TP-Link TL-WR940N Installation Manual page 17

your ISP or the Modem's manufacturer; otherwise, please reconnect the
physical connection between your Modem, Router and the computer, then
continue to follow the next step.
3) Make sure that you are connected to the TP-LINK Router with the computer
that was originally connected to your modem, then login to the web-based
management page and browse to "Network > MAC Clone", click "Clone
MAC Address" and then click "Save". Reboot the Router and try to access
the Internet from your computer, if the problem persists, please go to the next
step.
4) Please feel free to contact our Technical Support if the problem persists.
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