Install with a Blank Password. System Preferences > User & Groups > Select an account with admin rights Change Password Source: Apple Share this:Share Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print