Apple AirPort Extreme 802.11n (4th Generation) - Manual (Page 34)

34 Chapter 5 Learning More, Service, and Support
Onscreen Help
To learn more about using AirPort Utility with your AirPort Extreme, open AirPort Utility
and choose Help > AirPort Utility Help.
Obtaining Warranty Service
If the product appears to be damaged or does not function properly, please follow the
advice in this booklet, the onscreen help, and the online resources.
If the base station still does not function, go to www.apple.com/support for
instructions about how to obtain warranty service.
Finding the Serial Number of Your AirPort Extreme
The serial number is printed on the bottom of your AirPort Extreme.