Certificate Of Authenticity Label; Genuine Microsoft Label - Lenovo ThinkPad S540 User Manual

To remove the wireless LAN card for repair or replacement, see "Replacing a wireless LAN card" on page 76.
To remove the wireless WAN card for repair or replacement, see "Replacing a wireless WAN card " on
page 78.
Note: Use only Lenovo-authorized wireless communication card for the computer. If you install an
unauthorized wireless communication card that is not approved for use in your computer, an error message
will be displayed and the computer will beep when you turn on the computer.

Certificate of Authenticity label

The Certificate of Authenticity label is provided on models that are licensed to use a Windows 7
operating system. The licensed Windows version and product key associated with the computer are printed
on this label. Record this information and keep it in a safe place. You might need these numbers to start
your computer or reinstall the Windows 7 operating system. Depending on the model, the Certificate of
Authenticity label can be on the computer cover, under the battery, or on the power adapter.
For more information about the Certificate of Authenticity label, go to:
http://www.microsoft.com/en-us/howtotell/Hardware.aspx
The following figure shows the location of the Certificate of Authenticity label of your computer:

Genuine Microsoft label

The Genuine Microsoft label is provided on models that are licensed to use a Windows 8 or Windows 8.1
operating system. The version of the operating system is printed on the label. If your computer model is
licensed to use the Windows 8 Pro or Windows 8.1 Pro operating system, that license also permits you to
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User Guide