4140 Views 3 Replies Latest reply: Jan 22, 2010 6:16 PM by Carolyn Samit
The serial number is available in the System Profiler (Appllications/Utilities) and can't be removed.
One thing you can do to erase all personal data is to boot from the install disc and Erase and Reinstall the Mac OS X.
Also, if you have an iTunes account, login to your iTunes account, then from the Menu Bar click Store/Deauthorize computer.
Keep in mind the install disc(s) that came with the Mac must go with the Mac when you sell it.