If the IP address of the Internet is valid and still the user is facing the connection issue, a user must contact the Tp-link support team. The users are also advised to check the manual guide to look for the solutions and on the failure of it, you can contact the technical support team of tplinkwifi.net solutions. You can find the contact number of the support team on the official website of the Tp-link router and can also find the other medium of contacting them.