Lenovo 20AQ004JUS Laptop User Manual


 
The FCC ID and IC Certication number labels are afxed on the wireless WAN card 1 and wireless LAN
card 2 installed in the wireless communication card slots of the computer.
To remove the wireless LAN card for repair or replacement, see “Replacing the wireless LAN card” on
page 75.
To remove the wireless WAN card for repair or replacement, see “Replacing the wireless WAN card”
on page 78.
Note: Use only Lenovo-authorized wireless communication cards 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.
Certicate of Authenticity information
The Certicate 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 Certicate of
Authenticity label can be on the computer cover, under the external battery, or on the power adapter.
10 User Guide