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If no integrated wireless PCI Express Mini Card has been preinstalled in your computer, you can install one.
To do this, follow the procedure in Installing and replacing a PCI Express Mini Card for wireless LAN/WiMAX
connection or Installing and replacing the PCI Express Mini Card for wireless WAN.
Certicate of Authenticity label
The Certicate of Authenticity label for the preinstalled operating system is attached. Printed on this label are
the product ID and the product key information for your computer. Record this information and keep it in a
safe place. You might need these numbers, to start your computer or reinstall the operating system.
The Certicate of Authenticity label of your computer is shown as below:
Features
ThinkPad Edge E420 features
Processor
• To see the system properties of your computer, click Start, right-click Computer (in Windows
®
XP, My
Computer); then from the pull down menu select Properties.
Chapter 1. Product Overview 15