HP ProBook 4320t, Руководство по техническому обслуживанию и ремонту

Страница: 42 / 108

Component replacement procedures
This section provides removal and replacement procedures.
There are as many as 83 screws, in 8 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.
Component Description
(1) Product name The product name affixed to the front of your computer.
(2) Serial number (s/n) An alphanumeric number that is unique to each
product.
(3) Part number/Product number (p/n) 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.
(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