HP EliteBook 8540w Mobile Workstation - Manual (Page 25)

Component Description
(1) Power cord* Connects an AC adapter to an AC outlet.
(2) Battery* Powers the computer when the computer is not plugged into an
external power source.
(3) AC adapter Converts AC power to DC power.
(4) Modem cable (select models only)* Connects the internal modem to an RJ-11 telephone jack or to a
country- or region-specific modem cable adapter.
(5) Country- or region-specific modem cable adapter
(select models only)* Adapts the modem cable to a non-RJ-11 telephone jack.
*Modem cables, batteries, modem cable adapters, and power cords vary in appearance by country or region.
Identifying the labels
The labels affixed to the computer provide information you may need when you troubleshoot system
problems or travel internationally with the computer:
● Service tag—Provides important information including the following:
◦ Product name (1). This is the product name affixed to the front of your notebook.
◦ Serial number (s/n) (2). This is an alphanumeric number that is unique to each product.
◦ Part number/Product number (p/n) (3). 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.
◦ Model description (4). This is the number you use to locate documents, drivers, and support
for your notebook.
◦ Warranty period (5). Describes the duration of the warranty period for this computer.
Have this information available when you contact technical support. The service tag label is affixed
to the bottom of the computer.
● Microsoft® Certificate of Authenticity—Contains the Windows Product Key. You may need the
Product Key to update or troubleshoot the operating system. This certificate is affixed to the bottom
of the computer.
● Regulatory label—Provides regulatory information about the computer. The regulatory label is
affixed to the bottom of the computer.
● Modem approval label—Provides regulatory information about the modem and lists the agency
approval markings required by some of the countries in which the modem has been approved for
use. You may need this information when traveling internationally. The modem approval label is
affixed inside the memory module compartment.
Identifying the labels 13