My mother sold me her mac pro and she doesn't remember her administrator password

Hi mary,

Here is a link to an article that has solutions for resetting the Admin or any other User password on a Mac:

http://support.apple.com/kb/HT4798

Hope this helps!

Cheers,

GB

See this thread entitled "I forgot my Admin password".

Did you try searching these forums before posting? There are very few questions that have not been asked and answered before.