By connecting the computer directly to the modem and bypassing the TP-Link router, you can ensure that the Internet is working If your TP-Link Router gets a WAN IP from the modem but no internet access.
Problem Description: Even though the router has been issued a valid IP address, there is no internet access after configuration.
Click on DHCP -> DHCP settings, then in the Primary DNS area, type 22.214.171.124 and click Save. Google's public DNS server, 126.96.36.199, is free and secure.
Step 1: To complete the setup, reboot the router.
Step 2: To finish the adjustments, go to System Tools -> Reboot and click the "Reboot" button.
Turn off your modem and TP-Link router and wait one minute.
Step 1: Remove the coaxial wire and unplug the modem's power cord.
Step 2: Make that the modem is connected to the Router's WAN port and that the Router is turned on.
Step 3: Reconnect the modem's power cord, but leave the coaxial line detached.
Step 4: Reconnect the coaxial cable after 3-5 minutes.
Step 5: Wait for the modem to reconnect before checking the IP address and service.
Step 1: To reset the router, press and hold the Reset button for more than 10 seconds.
Step 2: Manually reconfigure the router using Quick Setup.