Forgot my iMac login password, so I tried the prompt of using my appleID & password - it wouldn't work. Even when confirming my only apple I'd and password (never changed) works on my iPad to log in to apple.com and for downloading apps.
I have the same problem as pinkfriday!!!!!!!
Then follow the same link I provided to answer his post!
Pinkfriday solved it using step 6 of Step by Step to fix your Mac on User Yips section https://discussions.apple.com/docs/DOC-3623
The link you provided for the original question does not work.
Sorry, try Resetting an account password
Forgot iMac password - using apple ID to reset is not working
