HP consumer dv7-6b56nr notebook a1t84uar#aba Manuale Utente

Component replacement procedures 

This chapter provides removal and replacement procedures. 

There are as many as 91 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.

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.