We have forgotten the password of the administrator account on a new iMac OS X 10.10 and do not have an optical drive. How to proceed?
iMac, OS X Yosemite (10.10)
Posted on Nov 22, 2014 4:52 AM
Q: Resetting the original administrator account password
here is just one link of many results from a google search --
http://coolestguidesontheplanet.com/reset-forgotten-admin-password-mac-osx/