Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 38 screws that must be removed, replaced, and/or loosened when servicing the
computer. Make special note of each screw size and location during removal and replacement.
Service tag
When ordering parts or requesting information, provide the computer serial number and model number
provided on the service tag.
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 This is the alphanumeric identifier used to locate
documents, drivers, and support for the computer.
Component replacement procedures
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