User Guide - Windows 8.1
Labels
The labels affixed to the computer provide information you may need when you troubleshoot system 
problems or travel internationally with the computer:
IMPORTANT: All labels described in this section will be located in one of 3 places depending on 
your computer model: affixed to the bottom of the computer, located in the battery bay, or under the 
service door.
●
Service label—Provides important information to identify your computer. When contacting 
support, you will probably be asked for the serial number, and possibly for the product number or 
the model number. Locate these numbers before you contact support.
Component
(1) Serial number
(2) Product number
(3) Warranty period
●
Microsoft® Certificate of Authenticity label (select models only prior to Windows 8)—Contains 
the Windows Product Key. You may need the Product Key to update or troubleshoot the 
operating system. HP platforms preinstalled with Windows 8 or Windows 8.1 do not have the 
physical label, but have a Digital Product Key electronically installed.
NOTE: This Digital Product Key is automatically recognized and activated by Microsoft 
Operating Systems on a reinstall of the Windows 8 or Windows 8.1 operating system with HP-
approved recovery methods.
●
Regulatory label(s)—Provide(s) regulatory information about the computer. 
●
Wireless certification label(s)—Provide(s) 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. 
102 Chapter 13 Support ENWW










