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Additional hardware components
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
external power.
(3) AC adapter Converts AC power to DC power.
*Batteries and power cords vary in appearance by region and country.
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.
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Service tag—Provides important information including the following:
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Product name (1). This is the product name affixed to the front of your computer.
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Serial number (s/n) (2). This is an alphanumeric identifier that is unique to each product.
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Part Number/Product number (p/n) (3). This number provides specific information about the
hardware components of the product. The part number helps a service technician to determine
what components and parts are needed.
10 Chapter 1 Hardware features