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Removal and replacement procedures
Maintenance and Service Guide 4–5
Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 67 screws, in 9 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.
Service tag
When ordering parts or requesting information, provide the computer serial number and model number provided on
the service tag (see Serial number location).
✎
Service tag color varies on select models.
✎
Warranty and Model fields are excluded from the service tag on select models.
Item Field Description
(1) Product name This is the product name affixed to the front of the computer.
(2) Serial This is an alphanumeric identifier that is unique to each product.
(3) Product This number provides specific information about the product’s hardware components. The
product number, or part number, helps a service technician determine what components and
parts are needed.
(4) Warranty This number describes the duration of the warranty period for the computer.
(5) Model This is the alphanumeric identifier used to locate documents, drivers, and support for the
computer.