Got myself a MacBook 1,1 2Ghz Core Duo (should be somewhere around 2006) used on ebay. I'm trying to start with a blank slate but having trouble.
Here's what I've done. I made a bootable USB installer of Snow Leopard (it won't support Lion) and loaded it up. I used Disc Utility and Erase, with "Zero Out Data" as a security option. I then proceed with the installation, enter all my info, and OSX is up an running.
When I open Terminal
Last login: Sun Mar 10 10:14:31 on console
daves-macbook:~ mynamewhichisnotdave$
So, my name is not Dave. That's the seller's name. Where is this information stored and how can it still be there after I wipe the HDD?