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Chapter 5 Troubleshooting 99
Locating Your Product Serial Number
Use one of these methods to find your computer’s serial number:
 Choose Apple () > About This Mac and then click on the version number beneath
the words “Mac OS X.” Clicking cycles between the Mac OS X version number, the
build version, and the serial number.
 Open System Profiler (in /Applications/Utilities/) and click Hardware. You can also
open System Profiler by clicking the More Info button in the About This Mac dialog.
 Remove the battery and view the serial number for your MacBook in the battery bay.
For information about removing the battery, see “Removing the Battery” on page 80.