User Guide - Windows 7

Component
(4) Model number (select models only)
(5) Revision number
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Microsoft Certificate of Authenticity—Contains the Windows Product Key. You may need the
Product Key to update or troubleshoot the operating system.
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Regulatory label(s)—Provide(s) regulatory information about the computer.
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Wireless certification label(s)—Provide(s) information about optional wireless devices and the
approval markings for the countries or regions in which the devices have been approved for use.
18 Chapter 2 Getting to know your computer