HP ENVY dv7-7227cl HP ENVY dv7 Notebook PC Maintenance and Service Guide IMPOR - Page 54

Component replacement procedures, Service tag

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Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 76 screws that must be removed, replaced, and/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. It is necessary to remove the battery to obtain these numbers. See Battery on page 47 for battery removal instructions. Item (1) (2) (3) Description Product name Serial number (s/n) Part number/Product number (p/n) (4) Warranty period (5) Model description Function This is the product name affixed to the front of the computer. This is an alphanumeric identifier that is unique to each product. 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. This number describes the duration of the warranty period for the computer. This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. 46 Chapter 4 Removal and replacement procedures

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Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 76 screws that must be removed, replaced, and/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. It is necessary to remove the battery to obtain these numbers. See
Battery
on page
47
for battery removal instructions.
Item
Description
Function
(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)
Warranty period
This number describes the duration of the warranty
period for the computer.
(5)
Model description
This is the alphanumeric identifier used to locate
documents, drivers, and support for the computer.
46
Chapter 4
Removal and replacement procedures