the associated apple ID is not known either so I cannot use the apple ID to reset. the help section said if you type wrong passwords three times and the option of using apple ID will come up but mine doesn't. can anyone help me?
If you have 10.6 or earlier:
http://support.apple.com/kb/HT1274
If you have 10.7 or later:
http://support.apple.com/kb/HT6022
Ciao.
Sometimes you have to enter the wrong password 4 times.
OS X 10.7 Lion, 10.8 MountainLion & 10.9 Mavericks
Reset Password using Recovery HD
Boot into Recovery Partition.
Start the computer,then press and hold down command and R keys to start into recovery partition.
When you see the Apple logo, release the keys.
Wait until OS X Utilities window shows up.
Move the mouse to the menubar at the top and click "Utilities", then select "Terminal"
from the drop down.
Terminal window will appear.
Type in resetpassword and press enter on the keyboard.
Leave the Terminal window open.
Reset Password Utility window will open with Macintosh HD selected.
Select the user account from the popup menu box.
Enter a new password.
Reenter the new password for the user.
Enter a hint.
Click the "Save" button.
Click in the menubar and select Restart.
I cannot remember the user password.
