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Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 103 screws that must be removed, replaced, or loosened when servicing
the computer. Make special note of each screw and screw lock size and location during removal
and replacement.
Service tag
When ordering parts or requesting information, provide the computer serial number and model
description provided on the service tag. (When ordering parts or requesting information, provide
the computer serial number and model description provided on the service tag.)
Item Description Function
(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.
Component replacement procedures
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