Kbase Article of the Week: iBook, iBook (FireWire): How to find the Serial Number »

Apple:

The serial number for these iBook models is located in the battery bay.

  1. If the computer is on, shut down it down and close the lid.

  2. Turn the computer over so you are looking at the battery door.

  3. Remove the battery door. For information on how to do this, see technical document 58447, “iBook: Replacing the Battery”.

  4. The serial number is located near the bottom edge of the battery door. See below.