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4–6 Maintenance and Service Guide
Removal and replacement procedures
Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 71 screws, in 14 different sizes, that must be removed, replaced, or loosened when servicing
the computer. Make special note of each screw size and location during removal and replacement.
Serial number
Report the computer serial number to HP when requesting information or ordering spare parts. The serial number is
located on the bottom of the computer.
Item Component Description
1 Product name This is the product name affixed to the front of your 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 number you use to locate documents, drivers, and
support for your computer.
5 Warranty period This number describes the duration (in years) of the warranty
period for this computer.