HP Notebook PC (AMD) HP 255 G4 Notebook PC - Maintenance and Service Guide
Component
(4) Warranty period
(5) Model number (select models only)
●
Microsoft® Certicate 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 with Windows 8 or Windows 8.x preinstalled do not have the physical label. Instead a
Digital Product Key is electronically installed.
NOTE: The Digital Product Key is automatically recognized and activated by Microsoft operating
systems when a Windows 8 or Windows 8.x operating system is reinstalled using HP-approved recovery
methods.
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Regulatory label(s)—Provide(s) regulatory information about the computer.
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Wireless certication 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.
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