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If you need to remove the wireless LAN card for repair or replacement, follow the procedure in “Replacing
a PCI Express Mini Card for wireless LAN connection” on page 77.
If you have purchased a wireless WAN enabled computer, the wireless WAN PCI Express Mini Card is
preinstalled at the factory. If you need to remove this card for repair or replacement, follow the procedure in
“Replacing a PCI Express Mini Card for wireless WAN connection” on page 80.
Note: Only Lenovo authorized wireless LAN or wireless WAN cards are allowed to be used in your computer.
If you install an unauthorized PCI Express Mini Card that is not approved for use in your computer, the
computer will not start, but will only display an error message and emit audible beeps.
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:
Note: The Certicate of Authenticity label only applies to computers preinstalled with the Windows 7
operating system.
Features
This topic lists the features of your computer.
Processor
• To view the processor information of your computer, do the following:
– For Windows 7: Click Start, right-click Computer. Then click Properties.
– For Windows 8: Move the cursor to the bottom right corner of the screen to bring up the charms.
Then click Settings ➙ PC info.
Memory
• Double data rate 3 synchronous dynamic random access memory modules (DDR3 SDRAM)
Storage device
• 2.5-inch (7 mm height or 9.5 mm height) hard disk drive
• mSATA solid-state drive (on some models)
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12 User Guide