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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 95 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 ordering parts or requesting information, provide the computer serial number and model description
provided on the service tag.
Item Component Description
1 Product name The name affixed to the front of the computer.
2 Serial number (s/n) 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 which
components and parts are needed.
4 Model description An alphanumeric identifier used to locate documents, drivers, and support for
your computer.
5 Warranty period The duration of the warranty period for the computer.