HP 421 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 32
Illustrated parts catalog, Service tag - driver
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3 Illustrated parts catalog Service tag When ordering parts or requesting information, provide the computer serial number and model description provided on the service tag. (1) Product name: This is the product name affixed to the front of the computer. (2) Serial number (s/n): This is an alphanumeric identifier that is unique to each product. (3) Part number/Product number (p/n): This number provides specific information about the product's hardware components. The part number helps a service technician to determine what components and parts are needed. (4) Model description: This is the alphanumeric identifier used to locate documents, drivers, and support for your computer. (5) Warranty period: This number describes the duration of the warranty period for this computer. 24 Chapter 3 Illustrated parts catalog