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Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 67 screws, in 10 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 you order parts or request information, provide the computer serial number and model number
provided on the service tag, located inside the battery bay.
Component Description
(1) Part number The number that provides specific information about the product's hardware
components. The part number helps a service technician to determine what
components and parts are needed.
(2) Serial number An alphanumeric number that is unique to each product.
(3) Product information The product name affixed to the front of your computer.
(4) Warranty period The duration of the warranty period for this computer.
(5) Model description The alphanumeric identifier you need to locate documents, drivers, and support
for your computer.
34 Chapter 4 Removal and replacement procedures