HP ENVY dv7-7212nr HP ENVY dv7 Notebook PC Maintenance and Service Guide IMPOR - Page 54
Component replacement procedures, Service tag - drivers
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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