Datasheet

Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 77 screws that must be removed, replaced, or loosened when servicing
the computer. Make special note of each screw size and location during removal and replacement.
Service label
When ordering parts or requesting information, provide the computer serial number and model number
provided on the service label, which is found on the bottom of the computer.
Item Component Description
(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 determine what components
and parts are needed.
(4) Warranty period This number describes the duration of the warranty
period for the computer.
(5) Model description (select models only) This is the alphanumeric identifier used to locate
documents, drivers, and support for the computer.
42 Chapter 4 Removal and replacement procedures