Have this information available when you contact technical support. The service tag label is affixed to the bottom of the computer.

●Microsoft® Certificate of Authenticity—Contains the Windows® Product Key. You may need the Product Key to update or troubleshoot the operating system. This certificate is affixed to the bottom of the computer.

●Regulatory label—Provides regulatory information about the computer, including the following:

◦Information about optional wireless devices and the approval markings of some of the countries or regions in which the devices have been approved for use. An optional device may be a wireless local area network (WLAN) device. You may need this information when traveling internationally.

◦The serial number of your HP Mobile Broadband Module (select models only).

The regulatory label is affixed to the bottom of the computer.

12 Chapter 2 Knowing the parts