HP ProBook 6440b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 74
Component replacement procedures, Service tag, When ordering parts or requesting information - specifications
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Removal and replacement procedures Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 92 screws and screw locks, in 11 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 number provided on the service tag. Item (1) (2) (3) Component Product name Serial number (s/n) Part number/Product number (p/n) (4) Model description (5) Warranty period Description 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 determine what components and parts are needed. This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. This number describes the duration of the warranty period for the computer. Maintenance and Service Guide 4-5