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 62 screws, in 7 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 located
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 to determine what components and parts are needed.
4 Model description This is the alphanumeric identifier used to locate documents,
drivers, and support for the computer.
5 Warranty period This number describes the duration of the warranty period for the
computer.
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